Prime-Line 9062583 Carriage Bolts, 1/4 In.-20 X 4-1/2 In., A307 Grade A Zinc Plated Steel (50 Pack)
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Product Details
Size: 1/4 inch-20 X 4-1/2 inch Features a smooth rounded head as opposed to a standard hex head Square shoulder allows for nut to be tightened or loosened Often used in cases where a protruding bolt head could cause injury Nuts and washers not included, ensure washers and nuts are same diameter Thread Type: Coarse, Thread Class: UNC-2A, Point Style: Blunt Specification(s) Met: ASME B18.5 and ASTM A307A