... Precision worm 1.Small order accepted 2.Surface with grinding 3.Capacity:5000 pcs per month 4.Factory price Customized brass ... hardness cuold be reached HRC58-623) Gear Mould no.: 0.3~154) Teeth profile: Spur,Helical,Worm,Spiral or other ... Parts,hydraulics, compressors,Industrial equipments, transmission parts, etc.Our services:CNC Machining, Milling, Stamping, Sheet metal fabricating, and Die-Casting