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System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Thread Pitch Thread Pitch |
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Drive Style Drive Style |
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Head Type Head Type |
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![]() | Rounded |
Rounded Head Style Rounded Head Style |
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Threading Threading |
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Material Material |
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Thread Type Thread Type |
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Size Size |
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Finish Finish |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Hardness Hardness |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Tensile Strength Tensile Strength |
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Thread Fit Thread Fit |
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Rounded Head Profile Rounded Head Profile |
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Thread Spacing Thread Spacing |
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Specifications Met Specifications Met |
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About Rounded Head Screws
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Metric 18-8 Stainless Steel Button Head Torx Screws

18-8 stainless steel screws have good chemical resistance and may be mildly magnetic. All are passivated for added protection against oxidation and corrosion. A Torx drive has more points of contact than other drives, allowing you to tighten the screw without damaging the recess. For Torx tools, see Torx bits, keys, and drivers. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
| Lg., mm | Threading | Head Dia., mm | Head Ht., mm | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
M1.8 × 0.35 mm | |||||||||
| 3 | Fully Threaded | 3.40 | 0.97 | T5 | 100,000 | ASME B18.3.4M | 100 | 000000000 | 000000 |
| 4 | Fully Threaded | 3.40 | 0.97 | T5 | 100,000 | ASME B18.3.4M | 100 | 000000000 | 00000 |
| 5 | Fully Threaded | 3.40 | 0.97 | T5 | 100,000 | ASME B18.3.4M | 100 | 000000000 | 00000 |




























