AISI 440C stainless steel balls Q/NBOY 1-2004 (SSZBM standard) Shanghai company's standard GB 308-2002 Chinese standard ISO 3290-1998 International standard Strict quality control, Unique workmanship. ZG products, Superior brand, top rank. Bearing balls diameter series Diameter Kg per 1000pcs No. of balls per kg inch mm 1/16 1.5875 0.016 62350 2.0000 0.0326 30700[...]

Casting balls Shanghai project standard: "Casting balls" Q/IKEB 2-2006 Different features would be suffice for various of word condition. Specializing engineers would service to special customers. diameter: φ4.0 φ5.0 φ6.35 φ6.5 φ8 φ10 φ12 φ15.0 φ17.0 φ20.0 φ25 φ30 φ40 φ50 φ60 φ70 φ80 φ90 φ100 φ110[...]

Shanghai project standard: “Flashing plate, grinding plate, lapping plate for steel balls” Q/IKEB 1-2006 ZG brand hints good. Flashing plate, grinding plate, lapping plate for steel balls. it’s have cutting efficiency and better anti-wear, even inner structure and hardness, really first class products. They are be suit of products of bearing balls, stainless steel balls , ceramic balls, nylon balls，tungsten alloy balls, nickel-plate balls, and various balls. plate’s[...]

Various Kind and standard Q/NBOY 1-2004 (SSZBM standard) Shanghai company’s standard GB 308-2002 Chinese standard ISO 3290-1998 International standard Strict quality control, Unique workmanship. ZG products, Superior brand, top rank. Bearing balls diameter series Diameter Kg per 1000pcs No. of balls per kg inch mm 1/16 1.5875 0.016 62350 2.0000 0.0326 30700 5/32 3.9688 0.255 3922 3/16 4.7625 0.441 2268 15/64 5.9531 0.860 1163 1/4 6.3500 1.04 962 17/64 6.7469 1.25 800 9/32 7.1438 1.49 671 5/16 7.9375 2.04 490 3/8 9.5250 3.52 284 7/16 11.1125 5.60 179 29/64 11.5094 6.22 161 12.0000 7.04 142 31/64 12.3031 7.60 132 1/2 12.7000 8.35 120 17/32 13.4938 10.0 100 9/16 14.2875 11.9 84.0 19/32 15.0812 14.0 71.4 5/8 15.8750 16.3 61.3 21/32 16.6688 18.9 52.9 11/16 17.4625 21.7 46.1 3/4 19.0500 28.2 35.5 13/16 20.6375 35.8 27.9 1 25.4000 66.8 15 1[...]