Customization: | Available |
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Material: | Stainless Steel |
Type: | Round Head |
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Main products | Hex head bolt | DIN931,DIN933,DIN960,DIN961,ISO4014,ISO4017 | ||
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 | |||
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 | M4-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 |
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Packing | 25kg per carton, 36 cartons packed in a pallet or according to your demands |
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Supply Ability | 800 tons per month | |||
Minimum Order | 500kgs for each specification | |||
Delivery | 15-45 days | |||
Certification | ISO9001-2008 and Ningbo Product Quality Inspection (see below) | |||
Our motto | High quality; Attractive price; Timely delivery; Service upmost |