Quantity: 19
Size: 0.04 - 0.04 in (1.0 - 10.0 mm)
Material: HSS (high)
Compatible with: Iron, stainless steel, aluminum, non-ferrous metal, plastic, wood.
The tip shape prevents burrs from coming out when drilling.
● Positioning more precise than a special centering chip.
This is a product for business contractors.