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T-Groove® Tamper Proof Bolts

T-Groove® Security Bolts AKA Tri-Groove, Triple Groove, Tampruf are an excellent alternative to the more common style Tamper Resistant Bolts. Available in Zinc Plated material. T-Groove tamper proof  are designed specifically to give a positive and faster method of installation with less fastener distortion and less breakage.

Supplying up to 3/8-16 x 4 – minimum quantities may apply. Non Standards-No Problem

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Tampruf Groove machine Screws Part Numbers

T Groove socket sizes wwwLPFASTcomT Groove Nut and Screw size chart


T-Grove Tampruf Tri Groove nuts bolts screws

T-Groove machine screws, round head – machine thread, counter-sunk head, t-groove nuts, t-groove screws, hand driver or socket tool, button head or flat head.

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