... processing of wire to high-level precision steel ball.MAIN PRODUCTS:1. Stainless steel ball, with material AISI304, 316, 420C, 440C2. ... are widely used in several industries, such as hardware, sliders, ball bearing lead screw, wheels, toys, bicycles, bearings, trust bearings pulleys ... province, ChinaDeliveryWithin 30 days or confirmed while placing order Mines crushing industry steel ball 25.4mm