GLFILL 7Pc Efficient Universal Drilling Tool Multifunctional Cross-Head Alloy Drill Bit

Features: *It is made of high quality YG6X alloy as raw material. The process of oxynitriding of the cutter head strengthen the drill hardness. *Full-grinding and anti-rust treatment clean and sharp without burrs. The drill bit is more wear-resistant and more durable . *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. *7 different sizes suitable for your different needs.It Can be installed in the general electric hand drill bench drill. Specifications: *Material: Cemented Carbide *Color: As picture show *Size: 3*75mm 4*75mm 5*76mm 6*77mm 7*80mm 8*80mm 10*82mm 12*82mm (Approx.) *Shank: 1/4 Hex *Quantity: 7pcs Package Includes: 7 * Drill Bit (3+4+5+6+8+10+12mm) Notes: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.