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About Rounded Head Screws
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Thread-Locking Pan Head Phillips Screws
A nylon patch bonded to the threads adds friction to prevent loosening from vibration. Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic. They’re passivated for added protection against oxidation and corrosion. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
| Lg. | Threading | Head Dia. | Head Ht. | Drive Size | Tensile Strength, psi  | Thread Locker Temperature Range, °F | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
4-40 | ||||||||||
| 1/8" | Fully Threaded | 0.219" | 0.080" | No. 1 | 60,000 | -55° to 120° | ASME B18.6.3, IFI 124 Standards | 25 | 000000000 | 000000 |
| 3/16" | Fully Threaded | 0.219" | 0.080" | No. 1 | 60,000 | -55° to 120° | ASME B18.6.3, IFI 124 Standards | 25 | 000000000 | 00000 |
6-32 | ||||||||||
| 3/16" | Fully Threaded | 0.270" | 0.097" | No. 3 | 60,000 | -55° to 120° | ASME B18.6.3, IFI 124 Standards | 25 | 000000000 | 00000 |