Stainless Steel Hex Socket Cap Bolt / Cap Screw
Sample size: 3/8 x 4 inch
We offer a wide range of high-quality hex socket cap screws made from premium stainless steel. Our products are available in metric specifications according to DIN912 standards, with sizes ranging from M5 to M24 and lengths from 8mm up to 300mm.
Available surface finishes include Yellow Zinc Galvanizing, Black Oxide, White Zinc, Nickel and Chrome Plating, Brass Coating, Dacromet Coating, Silver Coating, and Rustproof Coating. We also provide different material grades such as 8.8, 10.9, 12.9, A2, and A4 to meet various strength and corrosion resistance requirements.
Standards we follow include DIN912, DIN7984, ANSI B18.2.1, and others. Customized specifications are negotiable based on customer needs. Surface treatments can be PL, ZP, BZP, YZP, HGD, or Nickel, depending on the application.
For more detailed production information, please visit our website at hexbolts.cn.
Transhow Fasteners is a professional manufacturer of various types of bolts, including hex bolts, round head bolts, square head bolts, T-head bolts, dog head bolts, and other customized and special-use bolts.
Our bolts are produced according to both metric (DIN, EN, ISO, GB, JIS, AS, UNI, etc.) and inch standards (ASME/ANSI, ASTM/SAE/IFI, BS, etc.). The materials used for production include carbon steel, alloy steel, stainless steel, and brass. Bolts below M24 (or 1 inch) are typically cold forged, while larger sizes are hot forged.
To enhance durability and performance, our bolts can undergo additional treatments such as heating, black oxide, zinc coating, hot-dip galvanizing, black zinc coating, brass coating, nickel and chrome plating, and Dacromet.
If you're interested in our products, feel free to contact us today for a quick quote and further assistance.
Below is the DIN912 standard specification table for reference:
| d1 (mm) | t min (mm) | s (mm) | k max (mm) | d2 (mm) |
|---------|------------|--------|------------|---------|
| M2 | 1 | 1.5 | 2 | 3.8 |
| M3 | 1.3 | 2.5 | 3 | 5.5 |
| M4 | 2 | 3 | 4 | 7 |
| M5 | 2.5 | 4 | 5 | 8.5 |
| M6 | 3 | 5 | 6 | 10 |
| M8 | 4 | 6 | 8 | 13 |
| M10 | 5 | 8 | 10 | 16 |
| M12 | 6 | 10 | 12 | 18 |
| M14 | 7 | 12 | 14 | 21 |
| M16 | 8 | 14 | 16 | 24 |
| M18 | 9 | 14 | 18 | 27 |
| M20 | 10 | 17 | 20 | 30 |
| M24 | 12 | 19 | 24 | 36 |
| M27 | 13.5 | 19 | 27 | 40 |
| M30 | 15.5 | 22 | 30 | 45 |
| M36 | 19 | 27 | 36 | 54 |
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