FASTENERS
Custom Fastener Manufacturing with Certified Quality and Full Traceability
- 25 Years of Manufacturing Experience
- Direct Manufacturer, Competitive Cost
- Ensure stable quality, cost efficiency, and reliable lead time
- Custom Solutions for Extreme Enviroment
- In-house production & testing technology
- Third Party Inspection
- Wide Standards & Materials Coverage
- Surface Treatment Capabilities to Ensure High Performance
- Global Supply & Efficient Logistics in China










PRODUCTS STANDARDS and GRADE
We provide bolts and nuts matching to ensure a high strength and reliable fastening solution for high pressure, extreme temperature and corrosive enviroment such as:
- ASTM A193 B7 – ASTM A194 2H for High Strength/Temperature
- ASTM A193 B8 (SS304) – ASTM A194 8 for Corrosion Resistance
- ASTM A320 L7 – ASTM A194 7 for Low Temperature Sets
| Material | Bolt Standard & Grade | Nut Standard & Grade | Diameter |
|---|---|---|---|
| Alloy Steel | ASTM A193 B7, B7M | ASTM A194 2H, 2HM | 1/2" - 4" |
| ASTM A193 B16 | ASTM A194 7L | 1/2" - 4" | |
| ASTM A320 L7, L7M, L43 | ASTM A194 7L, 7ML | 1/2" - 2 1/2" | |
| Stainless Steel | ASTM A193 B8, B8M, B8T, B8MLN, B8CLNCuB, B8MLCuN, B8ML4CuN (Class 1, 1A, 1B, 1C, 1D, 2, 2B, 2C) | ASTM A194 8, 8A, 8M, 8MA, 8T, 8MLN, 8CLNCuB, 8MLCuN, 8ML4CuN | 1/2" - 4" |
| ASTM A320 B8, B8M, B8T, B8MLN (Class 1, 1A, 2) | ASTM A194 8, 8A, 8M, 8MA, 8T, 8MLN | 1/2" - 4" | |
| High Temperature Stainless Steel | ASTM A453 660 (Class A, B, C, D) | 1/2" - 4" | |
| Super Duplex | ASTM A1082 : UNS 32750, 32760S | 1/2" - 4" | |
| Non-Ferrous | ASTM F468 : UNS C63000 - Nickel Aluminium Bronze Alloy | 1/2" – 1 1/2" | |
| High Temperature Steel | EN10269 : 20CrMoVTiB4-10 / 1.7729 | 1/2" - 4" | |
| CRA | Monel K500 - Nickel Copper Alloy Inconel : 625, 718, 925 - Nickel Chromium Superalloy (NORSOK M-650) | 1/2" - 4" | |
| Carbon / Alloy Steel | BS EN ISO 898: Grade 8.8, 10.9, 12.9 | BS EN ISO 898: Class 8, 10, 12 | M6 – M100 |
SURFACE COATING
Enhanced Corrosion Resistance & Durability
We offer a viraty of coatings including
- PTFE fasteners – Xylan
- zinc electroplating
- hot-dip galvanizing,
- hot-dip aluminum,
- dacromet,
- cadmium plating,
- phosphate






