Square Head Bolt

Drive:: Square
Thread Series:: USS/Coarse

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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.

16 part numbers match your filters

Description	Size	Thread	Length	Material	Sold by	In stock	Part number	Price
1/4" Diameter
Square Head Bolt Steel	1/4-20 X 2	20 TPI	2"	Steel	Each	Out of stock	BSQ-142	$0.26 / each
Square Head Bolt Steel	1/4-20 X 2-1/2	20 TPI	2-1/2"	Steel	Each	Out of stock	BSQ-14212	$0.32 / each
5/16" Diameter
Square Head Bolt Steel	5/16-18 X 2	18 TPI	2"	Steel	Each	Out of stock	BSQ-5162	$0.37 / each
Square Head Bolt Steel	5/16-18 X 2-1/2	18 TPI	2-1/2"	Steel	Each	Out of stock	BSQ-516212	$0.42 / each
3/8" Diameter
Square Head Bolt Steel	3/8-16 X 2	16 TPI	2"	Steel	Each	Out of stock	BSQ-382	$0.49 / each
Square Head Bolt Steel	3/8-16 X 2-1/2	16 TPI	2-1/2"	Steel	Each	Out of stock	BSQ-38212	$0.58 / each
1/2" Diameter
Square Head Bolt Steel	1/2-13 X 2	13 TPI	2"	Steel	Each	Out of stock	BSQ-122	$0.79 / each
Square Head Bolt Brass	1/2-13 X 2-1/2	13 TPI	2-1/2"	Brass	Each	Out of stock	BSQB-12212	$44.27 / each
Square Head Bolt Steel	1/2-13 X 2-1/2	13 TPI	2-1/2"	Steel	Each	Out of stock	BSQ-12212	$0.93 / each
5/8" Diameter
Square Head Bolt Steel	5/8-11 X 2	11 TPI	2"	Steel	Each	Out of stock	BSQ-582	Price on request
Square Head Bolt Steel	5/8-11 X 2-1/2	11 TPI	2-1/2"	Steel	Each	Out of stock	BSQ-58212	$1.55 / each
3/4" Diameter
Square Head Bolt Steel	3/4-10 X 2	10 TPI	2"	Steel	Each	Out of stock	BSQ-342	$2.09 / each
Square Head Bolt Steel	3/4-10 X 2-1/2	10 TPI	2-1/2"	Steel	Each	Out of stock	BSQ-34212	$2.40 / each
7/8" Diameter
Square Head Bolt Steel	7/8-9 X 2	9 TPI	2"	Steel	Each	Out of stock	BSQ-782	$3.28 / each
Square Head Bolt Steel	7/8-9 X 2-1/2	9 TPI	2-1/2"	Steel	Each	Out of stock	BSQ-78212	$3.44 / each
1" Diameter
Square Head Bolt Steel	1-8 X 2-1/2	8 TPI	2-1/2"	Steel	Each	Out of stock	BSQ-1212	$4.96 / each