Square Head Bolt

Material:: Steel
Drive:: Square

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How to measure: Square head bolt — Length is measured from under the head. The wrench size is across the flats of the square.

32 part numbers match your filters

Description	Size	Thread	Length	Grade	Thread Series	Sold by	In stock	Part number	Price
5/16" Diameter
Square Head Bolt Steel	5/16-18 X 1/2	18 TPI	1/2"		USS/Coarse	Each	Out of stock	BSQ-51612	Price on request
Square Head Bolt Steel	5/16-18 X 5/8	18 TPI	5/8"		USS/Coarse	Each	Out of stock	BSQ-51658	Price on request
Square Head Bolt Steel	5/16-18 X 3/4	18 TPI	3/4"		USS/Coarse	Each	Out of stock	BSQ-51634	$0.22 / each
Square Head Bolt Steel	5/16-18 X 7/8	18 TPI	7/8"		USS/Coarse	Each	Out of stock	BSQ-51678	Price on request
Square Head Bolt Steel	5/16-18 X 1	18 TPI	1"		USS/Coarse	Each	Out of stock	BSQ-5161	Price on request
Square Head Bolt Steel	5/16-18 X 1-1/4	18 TPI	1-1/4"		USS/Coarse	Each	Out of stock	BSQ-516114	$0.27 / each
Square Head Bolt Steel	5/16-18 X 1-1/2	18 TPI	1-1/2"		USS/Coarse	Each	Out of stock	BSQ-516112	$0.30 / each
Square Head Bolt Steel	5/16-18 X 1-3/4	18 TPI	1-3/4"		USS/Coarse	Each	Out of stock	BSQ-516134	Price on request
Square Head Bolt Steel	5/16-18 X 2	18 TPI	2"		USS/Coarse	Each	Out of stock	BSQ-5162	$0.37 / each
Square Head Bolt Steel	5/16-18 X 2-1/4	18 TPI	2-1/4"		USS/Coarse	Each	Out of stock	BSQ-516214	Price on request
Square Head Bolt Steel	5/16-18 X 2-1/2	18 TPI	2-1/2"		USS/Coarse	Each	Out of stock	BSQ-516212	$0.42 / each
Square Head Bolt Steel	5/16-18 X 2-3/4	18 TPI	2-3/4"		USS/Coarse	Each	Out of stock	BSQ-516234	Price on request
Square Head Bolt Steel	5/16-18 X 3	18 TPI	3"		USS/Coarse	Each	Out of stock	BSQ-5163	$0.50 / each
Square Head Bolt Steel	5/16-18 X 3-1/4	18 TPI	3-1/4"		USS/Coarse	Each	Out of stock	BSQ-516314	Price on request
Square Head Bolt Steel	5/16-18 X 3-1/2	18 TPI	3-1/2"		USS/Coarse	Each	Out of stock	BSQ-516312	$0.67 / each
Square Head Bolt Steel	5/16-18 X 3-3/4	18 TPI	3-3/4"		USS/Coarse	Each	Out of stock	BSQ-516334	Price on request
Square Head Bolt Steel	5/16-18 X 4	18 TPI	4"		USS/Coarse	Each	Out of stock	BSQ-5164	$0.74 / each
Square Head Bolt Steel	5/16-18 X 4-1/4	18 TPI	4-1/4"		USS/Coarse	Each	Out of stock	BSQ-516414	Price on request
Square Head Bolt Steel	5/16-18 X 4-1/2	18 TPI	4-1/2"		USS/Coarse	Each	Out of stock	BSQ-516412	$0.92 / each
Square Head Bolt Steel	5/16-18 X 4-3/4	18 TPI	4-3/4"		USS/Coarse	Each	Out of stock	BSQ-516434	Price on request
Square Head Bolt Steel	5/16-18 X 5	18 TPI	5"		USS/Coarse	Each	Out of stock	BSQ-5165	$0.99 / each
Square Head Bolt Steel	5/16-18 X 5-1/4	18 TPI	5-1/4"		USS/Coarse	Each	Out of stock	BSQ-516514	Price on request
Square Head Bolt Steel	5/16-18 X 5-1/2	18 TPI	5-1/2"		USS/Coarse	Each	Out of stock	BSQ-516512	$1.05 / each
Square Head Bolt Steel	5/16-18 X 5-3/4	18 TPI	5-3/4"		USS/Coarse	Each	Out of stock	BSQ-516534	Price on request
Square Head Bolt Steel	5/16-18 X 6	18 TPI	6"		USS/Coarse	Each	Out of stock	BSQ-5166	$1.12 / each
5/8" Diameter
Square Head Bolt Steel	5/8-18 X 3	18 TPI	3"		SAE/Fine	Each	Out of stock	BSQ-F583	$23.71 / each
1-1/4" Diameter
Square Head Bolt Steel	1-1/4-7 X 4-1/2	7 TPI	4-1/2"		USS/Coarse	Each	Out of stock	BSQ-114412	Price on request
Square Head Bolt Steel	1-1/4-7 X 5	7 TPI	5"		USS/Coarse	Each	Out of stock	BSQ-1145	Price on request
Square Head Bolt Steel	1-1/4-7 X 6	7 TPI	6"		USS/Coarse	Each	Out of stock	BSQ-1146	Price on request
Square Head Bolt Gr 5	1-1/4-7 X 7	7 TPI	7"	Grade 5	USS/Coarse	Each	Out of stock	BSQ5-1147	$36.05 / each
Square Head Bolt Gr 5	1-1/4-7 X 14	7 TPI	14"	Grade 5	USS/Coarse	Each	Out of stock	BSQ5-11414	$42.73 / each
Square Head Bolt Gr 8	1-1/4-7 X 14	7 TPI	14"	Grade 8	USS/Coarse	Each	Out of stock	BSQ8-11414	$65.38 / each