Three materials: alloy copper-basis, aluminum-basis and resin-basis2) the ball retaining rings can effectively prevent the steel balls fromshedding off3) with the tight fits between steel balls and holes or axles, the ball retaining rings have very high fit precisions, thus are the ideal substitutes of original retaining rolls.
According customers' requirements
Punch is a basic part or component in mechanical field. We have the advanced machine and skilled worker.Our company can manufacture many kind of punch.The customer design is welcome.
Usually, we use tungsten steeláto make punch and its hardness is over hrc92.The color of punch is bright and it also have other color which depend on what color it plated.
According customers' requirements
