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About Hex Head Screws and Bolts
More
T-Bolts with Collar
Also known as clamping pins, these bolts have a collar that slides along the shaft and can be welded in place to hold work and prevent over torquing. The large T-shaped head provides a secure grip for steady tightening. The black-oxide finish provides corrosion resistance in dry environments. Length is measured from the top of the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Lg. | Threading | Thread Lg. | Thread Spacing | Wd. | Thick. | Tensile Strength, psi | Each | |
Black-Oxide Steel | |||||||||
| 10-24 | 3 1/4" | Partially Threaded | 3/4" | Coarse | 1 1/2" | 1/4" | 70,000 | 000000000 | 00000 |
| 1/4"-20 | 4 3/8" | Partially Threaded | 3/4" | Coarse | 2 1/2" | 3/8" | 70,000 | 000000000 | 00000 |
| 5/16"-18 | 4 7/16" | Partially Threaded | 3/4" | Coarse | 3" | 7/16" | 70,000 | 000000000 | 00000 |
| 3/8"-16 | 5" | Partially Threaded | 3/4" | Coarse | 3 1/2" | 1/2" | 70,000 | 000000000 | 00000 |
| 1/2"-13 | 5 5/8" | Partially Threaded | 3/4" | Coarse | 3 1/2" | 5/8" | 70,000 | 000000000 | 00000 |
| 1/2"-13 | 7 5/8" | Partially Threaded | 3/4" | Coarse | 3 1/2" | 5/8" | 70,000 | 000000000 | 00000 |
| 5/8"-11 | 6 3/8" | Partially Threaded | 3/4" | Coarse | 3 1/2" | 7/8" | 70,000 | 000000000 | 00000 |
| 3/4"-10 | 6 7/8" | Partially Threaded | 3/4" | Coarse | 3 1/2" | 7/8" | 70,000 | 000000000 | 00000 |
T-Bolts
Also known as tank-strap bolts, these T-bolts are commonly used with a band clamp or a strap to hold fuel tanks and other objects in place. The large T-shaped head provides a secure grip for steady tightening. Length is measured from the top of the head.
Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the threads per inch. Fine threads are closely spaced to prevent loosening from vibration.
Steel T-bolts without a finish are ready to be painted or finished.
Black-oxide steel T-bolts are mildly corrosion resistant in dry environments.
Zinc-plated steel T-bolts resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Lg. | Threading | Thread Lg. | Thread Spacing | Wd. | Thick. | Tensile Strength, psi | Each | |
Steel | |||||||||
| 3/8"-16 | 2 15/16" | Partially Threaded | 1 1/2" | Coarse | 1 3/4" | 3/8" | 120,000 | 000000000 | 00000 |
| 3/8"-16 | 3 11/16" | Partially Threaded | 1 1/2" | Coarse | 2" | 3/8" | 120,000 | 000000000 | 00000 |
| 1/2"-13 | 3 3/4" | Partially Threaded | 2 1/2" | Coarse | 2" | 1/2" | 120,000 | 000000000 | 00000 |
| 1/2"-20 | 3 3/4" | Partially Threaded | 2 1/2" | Fine | 2" | 1/2" | 120,000 | 000000000 | 00000 |
Black-Oxide Steel | |||||||||
| 1/4"-20 | 2 5/8" | Partially Threaded | 1 1/2" | Coarse | 1 1/4" | 1/4" | Not Rated | 000000000 | 00000 |
| 3/8"-16 | 5 3/16" | Partially Threaded | 4" | Coarse | 1 3/4" | 3/8" | Not Rated | 000000000 | 00000 |
| 3/8"-24 | 3 11/16" | Partially Threaded | 1 1/2" | Fine | 2" | 1/2" | 120,000 | 000000000 | 00000 |
| 1/2"-13 | 6 1/4" | Partially Threaded | 5" | Coarse | 3" | 1/2" | Not Rated | 000000000 | 00000 |
Zinc-Plated Steel | |||||||||
| 3/8"-16 | 2 15/16" | Partially Threaded | 1 1/2" | Coarse | 1 3/4" | 3/8" | 120,000 | 000000000 | 0000 |
| 3/8"-16 | 3 11/16" | Partially Threaded | 1 1/2" | Coarse | 2" | 1/2" | 120,000 | 000000000 | 00000 |
| 3/8"-24 | 3 11/16" | Partially Threaded | 1 1/2" | Fine | 2" | 1/2" | 120,000 | 000000000 | 00000 |
| 1/2"-13 | 3 3/4" | Partially Threaded | 2 1/2" | Coarse | 2" | 1/2" | 120,000 | 000000000 | 00000 |
| 1/2"-20 | 3 3/4" | Partially Threaded | 2 1/2" | Fine | 2" | 1/2" | 120,000 | 000000000 | 00000 |