About Hex Head Screws and Bolts
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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 | |||||||||
3/4"-10 | 6 7/8" | Partially Threaded | 3/4" | Coarse | 3 1/2" | 7/8" | 70,000 | 000000000 | 000000 |