Thinning process (3.0mm or more) ensures firm cutting ability.
Allows you to make beautiful holes in hard-to-cut materials such as iron, aluminum, and stainless steel. Set includes: 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5mm
Material: Drill bit: Cobalt high speed steel + titanium coating, Case: PP
Code: 4341986
