Feature

●Drilling Diameter: The drill bit has 9 step design, the hole diameter is 5mm, 7mm, 9mm, 11mm, 13mm, 15mm, 17mm, 19mm, 21mm, meet your different needs
●With 1/4" Shank: This step drill bit has a standard 1/4" shank that can be easily attached to the appropriate power tool and used for stable and reliable use
●M35 COBALT METAL: This spiral flute drill bit is made of M35 cobalt high speed steel with surface hardness of 89HRC, which can quickly cut hard materials
●Applicable materials: It is very suitable for cutting wood, plastic, stainless steel, aluminum plate, copper and other metal plates, convenient and practical
●4 Spiral Flutes: The step drill bit is designed with four spiral flutes to ensure a faster and smoother cutting with a sharp blade which greatly improves the work efficiency


Description

1. Drilling Diameter: Drill bits are 9 step design with hole diameters of 5mm, 7mm, 9mm, 11mm, 13mm, 15mm, 17mm, 19mm, 21mm to meet different needs.
2. 4 Spiral Flutes: Step drill bits are designed with 4 spiral flutes to ensure a faster and smoother cutting with a sharp blade which greatly improves the work efficiency.
3.M35 COBALT METAL: This spiral flute drill bit is made of M35 cobalt high speed steel with surface hardness of 89HRC, which can cut hard materials quickly.
4.Applicable materials: very suitable for cutting wood, plastic, stainless steel, aluminum plate, copper and other metal plates, convenient and practical.
5. With 1/4" Shank: This step drill bit has a standard 1/4" shank that is easy to install and use with appropriate power tools, stable and reliable.

Specifications:
Item Type: Step Drill Bit
Material: M35 Cobalt High Speed Steel
Drilling Diameter: 0.2 inch (5 mm), 0.3 inch (7 mm), 0.4 inch (9 mm), 0.5 inch (13 mm), 0.6 inch (17 mm), 0.7 inch
Shank Diameter: 1/4"

Packing List:
1 x Step Drill Bit
1 x Storage Box