Haiyan Dingfeng Fastener Co., Ltd.
Haiyan City · Zhejiang Province · People's Republic of China
Hot Formed Nuts; Studs; Hot Formed Bolts and Screws; Cold Formed Bolts, Screws, and Nuts
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Cold Formed Bolts, Screws, and Nuts
- Standard
- API-20E
- Product use
- Materials & connections
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Castings, forgings and fasteners form the physical foundation of reliable equipment.
Standard description (API source text):
Alloy and Carbon Steel Bolting
Names and standard mappings come from the API Composite List search snapshot. Product-use groups and Chinese reading aids are OFMP editorial additions, not official API classifications or translations; original English names are retained for comparison. Category snapshot: 2026-10-10
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