Alloy Steel 12.9 Hex Socket Head Shoulder Bolt/Screw
1. Standard: ISO 7379/ASME B18.3.4
2. Material: Stainless steel, SCM435 alloy steel, or according to client's requirement
3. Strength Grade: 8.8/10.9/12.9 or SS304/316
4. Diameter: 6-24mm (metric), 1/4''-3/4'' (inch)
5. Length: 8-180 mm, 3/8''-6'' inch, or according to client's requirement
6. Exterior Finish: Black/Plain or according to client's requirement
7. Non-standard: OEM/ODM is available, according to drawings or samples
8. Packing: General packing or according to requirement
9. Sample Charge: Standard samples are free
| Unit: inch (ASME) |
| |
|
φ1/4 |
φ5/16 |
φ3/8 |
φ1/2 |
φ5/8 |
φ3/4 |
| ds |
max |
0.248 |
0.3105 |
0.373 |
0.498 |
0.623 |
0.748 |
| min |
0.246 |
0.3085 |
0.371 |
0.496 |
0.621 |
0.746 |
| dk |
max |
0.375 |
0.438 |
0.562 |
0.75 |
0.875 |
1 |
| min |
0.357 |
0.419 |
0.543 |
0.729 |
0.853 |
0.977 |
| k |
max |
0.188 |
0.219 |
0.25 |
0.312 |
0.375 |
0.5 |
| min |
0.177 |
0.209 |
0.24 |
0.302 |
0.365 |
0.49 |
| s |
nominal |
0.125 |
0.156 |
0.188 |
0.25 |
0.312 |
0.375 |
| t |
min |
0.094 |
0.117 |
0.141 |
0.188 |
0.234 |
0.281 |
| d |
nominal |
10# |
1/4 |
1/3 |
3/8 |
1/2 |
5/8 |
| nominal dia |
0.19 |
0.25 |
0.3125 |
0.375 |
0.5 |
0.625 |
| PP |
T |
24 |
20 |
18 |
16 |
13 |
11 |
| b |
thread length |
0.375 |
0.438 |
0.5 |
0.625 |
0.75 |
0.875 |
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Welcome to Hangzhou Jiangxin Industry Co., Ltd
Established in 2004, Hangzhou Jiangxin Industry Co., Ltd is a national high-tech enterprise and a scientific and technological enterprise in Zhejiang Province. We are a professional fastener manufacturer that integrates production, research and development, and sales. With our world-class fastener production equipment and advanced ERP system for management, we ensure top-notch quality and efficiency.
Our company holds the ISO9001 international quality management system certification and operates distribution outlets and logistics distribution centers in East China. We specialize in producing and supplying a wide range of standard and non-standard high-strength bolts and advanced expansion bolts. Our materials include various carbon steel and stainless steel 304 and 316, meeting German standards (DIN), American standards (ANSI, ASME), international standards (ISO), national standards (GB), Japanese standard (JIS), British standard (BSW), and more.
Our products are widely used in high-speed rail, automobiles, ships, machinery, molds, electronics, and construction, among other fields. Known for their excellent performance, fast installation, beautiful appearance, compatibility, and stability, our fasteners are highly favored by both Chinese and foreign merchants.
Business Varieties:
- Bolts: outer hexagonal bolts, inner hexagonal bolts, carriage bolts, flange bolts, etc.
- Screws: machine screws, drilling screws, set screws, 12.9-grade plug screws, hexagonal wood screws, self-tapping screws
- Nuts: hexagonal nuts, K caps, nylon, stamped metal self-locking nuts, hexagonal flange nuts, cap nuts, rivet nut series, etc.
- Others: semi-hollow rivets, step rivets, and various non-standard tightening customization of firmware
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