(image for) 1/4-20 GRADE 8 BOLTS ARE PLATED YELLOW ZINC (GOLD),7/16 WRENCHING,BOLTS UP TO 1" FULL THREAD, 7/8 PARTIAL THREAD ON ALL LONGER SIZES. DOMESTIC MADE (USA).NOTE BOLTS OVER 6" ARE PLAIN!UNLESS NOTED. - Click Image to Close