Features
Spiral groove improves sharpness.
Demonstrates outstanding ability with its unique cutting blade configuration.
Can drill holes of different diameters with one piece.
There is no blurring, and holes can be drilled accurately.
Can be used for multiple purposes such as deburring, widening holes, and chamfering.
No center punch required.

Use
Work material: Iron 2mm or less, stainless steel 1.6mm or less, aluminum, copper, plywood, plastic, etc.
Electrical and electrical installation work.
Automobile repair, sheet metal.
Hobby, DIY, etc.

Specification
Step width (mm): 5
Number of steps (steps): 9
Number of teeth (pieces): 2
Shank shape: Hexagonal shaft (6.35mm)
Shank diameter (mm): 6.35
Drilling dimensions (): 4, 5, 6, 7, 8, 9, 10, 11, 12
Total length (mm): 70
Surface treatment: Titanium coating
Drilling dimensions (mm): 4, 5, 6, 7, 8, 9, 10, 11 , 12

Specification2

Material/Finish
Cobalt high speed steel

Set contents/accessories
None

caution