Square Head Bolts, ASTM A307, Coarse Thread, Plain Finish – 1/2 - 5/8 - 3/4"

Also known as:

Hex Bolts, Square Head Bolts

Square Machine Bolts are easily gripped by a hand wrench due to the large bearing area design. Hex Machine Bolts tend to be larger than hex bolts—up to 1-1/2" in diameter or more, and up to 20" in length. Hot Dip Galvanized Hex Nuts, which are tapped oversize, must be used with Hot Dip Galvanized Machine Bolts. The length of machine bolts is measured from under the head to the tip.

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Code	Product	Qty.	Package	Qty.	Carton
BL103-6962	1/2-13 x 1" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	50 pcs	$20.56 $0.412 ea	450 pcs	$131.91 $0.294 ea
BL103-8962	1/2-13 x 1 1/4" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	50 pcs	$31.11 $0.623 ea	400 pcs	$137.91 $0.345 ea
BL103-0962	1/2-13 x 1 1/2" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	50 pcs	$21.71 $0.435 ea	350 pcs	$126.84 $0.363 ea
BL103-2962	1/2-13 x 1 3/4" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	50 pcs	$27.38 $0.548 ea	300 pcs	$116.81 $0.390 ea
BL103-4972	1/2-13 x 2" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	50 pcs	$30.27 $0.606 ea	300 pcs	$129.45 $0.432 ea
BL103-6972	1/2-13 x 2 1/4" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$24.66 $0.987 ea Quantity
BL103-8972	1/2-13 x 2 1/2" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$13.79 $0.552 ea Quantity
BL103-0972	1/2-13 x 2 3/4" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$16.69 $0.668 ea Quantity
BL103-2972	1/2-13 x 3" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$23.96 $0.959 ea	200 pcs	$133.24 $0.667 ea
BL103-6982	1/2-13 x 3 1/2" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$22.89 $0.916 ea	200 pcs	$138.63 $0.694 ea
BL103-8982	1/2-13 x 4" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$21.96 $0.879 ea	175 pcs	$146.63 $0.838 ea
BL103-0982	1/2-13 x 4 1/2" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$30.12 $1.205 ea Quantity
BL103-2982	1/2-13 x 5" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$26.27 $1.051 ea	150 pcs	$146.16 $0.975 ea
BL103-5992	1/2-13 x 5 1/2" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$30.74 $1.230 ea Quantity
BL103-7992	1/2-13 x 6" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$34.91 $1.397 ea Quantity
BL103-9992	1/2-13 x 6 1/2" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$40.84 $1.634 ea Quantity
BL103-1992	1/2-13 x 7" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$53.69 $2.148 ea Quantity
BL103-5902	1/2-13 x 8" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$44.61 $1.785 ea Quantity
BL103-1922	5/8-11 x 1 1/4" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$24.31 $0.973 ea Quantity
BL103-3922	5/8-11 x 1 1/2" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$20.71 $0.829 ea	200 pcs	$126.18 $0.631 ea
BL113-5932	5/8-11 x 1 3/4" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$23.64 $0.946 ea	200 pcs	$147.15 $0.736 ea
BL113-7932	5/8-11 x 2" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$24.64 $0.986 ea	200 pcs	$147.70 $0.739 ea
BL113-9932	5/8-11 x 2 1/4" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$24.73 $0.990 ea	150 pcs	$118.76 $0.792 ea
BL113-1932	5/8-11 x 2 1/2" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$28.87 $1.155 ea	150 pcs	$133.06 $0.888 ea
BL113-3932	5/8-11 x 2 3/4" Square Head Bolt, A307 Grade A, Plain Finish (no rust protection)	25 pcs	$31.26 $1.251 ea	130 pcs	$125.31 $0.964 ea

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