and Smoother Drilling]: The four spiral flutes of this Cobalt Step Drill Bit design ensure and smoother drilling, allowing you to effortlessly cut through metal as if it were butter with a hot knife.
[Wide Range of Drill Sizes]: This 9-step drill bit supports drilling diameters from 4mm to 20mm, providing you with the versatility to tackle various drilling tasks.
[Highly and Long-lasting]: Made from M35 cobalt, this step drill bit is highly and can withstand prolonged use without easily wearing out, ensuring long-lasting performance.
[89HRCHardness]: With ahardness of 89HRC, this step drill bit can effectively drill through harder materials with higher drilling speeds, making it ideal for your metal drilling needs.
[Wide Applications]: This step drill bit is for drilling through stainless steel, metal sheets, wood, plastic, aluminum sheets, copper, and other metal plates, making it a versatile tool for various projects.
Spec:
Item Type: Step Drill Bit
Material: M35 + cobalt
Drilling Diameter: 4 6 8 10 12 14 16 18 20mm
Shank Diameter: 1/4 inch
Package List:
1 x Drill Bit1 x Storage Box