Model Number: 3/32 INCH,2.381mm,G100 Brand Name: SAILINGBALL Key Specifications/Special Features: Chrome steel balls (bearing balls), 0.5-55mm, G5-1000Application: heavy duty and high-speed bearing, linear motion guidance system (ex. ball screw), meter milling, ink and paint grinding, chemical industry, food industry. Chrome Steel BallChemical Composition C% Si% Mn% Cr% Cu% S% P% Hardness 0.90~1.05 0.15~0.35 0.25~0.45 1.35~1.65 0.3Max 0.03Max 0.03Max Through Hardened .Application:Heavy duty and high-speed bearing,linear motion guidance system(ex.ball screw),meter milling,ink and paint grinding,chemical industry,food industry. .Density:7.833g/cm .Grade:5~milling .Size:1.0mm~1"