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> 20- 1/4"-20 x 1" socket head screws steel black bolt
20- 1/4"-20 x 1" socket head screws steel black bolt
This listing is for TWENTY (20) ALLOY STEEL HEAT TREATED, COLOR: BLACK, COARSE THREAD SOCKET HEAD CAP SCREWS. THE SIZE IS 1/4"-20 X 1". CONDITION IS NEW. SO THIS IS DIAMETER OF THE SHAFT 1/4", COARSE THREAD, 20 THREADS PER INCH, X 1" LENGTH-MEASURE YOUR SOCKET HEAD UNDER THE HEAD TO GET THE LENGTH. THESE TAKE A 3/16" ALLEN WRENCH TO TIGHTEN OR LOOSEN THEM.