Hex Machine Bolts Fully Threaded, ASTM A307, Coarse Thread, Zinc Plated – 1/4 - 5/16 - 3/8 - 7/16"

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
BL172-9373	1/4-20 x 3/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$5.92 $0.060 ea Quantity
BL119-1192	1/4-20 x 1" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$6.66 $0.067 ea	2,200 pcs	$110.73 $0.051 ea
BL184-4462	1/4-20 x 1 1/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$8.08 $0.081 ea	1,900 pcs	$110.97 $0.059 ea
BL184-7462	1/4-20 x 1 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$8.64 $0.087 ea	1,750 pcs	$120.83 $0.070 ea
BL184-0462	1/4-20 x 1 3/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$10.11 $0.102 ea	1,500 pcs	$115.85 $0.078 ea
BL184-3462	1/4-20 x 2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$10.85 $0.109 ea	1,300 pcs	$107.65 $0.083 ea
BL119-2192	1/4-20 x 2 1/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$6.37 $0.128 ea	1,200 pcs	$121.56 $0.102 ea
BL184-6472	1/4-20 x 2 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$6.96 $0.140 ea	1,100 pcs	$111.39 $0.102 ea
BL119-3192	1/4-20 x 2 3/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$7.70 $0.154 ea	1,000 pcs	$117.89 $0.118 ea
BL184-9472	1/4-20 x 3" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$7.51 $0.151 ea	1,000 pcs	$111.96 $0.112 ea
BL132-5423	1/4-20 x 3 1/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$9.45 $0.189 ea	900 pcs	$108.53 $0.121 ea
BL184-2472	1/4-20 x 3 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$9.21 $0.185 ea	900 pcs	$115.06 $0.128 ea
BL184-5482	1/4-20 x 4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$9.12 $0.183 ea	750 pcs	$117.53 $0.157 ea
BL119-4102	1/4-20 x 4 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$13.39 $0.268 ea	650 pcs	$102.84 $0.159 ea
BL119-5102	1/4-20 x 5" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$12.38 $0.248 ea	600 pcs	$108.40 $0.181 ea
BL112-3063	1/4-20 x 5 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$35.24 $0.353 ea Quantity
BL184-8482	1/4-20 x 6" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$18.26 $0.366 ea Quantity
BL111-9392	5/16-18 x 1" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$10.43 $0.105 ea	1,400 pcs	$133.41 $0.096 ea
BL184-1482	5/16-18 x 1 1/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$11.90 $0.119 ea	1,200 pcs	$121.98 $0.102 ea
BL184-4492	5/16-18 x 1 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$12.08 $0.121 ea	1,000 pcs	$110.02 $0.111 ea
BL184-7492	5/16-18 x 1 3/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$15.27 $0.153 ea	900 pcs	$110.66 $0.123 ea
BL184-0492	5/16-18 x 2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$17.23 $0.173 ea	800 pcs	$104.88 $0.132 ea
BL119-6102	5/16-18 x 2 1/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$10.25 $0.205 ea	750 pcs	$114.66 $0.153 ea
BL184-3492	5/16-18 x 2 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$10.43 $0.209 ea	700 pcs	$110.84 $0.159 ea
BL119-7102	5/16-18 x 2 3/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$12.22 $0.245 ea	650 pcs	$121.86 $0.188 ea

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