Step Drill Bit 1pc 3-12/4-12/4-20/4-32 Blue Coated Core Hole Cutter for Wood/Metal Cone Drill Bit Drilling Tool 1Pcs(Hex Straight 4-12)
Special Features
- Combination Drill & Taps
- 1. HSS Hex Shank Pagoda Step Drill Bit from 4-20mm
- 2. This is HSS High Speed Steel Step Drill, which is made from high quality HSS steel, and with the coated to reduce friction and heat.
- 3. It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc
- 4. Usually used to mark the center of a point, the small dimple guide the tip of the drill and avoids slip or deviation which result in damaging.
- 5. The ladder of its structure, a bit can open a variety of specifications of aperture
Description
Combination Drill & Taps
Step Drill Bit 1pc 3-12/4-12/4-20/4-32 Blue Coated Core Hole Cutter For Wood/Metal Cone Drill Bit Drilling Tool 1Pcs
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