1Pcs Hexagonal Handle Spiral Groove Step Cone Cobalt Drill Bit High Speed Steel(4-12mm)

Description:
Spiral Groove Step Cone Drill Bit is made from high quality high
speed steel with titanium coated to reduce friction and heat, which is used to
cut thin iron plate, aluminum material, insulation plate, PVC plate and more.
Unique step structure make it possible to open various size of holes.
 
Features:
1. Made of high speed steel, hard, wearproof and durable. 
2. Handle with titanium coated, reducing friction and heat.
3. Unique step structure make it possible to open various size of
holes.
4. Compared with ordinary twist drill, not easy to break.
5. Ideal for cutting holes in a variety of materials including
steel, bronze, aluminum and more.
 
Specifications:
Material: HSS4241 + cobalt
Surface Treatment: Titanium Plating
Handle Shape: Hex
Handle Diameter: Approx. 6.35mm/0.25in
 
Package Includes:

Features

1、Made of high speed steel, hard, wearproof and durable.
2、Handle with titanium coated, reducing friction and heat.
3、Unique step structure make it possible to open various size of holes.
4、Compared with ordinary twist drill, not easy to break.
5、Ideal for cutting holes in a variety of materials including steel, bronze, aluminum and more.