Made of high-quality cobalt-containing high-speed steel M35, it has high hardness, good wear resistance and can be coated. Standard: JIS Thread Type: Metric, UNC, UNS, UNF, BSW Thread Direction: Right, Left Customized Product Material: HSSE-35, HSS-CO, HSS, CPM Coating: White, TiN, TiCN, OX, etc. Package: Plastic Case+Cartons Processed Material: Steel, Stainless Steel, Aluminium Alloy, Cast Iron, etc.