6Pcs Hss Drill Tap Combination Bit Countersink Set Titanium Screw Tap Drill Bit

This is a complex hexagonal shank taps，which is made of M4 M5 M6 M8 M10.
This product is a hole, tapping,
chamfering, one-step, easy to use

Description
: Golden
Material: High Speed Steel 6542
Surface treatment:Titanium Coated
Size: , M4, M5, M6, M8, M10
Suitable For: Iron, cast iron, steel, carbon steel

Features
1. You can save processing steps and time costs, improve efficiency
2. Its a spiral groove, within the processing thread, up to exclude,
and was curled applied internally threaded through holes
3. wear and long life





a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a