Specification:
Item Type: Step Drill Bit
Material: M35 Cobalt High Speed Steel
Drilling Diameter: 5mm, 7mm, 9mm, 11mm, 13mm, 15mm, 17mm, 19mm, 21mm
Shank Diameter: 1/4 Inch
Features:
1DRILLING DIAMETER: The drill bit is 9 steps design, with drilling diameter of 5mm, 7mm, 9mm, 11mm, 13mm, 15mm, 17mm, 19mm, 21mm, to meet different needs. 24 SPIRAL FLUTES: The step drill bit is 4 spiral flutes design, the incisive blades ensure faster and smoother cutting, greatly improving work efficiency. 3M35 COBALT METAL: This spiral flute drill bit is made of M35 cobalt high speed steel with a surface hardness of 89HRC, and can quickly cut hard materials. 4APPLICABLE MATERIAL: Very suitable for cutting wood, plastic, stainless steel, aluminum plate, copper, and other metal plates, convenient and practical. 5WITH 1/4 INCH SHANK: This step drill bit has a standard 1/4 inch shank, which can be easily installed on the appropriate power tools to use, stable and reliable.
Package List:
1 x Step Drill Bit
1 x Storage Box
