Description:
This HSS drill bit set is specially designed for professionals, it suits DIY fans' tool kit as well. These drills are made of hardened heat treated steel, so they are very durable to use.

Features:
1. Made of hardened heat treated steel, very durable to use.
2. They can provide the perfect cut every time, suitable for high speed drill bit.
3. High quality HSS drill bits have reliable performance and durability when drill holes on plastics, aluminum/copper with a thickness of 1mm and many other types of materials.
4. There are 8 different sizes, and comes with a hard wooden packing case, ensure deposit safely and take easily.
5. Suitable for carpenter, builder, electrician, workshop, DIY, domestic crafts, amateurs, stylist,etc.
6. Fit into power tools chuck securely and eliminates slip. 

Specifications:
Material: HSS
Shank Diameter: 1/2inch

Shank Type: Triangle

Surface Treatment: Polishing & Nitrogenization
Size: 14mm, 16mm, 18mm, 19mm, 21mm, 22mm, 24mm, 25mm
Weight: Approx. 1788g
Length: Approx. 150mm / 6inch

Package Include:
1 Set x Twist Drill Bit 

Note:
Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.