Description

Warning, this product is a small particle, please do not let children touch!  The common use of bearing steel steel ball: 1.grinding 2.Install a machine 3.experiment 4.Detection pipeline 5.Industrial ball etc. 6. Linear slider, ball screw, ball bearing Suitable for customers with high hardness and precise size requirements Steel ball standard: GB/T308-2002 Bearing steel grades: Gcr15 G10 Hardness is around 62-65 HRC It should be noted that this material is not waterproof and rust-proof when in use.  No Magnet.