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 produces ASTM A193 B7 grade double-ended studs, with metric sizes ranging from M6 to M180 and imperial sizes from #10 to 8 inches. The types of threads are rich, including coarse threads, fine threads and ultra-fine threads. The double-ended studs fully comply with the requirements of ASTM A193 B7 grade specification and have obtained 3.1 and 3.2 certifications. We also offer B7 grade double-ended stud bolts with custom thread lengths.
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 | M12 to M180 |
| Imperial Sizes | #10 to 8" |
| Metric Threads | ISO, ASME |
| Imperial Threads | ISO, 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 |
|
ASME-Imperial | ASME-Metric | UNI | BS-Imperial | BS-Metric | |
| Double End Studs | DIN 2510 | --- | ASME B18.31.2 | ASME B18.31.1M | --- | BS 4882 | BS 4882 |
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