Injection EVA sinlge screw for shoe sole Diameter 80-300mm Min.Order 1 set Materials 38CrMoAIA SKD61 GH113 Discount Available Application EVA Payment Term T/T, L/C Technical Process 1.Rough Machining 2.Quenching and Tempering 3.Finish Machining 4.Nitriding 5.Screw polishing Technological Parameter Roughness Ra 0.4um Hardness of Quenching and Tempering HB 240-280 Depth of Nitride Layer 0.5~0.8mm Hardness HRC 55-62 Alignment of Screw...
( 
مسح لزيارة
