Ceramic grinding Wheels Use: Rough grinding, finishing, high speed grinding, such as grinding various metal workpiece, non-metallic material and etc. Marking system of abrasive tools: PSA 400?00?27 A 60 L 5 B 35 Shape Symbol: PSA Outer Diameter D: 400 Thickness H: 100 Bore diameter d: 127 Abrasive: A Grain Size: 60 Hardness: L Structure: 5 Bond: B The max. speed(m/s): 35 Resin Grinding Wheels Use: Rough grinding, snagging, cutting and free grinding, such as ingot steel grinding, cast grinding, deburring and etc. Recommended application of grain size: Grit Recommended applications 12-24 Snagging, deburring, cutting-off, removing rust, polishing welding seam, rough grinding jadeware and etc. 36-46 Surface, cylindrical, centreless grinding, end fact and etc. 60-100 Precision grinding for measuring, cutting tools, gear and etc. 120-W20 Cylinder sleeve precision grinding, honing and thread grinding W20 and finer Precision grinding, cutting and lapping for silicon plate, optical glass and etc. Abrasive material: A, WA, SA, PA, GC, C. Hardness: G H J K L M N P Q R S T Rubber Grinding Wheels Use: Centreless grinding, finishing, polishing and cutting, such as grinding bearing, inner and outer slot grinding, bearing roll pillar grinding and etc. Hardess grade and code: Major grade Super soft Soft Medium soft Medium Medium hard Hard Super hard Detail grade Super soft 1 2 3 1 2 1 2 1 2 3 1 2 Super hard code DEF G H J K L M N P Q R S T Y Brand Name:Dongfeng or as required by customers Country of Origin: China Primary Competitive Advantages: Price Prompt Delivery Quality Approvals Export Markets: Worldwide Payment Terms:L/C at sight , D/P at sight Delivery Details: FOB, CIF, DDU Lead Time:20 days