Description of Efficient Universal Drilling Multifunctional Combination
PACKAGE INCLUDE - 3mm, 3mm, 4mm, 4mm, 5mm, 5mm, 6mm, 6mm, 7mm, 7mm. SURFACE ELECTROPHORETIC PAINT PROCESS - The efficient universal drilling tool is fully polished and anti-rust treatment. Clean and neat without burrs, the drill bit is more wear-resistant and more durable. The polished CNC is fully automatic, and each piece is uniform. UNIQUE CROSS-ANGLE DESIGN-Low resistance to cutting, stable drilling, fast speed and no broken edge. The opening is neat, smooth, no broken edge, no trembling phenomenon, not easy to break. HIGH QUALITY MATERIAL - It is made of high quality YG6X alloy as raw material. Oxy-nitriding process of the bit reinforces the hardness of the drill. WIDE RANGE OF USES-Professional glass and tile drill bits provide smooth and accurate drilling on tile, marble, thin iron plates, mirrors and glass. Remember to add water or coolant when drilling.