Theseare best used in tight or dark spaces where a machinist or fabricator must tighten the bolt blind. Square Head Bolts have square-shaped external wrenching heads, which offer a large bearing area for positive gripping.
Screws & Bolts,Square Head Bolts
1 Piece 1/2in-13x5-1/2in Square Head Bolts Grade A307 Zinc Clear
Specifications of 1 Piece 1/2in-13x5-1/2in Square Head Bolts Grade A307 Zinc Clear | |
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Instock | instock |