7 cái Tường Gạch men Kính Khoan 1/4 Chuôi Lục Giác Bộ cho Chucks Bit Giá Đỡ-quốc tế

Features : Ideal for drilling holes in bathroom tiles, or wall mirrors Strong toughness and wear resistance, can be installed in the hand drill, electric drill. 1/4" Hex shank for chucks and bit holder No chattering, novice easy to locate. Small cutting resistance, improve the trepanning speed Decorative, chip easily be clean Provide smooth, accurate drilling in ceramic tile, marble, china, mirrors and glass High quality carbide with a reinforced head that prevents bit cracking and provides a longer life Note: 1. must use with coolant (water turpentine oil or gas) 2.Due to the light and screen difference, the item's color maybe slightly different from the pictures. Please understand. 3.Please allow 1-2cm differences because of the manual measurement.