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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 8.8 | M8-M20 | 35K |
M22-M24 | 45# | ||
M27-M42 | 40Cr | ||
Grade 10.9 | M8-M20 | 40Cr/20MnTiB | |
M22-M24 | 40Cr/20MnTiB | ||
M27-M42 | 35CoMoA/42CrMoA | ||
Grade 12.9 | M8-M20 | 35CoMoA | |
M22-M24 | 35CoMoA | ||
M27-M42 | 42CoMoA | ||
Diameter | M4-M100mm Or 1/4"-1-1/2" | ||
Length | 20-1000mm Or 3/4"-12" | ||
Production Process | Cold heading or Hot forging(see below) | ||
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 | 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 | ||
galvanized steel flat washers
