2019 factory price low carbon steel ball wholesale
1.Material: AISI1010/AISI1015 2. Grade of precision: G100 to G500
3. Hardness: >HRC 60
application moderate loads and allow rotating parts,for example:castors, conveyors, roller skates, drawer slides, seat slides, bicycles, etc. Balls can be nickel, zinc or other material plated.
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