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Material | Mid/low carbon steel/alloy steel |
Size | Customized,mainly produce size M20-60 |
Grade | 4.8/5.6/5.8/6.8/8.8/10.9 |
Thread | UNC/UNF. |
Testing | hardness test,roughness test,tensile test |
Equipment | CNC machine,automatic machine,thread rolling machine,tapping drilling machine |
Surface treatment | Black oxide |
Standard | ASTM/Din/GB |
Package | wooden case and pallet or as per customer’s request |
With nealy more than 10years processing experience ,we devote ourselves to provide good quality products with reasonable price ,various head type including D-type, hex type, bucket type, square head etc..our products are widely applied in cement,mining and electric industry .
We support OEM service .Drawings and samples are available.
heavy/mining machinery fasteners