ITEM NAME:6pcs Metric Thread M3-M10 Titanium Coated Drill HSS and Tap Bits 1/4" Hex Shank Descriptio n Features: These taps are made from high speed steel and surface finished by nitriding for high hardness and rust resistance. There are total 6 pieces of taps in different sizes from M3 to M10 that you can use for tapping various threads. Taps are designed with spiral flutes and the chip clearing process would be better. They are taps with drilling function, used to drill a hole and cut new threads at the same time, you will have a smooth tapping experience with them. These taps are used on a machine to do the tapping, generally more accurate because human error is eliminated. Specifications : Material: high speed steel Color: /white plating Size: Metric 6PC: M3*0.5mm, M4*0.7mm, M5*0.8mm, M6*1mm, M8*1.25mm, M10*1.5mm Parameters: total length 58mm, blade length 28mm, shank length 30mm, handle is a universal 6.35mm square handle Used On: Machine Function: Drilling Quantity: 6 Package Includes: 1 package(6 pcs ) We offer you what you need! 6pcs Metric Thread M3-M10 Titanium Coated Drill HSS and Tap Bits 1/4" Hex Shank.We'd like to settle any problem in a friendly manner. Material: high speed steel. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.