Specifications
Multi-purpose Drill Bits*Multi-purposes
*HSS materials
*High quality
*Reasonable prices
Multi-purpose Drill Bits
model:1014
Multi-purpose:Drilling on metal, steel, plastic, wood. cement, stone. tile ,glass and other material.
Do not press with hammer in order to avoid the broken of the tips;
Do not drill on metal material when used on cement or stone;
Please add cooling liquid when drills on met
al, mold, granite, tile and glass, the constant cooling could reach better drilling effect.