Company Profile：
Handan Trina Metal Co., . is a comprehensive manufacturing enterprise specializing in the research and development, production, sales and service of fasteners. It focuses on the customized production of high-end fasteners that are resistant to high pressure, high and low temperatures, and corrosion. The company takes a full-chain layout as its core advantage, covering raw material procurement, precision processing, personalized customization, centralized procurement, professional packaging, efficient logistics and worry-free after-sales services. It provides customers with one-stop fastener solutions.
Product Introduction：
TRINA provides ASTM A193 B7 grade hexagon bolts that comply with ASME B18.2.1, DIN 931, ISO 4014, ISO 4016 and ISO 8765 size standards. B7 hexagonal bolts are an ideal choice for general industrial bolt connections in high-temperature and high-pressure environments. We produce a full range of hexagon bolts in metric and imperial sizes. The thread types are complete, covering coarse thread, fine thread and ultra-fine thread, fully conforming to ASTM A193 B7 grade specifications.
For a quick quote on A193 grade B7 stud bolts, please contact our sales team at lisa@hellofastener.com
Double End Stud Sizes & Thread Specifications
| Metric Sizes | M2 – M152 |
| Inch Sizes | ¼" to 8" |
| Metric Threads | ISO, ASME |
| Imperial Threads | ASME, BSW, BSF |
| Thread Standards | ISO 68-1, ISO 268, ISO 724, ASME B1.1, ASME B1.13M, BS 84, BS 3643 |
Double End Stud Standards
| Fastener Dimensional Standards |
| Product | DIN | ISO | ASME-Imperial | ASME-Metric | UNI | BS-Imperial | BS-Metric |
| Hex Bolts | DIN 931 | ISO 4014 | ASME B18.2.1 | ASME B18.2.3.5M | UNI 5737 | BS 3692 | --- |
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