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
20 Pieces 1/2in-13x1-3/4in Square Head Bolts Grade A307 Hot Dip Galvanized, 20PK
Specifications of 20 Pieces 1/2in-13x1-3/4in Square Head Bolts Grade A307 Hot Dip Galvanized, 20PK | |
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Instock | instock |