Description:
Spiral groove step cone drill bit is made of high quality high quality high speed steel with titanium coated to reduce friction and heat cutting thin iron plates, aluminum materials, insulation plates, PVC boards, etc. Unique step construction allows you to drill holes in various sizes.
Features:
1. Made of high speed steel, hard, wear-resistant and durable.
2.Titanium coated handle reduces friction and heat.
3. Unique step construction allows for various sizes of openings.
4. Compared to regular twist drills, it is not easy to break.
5. Ideal for drilling holes in a variety of materials including: steel, bronze, aluminum etc.
Specifications:
Material: HSS4241 + Cobalt
Surface treatment: titanium plating
Handle Shape: Hex
Handle Diameter: Approx. 0.25in (6.35mm)
Bit Type: 3-12mm, 4-12mm, 4-12mm, 4-20mm, 4-22mm (optional)
Package Includes:
1 x Spiral Groove Step Drill Bit.