UNC GRADE 8 HOCHFESTE STAHL INNENSECHSKANT-SENKSCHRAUBEN 3/8 ZOLL 1/2 ZOLL 5/8 3/4 ZOLL

Countersunk head. Thread - UNC (Imperial coarse). Grade 8 High tensile. Allen key drive. Zinc plated steel. 3/8 X 2 1/2". The following sizes are part threaded. all other sizes are fully threaded.

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