thread tools

详情

contact person： Junhua Miao Mail：junhuamiao ID：***** 1……Hand tap: The thread rolling tap is made by tool steel or alloy, the precision is H4. Standard:GB/T***4.*****4 2……machine tap with slender shank or thick shank: The cutting efficiency is high, discharge crumb easily, the strength is good, the product life is long, the manufacturing precision is stable. Precision:H1，H2，H3 surface treatment:Ti-coated， nitrogen treated. Standard:GB/T***4.*****4 3.……spiral fluted tap The cutting efficiency is high, discharge crumb easily, the strength is good, the product life is long, the manufacturing precision is stable, and can be used to manufacture thread hole on rough metal products and un-continuous surface. surface treatment:Ti-coated， nitrogen treated. Standard:GB/T********3 4…… spiral pointed tap There is inclining cutting lip at front end, sharp and discharge crumb smoothly with good precision and long product life. surface treatment:Ti-coated， nitrogen treated. Standard:JB******1 5…… screwing die It's used to manufacuture thread for coloured metal such as carbon steel , copper, aluminum. Standard:GB/T**0.*****4