"30" /> china Steel roller,steel NRA roller steel pin steel dowel rolo de aço,Stahlwalze,china steel roller, conveyor steel roller,steel pin, steel dowel

NRA Roller NRB Roller ZB  Roller China steel roller Manufactuer

Special CNC CUTTING, CNC TURNING CNC PARTS available

　

　

　
KN BALL           China Steel Ball and Leading Enterprise       

CN

EN
             KN Steel Ball                                                                                                     Production in ISO/TS16949:2009 
Email:knsteelball@hotmail.com WhatsApp: +86 19980830492 

                                                 Contact sales

We Produce according to customer's size, drawing or samples.

　

1x7   3x4  4x4  7x7  2x4 3x6 4x5 8x9 2x6 3x8 4x8 10x20 2x8 3x20 4x10 10x30 2x12 3x30 5x5 2x16 3x40 6x6

　

Name

Needle , Bearing , Pin

Material

GCR15

Hardness

HRC60-65

Out Diameter Tolerance

2um

Length Tolerance

30um

Perpendicularity

≤15um

Endface Runout

≤15um

Roundness

≤1um

Roughness

≤Ra1um

Produce speical steel dowel pin and rod  polished according to customer's drawing

　

　

　

　

　

　

　

　

　

　

　

　

　

　

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Customized production is available
　

KN STEEL BALL