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HDG/Dacromet A193 B7 heavy Hex bolts with A194 2H nut and F436 washer
| Main products | Hex bolt | DIN931,DIN933 | ||
| Heavy hex bolt | DIN6914,DIN7990,ASTM A325,ASTM A490 | |||
| Hex nut | DIN934,DIN6915,ASTM A194 2H,ASTM A563 | |||
| Washer | DIN125,DIN127,DIN6916,ASTM F436 | |||
| Stud bolt | DIN975,ASTM A193 B7,DIN938,DIN939 | |||
| Standard | DIN, ISO, ANSI, ASME, BS, AS, JIS and non-standards | |||
| Application | Building, instrument, automobile, furniture and so on | |||
| Grade & Material | Grade 4.8 | Q235 | ||
| Grade 5.8 | 35K (no heat treatment) | |||
| Grade 8.8 | D≤M20 | 35K | ||
| M22≤D≤M24 | 45# | |||
| D≥M27 | 40Cr | |||
| Grade 10.9 | D≤M24 | 40Cr | ||
| D≥M27 | 35CoMoA | |||
| Grade 12.9 | D≤M24 | 35CoMoA | ||
| D≥M27 | 42CoMoA | |||
| Diameter | M6-M100mm Or 1/4"-1-1/2" | |||
| Length | 20-1000mm Or 3/4"-12" | |||
| Production Process | Cold Heading | Cold heading→Heat treatment→Surface treatment | ||
| Hot Forging | Cutting→Chamfering(tail)→Hot forging→Chamfering(head)→Polishing→ Backspin→Threading rolling→Heat treatment→Surface treatment | |||
| Finish | Plain, Black oxidized, Zinc Plated (white, yellow, blue, color...), | |||
| Hot Dip Galvanized, Dacromet, Chrome | ||||
| Packing | 25kg per carton, 36 cartons packed in a pallet | |||
| or according to your demands | ||||
| Supply Ability | 500 tons per month | |||
| Minimum Order | 300kgs for each specification | |||
| Delivery | 15-30 days | |||
| Certification | ISO9001-2008 | |||
| Our motto | High quality; Attractive price; Timely delivery; Service upmost | |||


Our company was established in 1990, combining R&D, foreign trade and professional service of fasteners as an organic
whole.Following sincerity, striving to be remarkable is our management idea. We have

established a good image in the fastener producing and marketing field, well received by consumers. Our company has str
ong production capacity and sells professional standard fasteners. Our products accord with the international quality system, such as ANSI and BS. Our company offers high quality professional fasteners for industrial fields, such as automobile, building, communication, electron, energy, electrical home appliances and furniture, etc. Throughout year's development, we can assure high quality of our products.
Welcome to consult, negotiate and order all series fastener from businessman in all countries, we will provide all –directions “ one- stop purchase completely” service for you.
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