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About Hex Head Screws and Bolts
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Bronze Square-Neck Carriage Bolts
Made from bronze, these bolts provide corrosion resistance to salt water, gases, and sewage, and are nonmagnetic and electrically conductive. A square neck keeps them from turning when tightening a nut. A smooth, rounded head provides a finished look. Dimensions meet ASME B18.5 specifications. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | Neck | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Thread Spacing | Dia. | Ht. | Wd. | Lg. | Specifications Met | Pkg. Qty. | Pkg. | |
Silicon Bronze | ||||||||||
1/4"-20 | ||||||||||
| 1 1/2" | Fully Threaded | Coarse | 0.594" | 0.145" | 0.26" | 0.16" | ASME B18.5 | 10 | 000000000 | 000000 |
| 2" | Fully Threaded | Coarse | 0.594" | 0.145" | 0.26" | 0.16" | ASME B18.5 | 10 | 000000000 | 00000 |
| 2 1/2" | Fully Threaded | Coarse | 0.594" | 0.145" | 0.26" | 0.16" | ASME B18.5 | 5 | 000000000 | 0000 |
| 3" | Fully Threaded | Coarse | 0.594" | 0.145" | 0.26" | 0.16" | ASME B18.5 | 5 | 000000000 | 0000 |
5/16"-18 | ||||||||||
| 1 1/2" | Fully Threaded | Coarse | 0.719" | 0.176" | 0.32" | 0.19" | ASME B18.5 | 5 | 000000000 | 0000 |
| 2" | Fully Threaded | Coarse | 0.719" | 0.176" | 0.32" | 0.19" | ASME B18.5 | 5 | 000000000 | 00000 |
| 2 1/2" | Fully Threaded | Coarse | 0.719" | 0.176" | 0.32" | 0.19" | ASME B18.5 | 5 | 000000000 | 00000 |
| 3" | Fully Threaded | Coarse | 0.719" | 0.176" | 0.32" | 0.19" | ASME B18.5 | 1 | 000000000 | 0000 |
3/8"-16 | ||||||||||
| 1" | Fully Threaded | Coarse | 0.844" | 0.208" | 0.39" | 0.22" | ASME B18.5 | 1 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | Coarse | 0.844" | 0.208" | 0.39" | 0.22" | ASME B18.5 | 1 | 000000000 | 0000 |
| 1 3/4" | Fully Threaded | Coarse | 0.844" | 0.208" | 0.39" | 0.22" | ASME B18.5 | 1 | 000000000 | 0000 |
| 2" | Fully Threaded | Coarse | 0.844" | 0.208" | 0.39" | 0.22" | ASME B18.5 | 1 | 000000000 | 0000 |
| 2 1/2" | Fully Threaded | Coarse | 0.844" | 0.208" | 0.39" | 0.22" | ASME B18.5 | 1 | 000000000 | 0000 |
| 3" | Fully Threaded | Coarse | 0.844" | 0.208" | 0.39" | 0.22" | ASME B18.5 | 1 | 000000000 | 0000 |
1/2"-13 | ||||||||||
| 1 1/2" | Fully Threaded | Coarse | 1.094" | 0.27" | 0.52" | 0.28" | ASME B18.5 | 1 | 000000000 | 0000 |
| 2" | Fully Threaded | Coarse | 1.094" | 0.27" | 0.52" | 0.28" | ASME B18.5 | 1 | 000000000 | 0000 |
| 2 1/2" | Fully Threaded | Coarse | 1.094" | 0.27" | 0.52" | 0.28" | ASME B18.5 | 1 | 000000000 | 0000 |
| 3" | Fully Threaded | Coarse | 1.094" | 0.27" | 0.52" | 0.28" | ASME B18.5 | 1 | 000000000 | 0000 |