Coburn-Myers Fastening Systems, Inc.
Coburn-Myers Fastening Systems, Inc.
3211 West 9th Street, Trainer, PA 19061-5242
Toll Free: (800) 662-7459
E-Mail: sales@coburnmyers.com
Web site: www.coburnmyers.com
Print Back
Square bolts (also known as square head bolts or square head machine bolts) offer less danger of wrench slippage in hand wrenching, as well as a greater bearing area. In addition, the square head style is more secure than a hex bolt style when fixed into a cored recess.
A307 GRADE A SQUARE HEAD BOLT, HDG (INCH)
Unit of Measure
1 2 3 4 5 

Item #

Item Name

Package Quantity

Web Price

25C75BSQ2G N/A 1/4-20 X 3/4 SQUARE BOLT A307 GRADE A GALVANIZED N/A 4000 $427.35
25C100BSQ2G N/A 1/4-20 X 1 SQUARE BOLT A307 GRADE A GALVANIZED N/A 3600 $424.67
25C125BSQ2G N/A 1/4-20 X 1 1/4 SQUARE BOLT A307 GRADE A GALVANIZED N/A 2800 $409.55
25C150BSQ2G N/A 1/4-20 X 1 1/2 SQUARE BOLT A307 GRADE A GALVANIZED N/A 2400 $404.15
25C200BSQ2G N/A 1/4-20 X 2 SQUARE BOLT A307 GRADE A GALVANIZED N/A 1600 $348.02
25C250BSQ2G N/A 1/4-20 X 2 1/2 SQUARE BOLT A307 GRADE A GALVANIZED N/A 1300 $345.82
25C300BSQ2G N/A 1/4-20 X 3 SQUARE BOLT A307 GRADE A GALVANIZED N/A 900 $284.45
25C350BSQ2G N/A 1/4-20 X 3 1/2 SQUARE BOLT A307 GRADE A GALVANIZED N/A 750 $272.42
25C400BSQ2G N/A 1/4-20 X 4 SQUARE BOLT A307 GRADE A GALVANIZED N/A 700 $284.45
31C75BSQ2G N/A 5/16-18 X 3/4 SQUARE BOLT A307 GRADE A GALVANIZED N/A 2600 $479.12
31C100BSQ2G N/A 5/16-18 X 1 SQUARE BOLT A307 GRADE A GALVANIZED N/A 2200 $497.81
31C125BSQ2G N/A 5/16-18 X 1 1/4 SQUARE BOLT A307 GRADE A GALVANIZED N/A 1800 $496.07
31C150BSQ2G N/A 5/16-18 X 1 1/2 SQUARE BOLT A307 GRADE A GALVANIZED N/A 1600 $461.87
31C175BSQ2G N/A 5/16-18 X 1 3/4 SQUARE BOLT A307 GRADE A GALVANIZED N/A 1300 $428.64
31C200BSQ2G N/A 5/16-18 X 2 SQUARE BOLT A307 GRADE A GALVANIZED N/A 1200 $431.71
31C250BSQ2G N/A 5/16-18 X 2 1/2 SQUARE BOLT A307 GRADE A GALVANIZED N/A 900 $393.25
31C300BSQ2G N/A 5/16-18 X 3 SQUARE BOLT A307 GRADE A GALVANIZED N/A 700 $357.26
31C350BSQ2G N/A 5/16-18 X 3 1/2 SQUARE BOLT A307 GRADE A GALVANIZED N/A 600 $353.40
31C400BSQ2G N/A 5/16-18 X 4 SQUARE BOLT A307 GRADE A GALVANIZED N/A 450 $298.04
31C500BSQ2G N/A 5/16-18 X 5 SQUARE BOLT A307 GRADE A GALVANIZED N/A 300 $246.46
31C600BSQ2G N/A 5/16-18 X 6 SQUARE BOLT A307 GRADE A GALVANIZED N/A 300 $291.06
37C75BSQ2G N/A 3/8-16 X 3/4 SQUARE BOLT A307 GRADE A GALVANIZED N/A 1800 $498.20
37C100BSQ2G N/A 3/8-16 X 1 SQUARE BOLT A307 GRADE A GALVANIZED N/A 1500 $508.94
37C125BSQ2G N/A 3/8-16 X 1 1/4 SQUARE BOLT A307 GRADE A GALVANIZED N/A 1300 $502.90
37C150BSQ2G N/A 3/8-16 X 1 1/2 SQUARE BOLT A307 GRADE A GALVANIZED N/A 1000 $428.93
Unit of Measure
1 2 3 4 5