Stainless Steel Hex Socket Cap Bolt / Cap Screw
Sample Size: 3/8 x 4 inch
We offer a wide range of metric and inch standard bolts, including hex bolts, round head bolts, square head bolts, T-head bolts, dog head bolts, and other customized options. Our products are manufactured according to international standards such as DIN, EN, ISO, GB, JIS, AS, UNI, etc., and also meet inch-based standards like ASME/ANSI, ASTM/SAE/IFI, BS, and more.
Our stainless steel hex socket cap screws are available in various grades, including A2 and A4, as well as high-strength grades like 8.8, 10.9, and 12.9. The material can be carbon steel, alloy steel, or stainless steel, depending on the application.
Available sizes range from M5 up to M24 with lengths from 8mm to 300mm. Surface treatments include yellow zinc galvanizing, black oxide, white zinc, nickel and chrome plating, brass coating, dacromet, silver, and ruspert coatings. Custom specifications are also negotiable.
The product is produced under the DIN912 and ANSI B18.2.1 standards. We provide different surface finishes such as PL, ZP, BZP, YZP, HGD, and nickel. For corrosion resistance and enhanced strength, we offer additional treatments like heating, hot dip galvanizing, black zinc, and more.
For detailed technical specifications, please refer to the table below:
For more information about our production process, quality control, or custom orders, feel free to visit us at hexbolts.cn. Whether you need standard or special-use fasteners, we are here to meet your needs. Contact us today for a quote!
| All measurements in millimeters (mm) - DIN912 Standard Specifications | ||||
| d1 | t min | s | k max | d2 |
| 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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