Shanghai Powermax Fastener Co., Ltd.
Shanghai Powermax Fastener Co., Ltd. Quality first, Clients first.
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Grade 12.9 black finish M12 thread square neck coarse thread coach bolt
Are carriage bolts strong?
Having said that, once installed, they can hold large amounts of weight. For example, a Grade 5 carriage bolt made out of carbon steel has a tensile strength of 120,000psi or 8437 kilogram-force per square metre and a proof load strength of 85,000psi or 5,976 kilogram-force per square metre.
| Standard: ASME/ANSI B 18.2.1, DIN603,DIN608 |
| Size: 1/4”-1”, M5-M12 |
| Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass |
| Grade: ASTM A307Gr.A, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9; SAE J429 Gr.2, 5,8; B8,B8M,B8T |
| Thread: UNC, UNF,UN |
| Finish: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G. |
Packaging Details: a. bulk in cartons (<=25kg )+ 36CTN/wood solid Pallet
b. bulk in cartons 9"x9"x5" (<=18kg )+ 48CTN/wood solid Pallet
Supply Ability:1000 tons per month
MinimumOrder:200kgs for each specification
Trade Term:FOB/CIF/CFR/CNF/EXW/DDU/DDP
Payment :T/T, L/C , D/A , D/P , Western Union,etc
Market:South&north Amrica/Europe/ etc.