... various sizes and types 4,made-to-order service available Tungsten carbide pin gauge:1. specification: Diameter tolerance can be ... 0.3μ, Surface finishes Ra 0.025a. General specification of Round Rods: Outer diameter 0.535mm, Length 10~320mm. ... . Various types and sizes precision mould parts,including tungsten carbide pin gauge,tungsten carbide puches,dowel pin,oilless wear plate, diverse die ...