Min. Order Reference FOB Price
100 Sets US$1.00-30.00 / Set
Product Description
Hex Shank High-Speed Steel Spiral Grooved Step Drill Bit for Sheet Aluminium Metal Wood Hole Drilling Product features HSS Titanium Coating: Our high-speed steel drill bits, fortified with a titanium coating that makes the drill bit harder than a typical HSS bit, can reduce the friction drill, ...