7Pcs Efficient Universal Drilling Tool Multifunctional Cross Alloy Drill Bit Au

Features: WIDE USAGE Description: Notice: Actual color may be slightly different from the image due to different monitor and light effect

• HIGH-QUALITY MATERIALS
• Efficient Universal Drilling Tool is made of high quality alloy as raw material. The process of oxynitriding of the cutter head strengthen the drill hardness.
• 7 DIFFERENT SIZES
• Suitable for your different needs.Efficient Universal Drilling Tool Can be installed in the general electric hand drill, bench drill.
• The machine drill clamp range is 3/4/5/6/8/10/12mm.
• 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.
• 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.
• Material:Alloy
• Size:3/4/5/6/8/10/12mm.
• 7 x Efficient Universal Drilling Tool(3+4+5+6+8+10+12mm)