Best Tamper Resistant Nuts. Reviews September, 2020

Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 1/4"-20 - Qty 25

Search only RAW PRODUCTS CORP brand name
Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 1/4

Current price: 40.6 USD


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Height: 1 Inches

Length: 1 Inches

Width: 1 Inches

Weight: 1 Pounds

  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts

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Break Away Nuts Tamper Proof Security Shear Nuts Zamak 5 Zinc 3/8"-16 QTY 10

Search only ALBANYCOUNTYFASTENERS brand name
Break Away Nuts Tamper Proof Security Shear Nuts Zamak 5 Zinc 3/8

Current price: 22.44 USD


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  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • Installed using a standard wrench - Once maximum torque is reached, the hex portion snaps off the installed portion
  • Leaves only a coned nut behind making the nut very resistant to gripping devices
  • UNC Coarse Thread Sizes
  • Zamak 5 Zinc Alloy
  • Tamper Proof Nuts - Commonly Referred to as Break Away Nuts, Shear Nuts, Snap Off Nuts and Permacone

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Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 3/8"-16 - Qty 25

Search only RAW PRODUCTS CORP brand name
Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 3/8

Current price: 49.99 USD


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Height: 1 Inches

Length: 1 Inches

Width: 1 Inches

Weight: 1 Pounds

  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • Installed using a standard wrench - Once maximum torque is reached, the hex portion snaps off the installed portion
  • Leaves only a coned nut behind making the nut very resistant to gripping devices
  • UNC Coarse Thread Sizes
  • Zamak 5 Zinc Alloy
  • Tamper Proof Nuts - Commonly Referred to as Break Away Nuts, Shear Nuts, Snap Off Nuts and Permacone
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts

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Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 5/16"-18 - Qty 25

Search only RAW PRODUCTS CORP brand name
Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 5/16

Current price: 43.42 USD


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Height: 1 Inches

Length: 1 Inches

Width: 1 Inches

Weight: 1 Pounds

  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • Installed using a standard wrench - Once maximum torque is reached, the hex portion snaps off the installed portion
  • Leaves only a coned nut behind making the nut very resistant to gripping devices
  • UNC Coarse Thread Sizes
  • Zamak 5 Zinc Alloy
  • Tamper Proof Nuts - Commonly Referred to as Break Away Nuts, Shear Nuts, Snap Off Nuts and Permacone
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts

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1/4-20 x 1-1/2" Button Head Torx Security Machine Screw Bolt Screws Stainless Steel Tamper Resistant, Qty 10 Thread Size 1/4-20 x 1-1/2" Length by Fastenere

Search only Fastenere brand name
1/4-20 x 1-1/2

Current price: 13.95 USD


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  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • Installed using a standard wrench - Once maximum torque is reached, the hex portion snaps off the installed portion
  • Leaves only a coned nut behind making the nut very resistant to gripping devices
  • UNC Coarse Thread Sizes
  • Zamak 5 Zinc Alloy
  • Tamper Proof Nuts - Commonly Referred to as Break Away Nuts, Shear Nuts, Snap Off Nuts and Permacone
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • Thread Size 1/4-20
  • Length measured from under the head: 1-1/2"
  • Driver Size: T27 Bit Included
  • Uses a special security torx driver bit.
  • Tamper Proof Security Torx Machine Screws.

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binifiMux 20pcs M6 Button Head Torx Security Screws Assortment Kit w T30 Wrench, Stainless Steel, Tamper Proof Screws

Search only binifiMux brand name
binifiMux 20pcs M6 Button Head Torx Security Screws Assortment Kit w T30 Wrench, Stainless Steel, Tamper Proof Screws

Current price: 13.59 USD


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  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • Installed using a standard wrench - Once maximum torque is reached, the hex portion snaps off the installed portion
  • Leaves only a coned nut behind making the nut very resistant to gripping devices
  • UNC Coarse Thread Sizes
  • Zamak 5 Zinc Alloy
  • Tamper Proof Nuts - Commonly Referred to as Break Away Nuts, Shear Nuts, Snap Off Nuts and Permacone
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • Thread Size 1/4-20
  • Length measured from under the head: 1-1/2"
  • Driver Size: T27 Bit Included
  • Uses a special security torx driver bit.
  • Tamper Proof Security Torx Machine Screws.
  • - Product: Security Bolt; - Package: 20pcs security screws with T30 Wrench.
  • - Size:M6 x 30mm, M6 x 35mm, M6 x 40mm, M6 x 50mm; - Pitch: 1.0mm;
  • - Color: Silver; - Material: 304 Stainless Steel;
  • - Fit Torx Size: T30;

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Tri-Groove Tamper Proof Screw and Security Nut Driver Sockets #30 - Qty 1

Search only RAW PRODUCTS CORP brand name
Tri-Groove Tamper Proof Screw and Security Nut Driver Sockets #30 - Qty 1

Current price: 39.99 USD


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Height: 1 Inches

Length: 1 Inches

Width: 1 Inches

Weight: 1 Pounds

  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • Installed using a standard wrench - Once maximum torque is reached, the hex portion snaps off the installed portion
  • Leaves only a coned nut behind making the nut very resistant to gripping devices
  • UNC Coarse Thread Sizes
  • Zamak 5 Zinc Alloy
  • Tamper Proof Nuts - Commonly Referred to as Break Away Nuts, Shear Nuts, Snap Off Nuts and Permacone
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • Thread Size 1/4-20
  • Length measured from under the head: 1-1/2"
  • Driver Size: T27 Bit Included
  • Uses a special security torx driver bit.
  • Tamper Proof Security Torx Machine Screws.
  • - Product: Security Bolt; - Package: 20pcs security screws with T30 Wrench.
  • - Size:M6 x 30mm, M6 x 35mm, M6 x 40mm, M6 x 50mm; - Pitch: 1.0mm;
  • - Color: Silver; - Material: 304 Stainless Steel;
  • - Fit Torx Size: T30;
  • Fits tri-groove nut sizes 5/16, 3/8, M8
  • Tri Groove nuts can only be fastened with Tri Groove Driver sockets.
  • Security nuts are installed using a special Tri Groove socket, which grips the indentations along the outside of the fastener to turn the nut along a thread.
  • The TriGroove tamper resistant fastener drive style is also referred to as: Tri-Groove, T Groove, Trident Drive and Coned Trident Drive.
  • Tri Groove Driver Sockets are made of Alloy Steel.

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3/8-16 Breakaway Nut Zinc (6 pieces)

Search only Monster Fastener brand name
3/8-16 Breakaway Nut Zinc (6 pieces)

Current price: 25.37 USD


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  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • Installed using a standard wrench - Once maximum torque is reached, the hex portion snaps off the installed portion
  • Leaves only a coned nut behind making the nut very resistant to gripping devices
  • UNC Coarse Thread Sizes
  • Zamak 5 Zinc Alloy
  • Tamper Proof Nuts - Commonly Referred to as Break Away Nuts, Shear Nuts, Snap Off Nuts and Permacone
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • Thread Size 1/4-20
  • Length measured from under the head: 1-1/2"
  • Driver Size: T27 Bit Included
  • Uses a special security torx driver bit.
  • Tamper Proof Security Torx Machine Screws.
  • - Product: Security Bolt; - Package: 20pcs security screws with T30 Wrench.
  • - Size:M6 x 30mm, M6 x 35mm, M6 x 40mm, M6 x 50mm; - Pitch: 1.0mm;
  • - Color: Silver; - Material: 304 Stainless Steel;
  • - Fit Torx Size: T30;
  • Fits tri-groove nut sizes 5/16, 3/8, M8
  • Tri Groove nuts can only be fastened with Tri Groove Driver sockets.
  • Security nuts are installed using a special Tri Groove socket, which grips the indentations along the outside of the fastener to turn the nut along a thread.
  • The TriGroove tamper resistant fastener drive style is also referred to as: Tri-Groove, T Groove, Trident Drive and Coned Trident Drive.
  • Tri Groove Driver Sockets are made of Alloy Steel.
  • Box of 6
  • Thread Type: 16 (Coarse)
  • Driver Type: 3/4" Driver
  • Material: Cast Zinc
  • Diameter: 3/8"

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Sign Mounting Hardware One-Way Tamper Resistant Screw with Nut 5/16-18 X 2" for U Channel Post

Search only County Solutions brand name
Sign Mounting Hardware One-Way Tamper Resistant Screw with Nut 5/16-18 X 2

Current price: 7.99 USD


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Height: 0.3 Inches

Length: 2 Inches

Width: 0.3 Inches

Weight: 1.7 ounces

  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • Installed using a standard wrench - Once maximum torque is reached, the hex portion snaps off the installed portion
  • Leaves only a coned nut behind making the nut very resistant to gripping devices
  • UNC Coarse Thread Sizes
  • Zamak 5 Zinc Alloy
  • Tamper Proof Nuts - Commonly Referred to as Break Away Nuts, Shear Nuts, Snap Off Nuts and Permacone
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • Thread Size 1/4-20
  • Length measured from under the head: 1-1/2"
  • Driver Size: T27 Bit Included
  • Uses a special security torx driver bit.
  • Tamper Proof Security Torx Machine Screws.
  • - Product: Security Bolt; - Package: 20pcs security screws with T30 Wrench.
  • - Size:M6 x 30mm, M6 x 35mm, M6 x 40mm, M6 x 50mm; - Pitch: 1.0mm;
  • - Color: Silver; - Material: 304 Stainless Steel;
  • - Fit Torx Size: T30;
  • Fits tri-groove nut sizes 5/16, 3/8, M8
  • Tri Groove nuts can only be fastened with Tri Groove Driver sockets.
  • Security nuts are installed using a special Tri Groove socket, which grips the indentations along the outside of the fastener to turn the nut along a thread.
  • The TriGroove tamper resistant fastener drive style is also referred to as: Tri-Groove, T Groove, Trident Drive and Coned Trident Drive.
  • Tri Groove Driver Sockets are made of Alloy Steel.
  • Box of 6
  • Thread Type: 16 (Coarse)
  • Driver Type: 3/4" Driver
  • Material: Cast Zinc
  • Diameter: 3/8"
  • INCLUDES: 2 Tamper Resistant One-Way Bolts and 2 Standard Nuts
  • The Ultimate Sign Mounting Hardware
  • Tamper Resistant One Way Truss Head Makes It difficult But Not Impossible To Remove
  • Steel Zinc-plated Bolt and Nut
  • 5/16-18 Screw W/Zinc Plated Thread

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SmartSign - K-KIT-BG BoltGuard Anti-Theft Post Attachment Kit – 2 Bolts, 3 Tamperproof Nuts | 2.5" x 0.3125" Bolt

Search only SmartSign brand name
SmartSign - K-KIT-BG BoltGuard Anti-Theft Post Attachment Kit – 2 Bolts, 3 Tamperproof Nuts | 2.5

Current price: 6.45 USD


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Weight: 0.02 Pounds

  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • Installed using a standard wrench - Once maximum torque is reached, the hex portion snaps off the installed portion
  • Leaves only a coned nut behind making the nut very resistant to gripping devices
  • UNC Coarse Thread Sizes
  • Zamak 5 Zinc Alloy
  • Tamper Proof Nuts - Commonly Referred to as Break Away Nuts, Shear Nuts, Snap Off Nuts and Permacone
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
  • High quality tamper proof security nuts
  • Thread Size 1/4-20
  • Length measured from under the head: 1-1/2"
  • Driver Size: T27 Bit Included
  • Uses a special security torx driver bit.
  • Tamper Proof Security Torx Machine Screws.
  • - Product: Security Bolt; - Package: 20pcs security screws with T30 Wrench.
  • - Size:M6 x 30mm, M6 x 35mm, M6 x 40mm, M6 x 50mm; - Pitch: 1.0mm;
  • - Color: Silver; - Material: 304 Stainless Steel;
  • - Fit Torx Size: T30;
  • Fits tri-groove nut sizes 5/16, 3/8, M8
  • Tri Groove nuts can only be fastened with Tri Groove Driver sockets.
  • Security nuts are installed using a special Tri Groove socket, which grips the indentations along the outside of the fastener to turn the nut along a thread.
  • The TriGroove tamper resistant fastener drive style is also referred to as: Tri-Groove, T Groove, Trident Drive and Coned Trident Drive.
  • Tri Groove Driver Sockets are made of Alloy Steel.
  • Box of 6
  • Thread Type: 16 (Coarse)
  • Driver Type: 3/4" Driver
  • Material: Cast Zinc
  • Diameter: 3/8"
  • INCLUDES: 2 Tamper Resistant One-Way Bolts and 2 Standard Nuts
  • The Ultimate Sign Mounting Hardware
  • Tamper Resistant One Way Truss Head Makes It difficult But Not Impossible To Remove
  • Steel Zinc-plated Bolt and Nut
  • 5/16-18 Screw W/Zinc Plated Thread
  • When finished, remove second, top nut using a wrench leaving the first, bottom nut on the backside of the post. Save installation nut for next install or when you want to remove the sign.
  • Insert a wrench in between the two nuts and tighten until secure.
  • Tighten the second nut, upside-down, on top of the first nut. The second nut locks with the first nut.
  • To install: Tighten first nut by hand onto the back of the sign post.
  • Tamperproof nut's beveled edge and one-way security bolt prevents removal with ordinary tools. Sign can only be disengaged from the backside using the installation nut.
  • Tamperproof nuts can be installed using a 7/8" wrench or an 8" adjustable wrench/pliers.
  • Sign mounting hardware, made from hardened steel, is compatible with signs that feature 3/8" holes and can be used with 1.12 lb U-channel posts, 2 lb U-channel posts or square posts.
  • Anti-theft hardware saves you time and money! Eliminate the need of replacing stolen signs with this low-cost investment.

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