System of Measurement System of Measurement |
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Grip Style Grip Style |
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 | Two Arm |
Finish Finish |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Head Type Head Type |
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 | Tee |
Thread Spacing Thread Spacing |
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Hardness Hardness |
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Thread Type Thread Type |
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Tensile Strength Tensile Strength |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Mount Type Mount Type |
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| Threaded Hole | Threaded Stud |
Insert Material Insert Material |
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Color Color |
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 | Black |
Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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About Hex Head Screws and Bolts
More
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.
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 | |||||||||
| 1/2"-13 | 3 3/4" | Partially Threaded | 2 1/2" | Coarse | 2" | 1/2" | 120,000 | 000000000 | 000000 |
Black-Oxide Steel | |||||||||
| 1/2"-13 | 6 1/4" | Partially Threaded | 5" | Coarse | 3" | 1/2" | Not Rated | 000000000 | 00000 |
Zinc-Plated Steel | |||||||||
| 1/2"-13 | 3 3/4" | Partially Threaded | 2 1/2" | Coarse | 2" | 1/2" | 120,000 | 000000000 | 00000 |
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.
Threaded-Hole Knobs
Install these knobs on a threaded stud. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.
Plastic knobs are a lightweight alternative to metal. They resist oil, grease, and solvents. Nylon has good wear resistance.
For technical drawings and 3-D models, click on a part number.
Thread | Head | Hub | Each | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size | Dp. | Wd. | Ht. | Dia. | Ht. | Insert Material | Temperature Range, °F | 1-9 | 10-Up | |
Style 13—Two Arm Grip | ||||||||||
Black Nylon Plastic | ||||||||||
| 1/2"-13 | 5/8" | 3 1/2" | 7/8" | 15/16" | 1/4" | Zinc-Plated Steel | -15 to 150° | 00000000 | 00000 | 00000 |
Threaded-Stud Knobs
Mount these knobs into a threaded hole. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.
Plastic knobs are a lightweight alternative to metal. They resist oil, grease, and solvents. Polypropylene has good impact resistance.
For technical drawings and 3-D models, click on a part number.
Head | Hub | Each | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Stud Lg. | Wd. | Ht. | Dia. | Ht. | Stud Material | Temperature Range, °F | 1-9 | 10-Up | |
Style 7—Two Arm Grip | ||||||||||
Black Polypropylene Plastic | ||||||||||
| 1/2"-13 | 1" | 3 1/2" | 7/8" | 15/16" | 1/4" | Steel | -15° to 125° | 00000000 | 00000 | 00000 |