China M6 M8 M10 Copper Brass Round Butterfly Wing Nut DIN315, Find details about China Auto Parts, Wing Nut from M6 M8 M10 Copper Brass Round Butterfly Wing Nut DIN315
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 | |||
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 |