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	$4.73 $0.048 ea
BL119-1192	1/4-20 x 1" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$5.33 $0.054 ea	2,200 pcs	$92.28 $0.042 ea
BL184-4462	1/4-20 x 1 1/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$6.47 $0.065 ea	1,900 pcs	$92.48 $0.049 ea
BL184-7462	1/4-20 x 1 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$6.91 $0.070 ea	1,750 pcs	$100.69 $0.058 ea
BL184-0462	1/4-20 x 1 3/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$8.09 $0.081 ea	1,500 pcs	$96.54 $0.065 ea
BL184-3462	1/4-20 x 2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$8.68 $0.087 ea	1,300 pcs	$89.71 $0.070 ea
BL119-2192	1/4-20 x 2 1/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$5.10 $0.102 ea	1,200 pcs	$101.30 $0.085 ea
BL184-6472	1/4-20 x 2 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$5.57 $0.112 ea	1,100 pcs	$92.83 $0.085 ea
BL119-3192	1/4-20 x 2 3/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$6.16 $0.124 ea	1,000 pcs	$98.24 $0.099 ea
BL184-9472	1/4-20 x 3" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$6.01 $0.121 ea	1,000 pcs	$93.30 $0.094 ea
BL132-5423	1/4-20 x 3 1/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$7.56 $0.152 ea	900 pcs	$90.44 $0.101 ea
BL184-2472	1/4-20 x 3 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$7.37 $0.148 ea	900 pcs	$95.88 $0.107 ea
BL184-5482	1/4-20 x 4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$7.29 $0.146 ea	750 pcs	$97.95 $0.131 ea
BL119-4102	1/4-20 x 4 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$10.71 $0.215 ea	650 pcs	$85.70 $0.132 ea
BL119-5102	1/4-20 x 5" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$9.90 $0.198 ea	600 pcs	$90.34 $0.151 ea
BL112-3063	1/4-20 x 5 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$28.20 $0.282 ea
BL184-8482	1/4-20 x 6" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$14.61 $0.293 ea
BL111-9392	5/16-18 x 1" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$8.35 $0.084 ea	1,400 pcs	$111.17 $0.080 ea
BL184-1482	5/16-18 x 1 1/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$9.52 $0.096 ea	1,200 pcs	$101.65 $0.085 ea
BL184-4492	5/16-18 x 1 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$9.67 $0.097 ea	1,000 pcs	$91.69 $0.092 ea
BL184-7492	5/16-18 x 1 3/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$12.22 $0.123 ea	900 pcs	$92.21 $0.103 ea
BL184-0492	5/16-18 x 2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	100 pcs	$13.78 $0.138 ea	800 pcs	$87.40 $0.110 ea
BL119-6102	5/16-18 x 2 1/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$8.20 $0.164 ea	750 pcs	$95.55 $0.128 ea
BL184-3492	5/16-18 x 2 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$8.35 $0.167 ea	700 pcs	$92.37 $0.132 ea
BL119-7102	5/16-18 x 2 3/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated	50 pcs	$9.78 $0.196 ea	650 pcs	$101.55 $0.157 ea

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