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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.
| 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 |