SST200
SST200 series are made from domestic and imported cold-working alloy steel. Characteristics: Well abrasion resistance and hardenability, superior toughness, good surface properties, suitable for surface nitriding, electrol plate and PVD…
SST300
SST300 series are made from domestic and imported die steel. Characteristics: High abrasion resistance, excellent overall hardenability and stable dimension in heat treatment SST300 series screws are suitable for SBK3,…
SST400
SST400 Series are made from imported stainless steel. Characteristics: Superior corrosion resistance, excellent polishability, well abrasion resistance and stable dimension in heat treatment. SST400 Series are suitable for SBK3 SBK7…
SST500
SST500 Series is made of imported powder metallurgy steel. Characteristics: High wear resistance, very good toughness, bottom corrosion resistance, very good hardenability, stable heat treatment size. SST500 series screw are…
SST600
SST600 screw is produces using a selection of domestic and imported nickel-base alloy steel. Characteristics: excellent corrosion resistance, good plasticity, high temperature resistance, high wear resistance. SST600 series match with…
SST700
SST700 screw is a vacuum sintered nickel-based alloy coated screw, suitable for high wear materials. The base material is high quality alloy steel and the coating is imported ni-based self-fluxing…