... according to the customers' drawings and requirements. At present, we have various kinds of CNC machines as well as ... SL,HTD:3M,5M,8M,14M,20M AND SO ON2. Metric System: T-type series(T2.5,T5,T10 ... ,S4.5M,S5M,S8M,S14M)5. The British System:MXL,XL,L,H,X6. Material:1045 carbon steel ... , aluminum alloy frequently used,brass and nylon available.7. Surface treatment:black oxdizing,phosphating, ...