Efficient Universal Drilling Tools

FEATURES HIGH-QUALITY MATERIALS It is made of high quality YG6X alloy as raw material. The process of oxynitriding of the cutter head strengthen the drill hardness. SURFACE ELECTROPHORETIC PAINT PROCESS Full-grinding and anti-rust treatment, clean and sharp without burrs .The drill bit is more wear-resistant and more durable .Fully automated polishing: Polished CNC is fully automated, each one is unified. UNIQUE CROSS ANGLE DESIGN Small incision resistance，feature drilling stably, fast speed, not breaking the border. Opening neat, smooth, no broken edges, no tremor phenomenon, chip easily. WIDE USAGE Professional glass and tile drill bits provide smooth and accurate drilling in ceramic tiles, marble, thin iron plate, mirrors and glass. Remember to add Water or coolant when drilling. SPECIFICATIONS Material: Alloy Weight: 90g Length: 80mm/3.15in Color: Silver, Gold, Black, Bronze PACKAGE INCLUDED 5 pcs/ Efficient Universal Drilling Tools NOTE Please allow slight measurement deviations due to manual measurement. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed in the pictures.