Features:
Made from high quality HSS steel.
With the Titanium coated to reduce friction and heat.
Two-Flute Design for Faster and Smoother Cutting.
Automatically deburrs holes as you drill.
Perfect for home DIY and general building / engineering use.
Suitable for using to cut holes in a variety of materials including steel,
brass, wood, plastic, etc.
The 4 cutters come in the following sizes :
3 - 12mm ,4 - 12mm, 4 - 20mm, 4 - 32mm.
Ideal for using to cut holes in a variety of materials Including
steel, brass, wood, plastic, etc.
Set of 4 for jobs of all sizes.
2 fluted edges for faster, smoother cutting.
3 sided shanks prevent slippage when in chuck.
Made from high quality HSS steel.
Quantity:
3 - 12mm Metric Step Drill Bit
4 - 12mm Metric Step Drill Bit
4 - 20mm Metric Step Drill Bit
4 - 32mm Metric Step Drill Bit
4PCS(3 x Metric Step Drill Bit & 1 x Auto Center Punch).
Caution: When you use this drill bits, the material (eg. steel, brass, wood, plastic, etc) temperature will get very high, please add some water or coolant to avoid the material get smoke when using it