Feature

●FASTER & SMOOTH CUTTING: The 4 spiral grooves and cutting blades of this step drill bit ensure a faster and smoother cutting experience and a buttery cutting experience
●High Speed:Made with high speed design, this step drill bit is ideal for drilling holes in stainless steel, metal plates, wood, plastic, aluminum, copper and other metal plates
●High Hardness: Surface hardness of 89HRC, this step drill bit can cut harder materials and achieve higher cutting speed
●Diameter: It is designed to drill holes in 9 different sizes from 4mm to 12mm, and features a 1/4" shank for easy compatibility with a variety of drilling machines
●Material: Step drill bits are made of M35 cobalt steel, known for its superior heat resistance, strength and durability


Description

1. FASTER AND SMOOTH CUTTING: The 4 spiral grooves and cutting blades of this step drill bit ensure a faster and smoother cutting experience and a buttery cutting experience.
2.High Speed:Made of high speed design, this step drill bit is ideal for drilling holes in stainless steel, metal plate, wood, plastic, aluminum, copper and other metal plates.
3. High Hardness: Surface hardness of 89HRC, this step drill bit can cut harder materials and achieve higher cutting speed.
4.Material: Step drill bit is made of M35 cobalt steel which is known for its superior heat resistance, strength and durability.
5.Diameter: It is designed to drill 9 different sizes from 4mm to 12mm and has a 1/4" shank which makes it easy to use with a variety of drilling machines.

Specifications:
Item Type: Step Drill Bit
Material: M35 Cobalt
Hole Diameter: 4-5-6-7-8-9-10-11-12mm/0.2-0.3-0.4-0.5in
Shank Diameter: 1/4"

PackageList:
1 x Step Drill Bit.
1 x Storage Box