Tool Steel Balls/S-2 Drill Bits Mud Motor Balls  

Changzhou Huari Steel Ball Co., Ltd  is an ISO9001: 2015 and IATF16949: 2016 certified professional manufacturer of steel balls with experience of more than 30 years. We owns more than 500 sets advanced production equipment and more than 100 sets of testing devices to ensure the quality of the steel balls.  Custom service to meet our customers' needs are our core strength. Sizes & Material The factory produces ball sizes from 0.5mm to 250mm.  Alloy Tool Steel Ball: AISI/SAE S2 Alloy Tool Steel Ball 1. Material AISI/SAE S2 2. Size Range 2mm-50mm 3. Grade G10-1000 4. Hardness 58-62 HRC 5. Characteristic (a)Mainly used in bearings (b)Good hardness…