Tensile and Yield Strength
Surface Roughness
geometric tolerance
Form and Position Tolerance
hardness and thickness of coating
neutral salt spray test (NSS)
5.checking:
4.surface treatment:Zinc electro plated.
3.heat treating:annealing.
turning
knurling
turning
grinding.
2.processing method:
C20,C45, 16Mn, St37-2
alloy steel,free cutting steel.
1.Material of knurling bushing machinery parts:
1.Embroidery spare parts.
2.Knurling bushing machinery parts.
3.Turning, knurling,annealing,grinding and Zinc electro plated.
Delivery Time: | 35days |
Package: | carton and pallet |
Supply Ability: | 3600 Piece/Pieces per Month |
Minimum Order Quantity: | 100 Piece/Pieces |
Payment Terms: | L/C,D/P,T/T |
Port: | Shanghai |
Fob Price: | US$0.77-8.33Shanghai |
Place of Origin: | Jiangsu, China (Mainland) |
Place of Origin: | Jiangsu China (Mainland) |
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