Specifications: Metric System: T-type series(T2.5, T5, T10, T20) HTD type(3M, 5M, 8M, 14M) STPD/STS type(S2M, S3M, S4.5M, S5M, S8M, S14M)
The British System: MXL, XL, L, H, XH, XXH
Material: 1045 Carbon Steel, Aluminium alloy frequently used, brass and nylon also available

Surface treatment: Black oxidizing, phosphating, anodize, zinc-plating
Tolerance: Conform to standards on our website or customers' requirement
OEM/ODM service: Offered
Custom requirement available.