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.
Item # |
Item Name |
Diameter |
Pitch |
Length |
Material |
Finish |
Package Quantity |
Web Price |
Add To Cart/Request Quote |
|---|---|---|---|---|---|---|---|---|---|
| 25C75BSQ2 | N/A 1/4-20 X 3/4 SQUARE HEAD BOLT A307 GRADE A | N/A 1/4 | N/A Coarse | N/A 3/4 | N/A A307 Grade A | N/A Plain | N/A 3000 | $103.88 |
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| 25C100BSQ2 | N/A 1/4-20 X 1 SQUARE HEAD BOLT A307 GRADE A | N/A 1/4 | N/A Coarse | N/A 1 | N/A A307 Grade A | N/A Plain | N/A 2500 | $101.75 |
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| 25C125BSQ2 | N/A 1/4-20 X 1 1/4 SQUARE HEAD BOLT A307 GRADE A | N/A 1/4 | N/A Coarse | N/A 1 1/4 | N/A A307 Grade A | N/A Plain | N/A 2000 | $96.80 |
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| 25C150BSQ2 | N/A 1/4-20 X 1 1/2 SQUARE HEAD BOLT A307 GRADE A | N/A 1/4 | N/A Coarse | N/A 1 1/2 | N/A A307 Grade A | N/A Plain | N/A 1500 | $84.19 |
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| 25C200BSQ2 | N/A 1/4-20 X 2 SQUARE HEAD BOLT A307 GRADE A | N/A 1/4 | N/A Coarse | N/A 2 | N/A A307 Grade A | N/A Plain | N/A 1200 | $85.71 |
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| 25C250BSQ2 | N/A 1/4-20 X 2 1/2 SQUARE HEAD BOLT A307 GRADE A | N/A 1/4 | N/A Coarse | N/A 2 1/2 | N/A A307 Grade A | N/A Plain | N/A 1000 | $86.65 |
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| 25C300BSQ2 | N/A 1/4-20 X 3 SQUARE HEAD BOLT A307 GRADE A | N/A 1/4 | N/A Coarse | N/A 3 | N/A A307 Grade A | N/A Plain | N/A 900 | $91.49 |
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| 25C350BSQ2 | N/A 1/4-20 X 3 1/2 SQUARE HEAD BOLT A307 GRADE A | N/A 1/4 | N/A Coarse | N/A 3 1/2 | N/A A307 Grade A | N/A Plain | N/A 750 | $87.90 |
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| 25C400BSQ2 | N/A 1/4-20 X 4 SQUARE HEAD BOLT A307 GRADE A | N/A 1/4 | N/A Coarse | N/A 4 | N/A A307 Grade A | N/A Plain | N/A 700 | $92.63 |
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| 31C75BSQ2 | N/A 5/16-18 X 3/4 SQUARE HEAD BOLT A307 GRADE A | N/A 5/16 | N/A Coarse | N/A 3/4 | N/A A307 Grade A | N/A Plain | N/A 2000 | $130.60 |
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| 31C100BSQ2 | N/A 5/16-18 X 1 SQUARE HEAD BOLT A307 GRADE A | N/A 5/16 | N/A Coarse | N/A 1 | N/A A307 Grade A | N/A Plain | N/A 1500 | $110.81 |
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| 31C125BSQ2 | N/A 5/16-18 X 1 1/4 SQUARE HEAD BOLT A307 GRADE A | N/A 5/16 | N/A Coarse | N/A 1 1/4 | N/A A307 Grade A | N/A Plain | N/A 1200 | $103.38 |
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| 31C150BSQ2 | N/A 5/16-18 X 1 1/2 SQUARE HEAD BOLT A307 GRADE A | N/A 5/16 | N/A Coarse | N/A 1 1/2 | N/A A307 Grade A | N/A Plain | N/A 1200 | $118.62 |
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| 31C200BSQ2 | N/A 5/16-18 X 2 SQUARE HEAD BOLT A307 GRADE A | N/A 5/16 | N/A Coarse | N/A 2 | N/A A307 Grade A | N/A Plain | N/A 800 | $98.80 |
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| 31C250BSQ2 | N/A 5/16-18 X 2 1/2 SQUARE HEAD BOLT A307 GRADE A | N/A 5/16 | N/A Coarse | N/A 2 1/2 | N/A A307 Grade A | N/A Plain | N/A 700 | $104.04 |
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| 31C300BSQ2 | N/A 5/16-18 X 3 SQUARE HEAD BOLT A307 GRADE A | N/A 5/16 | N/A Coarse | N/A 3 | N/A A307 Grade A | N/A Plain | N/A 600 | $103.89 |
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| 31C350BSQ2 | N/A 5/16-18 X 3 1/2 SQUARE HEAD BOLT A307 GRADE A | N/A 5/16 | N/A Coarse | N/A 3 1/2 | N/A A307 Grade A | N/A Plain | N/A 500 | $99.08 |
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| 31C400BSQ2 | N/A 5/16-18 X 4 SQUARE HEAD BOLT A307 GRADE A | N/A 5/16 | N/A Coarse | N/A 4 | N/A A307 Grade A | N/A Plain | N/A 450 | $100.26 |
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| 31C500BSQ2 | N/A 5/16-18 X 5 SQUARE HEAD BOLT A307 GRADE A | N/A 5/16 | N/A Coarse | N/A 5 | N/A A307 Grade A | N/A Plain | N/A 400 | $109.10 |
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| 31C600BSQ2 | N/A 5/16-18 X 6 SQUARE HEAD BOLT A307 GRADE A | N/A 5/16 | N/A Coarse | N/A 6 | N/A A307 Grade A | N/A Plain | N/A 300 | $96.75 |
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| 37C75BSQ2 | N/A 3/8-16 X 3/4 SQUARE HEAD BOLT A307 GRADE A | N/A 3/8 | N/A Coarse | N/A 3/4 | N/A A307 Grade A | N/A Plain | N/A 1200 | $112.71 |
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| 37C100BSQ2 | N/A 3/8-16 X 1 SQUARE HEAD BOLT A307 GRADE A | N/A 3/8 | N/A Coarse | N/A 1 | N/A A307 Grade A | N/A Plain | N/A 1000 | $104.25 |
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Request Quote |
| 37C125BSQ2 | N/A 3/8-16 X 1 1/4 SQUARE HEAD BOLT A307 GRADE A | N/A 3/8 | N/A Coarse | N/A 1 1/4 | N/A A307 Grade A | N/A Plain | N/A 800 | $97.12 |
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Request Quote |
| 37C150BSQ2 | N/A 3/8-16 X 1 1/2 SQUARE HEAD BOLT A307 GRADE A | N/A 3/8 | N/A Coarse | N/A 1 1/2 | N/A A307 Grade A | N/A Plain | N/A 750 | $103.97 |
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Request Quote |
| 37C175BSQ2 | N/A 3/8-16 X 1 3/4 SQUARE HEAD BOLT A307 GRADE A | N/A 3/8 | N/A Coarse | N/A 1 3/4 | N/A A307 Grade A | N/A Plain | N/A 650 | $101.09 |
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- Anchors
- Bolts
- Cap Screws
-
Metric Fasteners
- Button Head Socket Cap Screws (ISO 7380)
- Dowel Pins
- Flat Head Socket Cap Screws (DIN 7991)
- Flat Washers, Standard (DIN 125)
- Flat Washers, Other
- Hex Bolts, Fully Threaded (DIN 933)
- Hex Bolts, Fully Threaded (ISO 4017)
- Hex Bolts, Partially Threaded (DIN 931)
- Hex Bolts, Partially Threaded (ISO 4014)
- Hex Flange Nuts (DIN 6923)
- Hex Keys & Bits
- Hex Nuts (DIN 934)
- Low Head Socket Cap Screws (DIN 7984)
- Nylon Insert Lock Nuts (DIN 982)
- Nylon Insert Lock Nuts (DIN 985)
- Socket Head Cap Screws (DIN 912)
- Socket Set Screws
- Socket Shoulder Screws (ISO 7379)
- Split Lock Washers (DIN 127)
- Spring Pins (DIN 1481)
- Studs
- Threaded Rod (DIN 975)
- Nuts
- Pins
- Screws
-
Socket Products
- Button Head Socket Cap Screws
- Flat Head Socket Cap Screws
- Hex Keys & Bits
- Low Head Socket Cap Screws
- Metric Button Head Socket Cap Screws
- Metric Flat Head Socket Cap Screws
- Metric Hex Keys & Bits
- Metric Low Head Socket Cap Screws
- Metric Socket Head Cap Screws
- Metric Socket Set Screws
- Metric Socket Shoulder Screws
- Socket Head Cap Screws
- Socket Jam Screws
- Socket Pipe Plugs
- Socket Set Screws
- Socket Shoulder Screws
-
Stainless Fasteners
- List item one
- List item two
- List item three
- Studs
- Threaded Rod
- Washers
- Other Standard Products
- Made-To-Order Specials
