Stainless Steel Self-Tapping Screw — A2 / A4
Stainless steel self-tapping screws — 304 for general corrosion resistance, 316 for marine and chemical environments. Pan, hex washer, countersunk, and truss heads. Phillips, Pozidriv, and Torx drives.
Specifications
| Stainless Grade | A2 (304), A4 (316) |
|---|---|
| Point Types | Type AB, Type B, Type C |
| Heads | Pan, Hex washer, Countersunk, Truss |
| Size Range | #4 – #14 / M3 – M6.3 |
Frequently Asked Questions
Can stainless self-tapping screws drive into mild steel?
Yes, for thin sheet metal — stainless is hard enough to form threads in mild steel up to about 1.5 mm thickness. For thicker steel, the stainless screw will struggle and may break. For thicker steel use bi-metal self-drilling screws (carbon point + stainless body).
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