klarako Step Drill Bit - HSS4241 + cobalt 1Pcs 4-22mm

Description:

Spiral Groove Step Cone Drill Bit is made from high quality high speed steel with 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 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: Plating

Handle Shape: Hex

Handle Diameter: Approx. 6.35mm/0.25in

Bit Type: 3-12mm, 4-12mm, 4-20mm, 4-22mm(Optional)

Package Includes:

1 x Spiral Groove Step Drill Bit