6pcs M3-M10 Hex Shank Tap Drill Bits Set Titanium Plated HSS Screw

Description Use: Three-in-one function(punch—tapping–deburring) Drilling, tapping, and deburring/sinking with a drill once – saving manpower and time. Suitable for soft metal tapping (aluminum alloy, zinc alloy, tin alloy, etc.) Higher hardness and more durable *Material: High-speed steel Hex shank metric composite tap drill bits 100% Brand new and high quality Package Content 1 x 6pcs Hex Shank Tap Drill Bits