3-12mm Concrete Cobalt Glass Ceramic Drill Bit Set

Product Parameters

Description

Unique design: U-shaped flow groove, spiral handle design, easy to remove chips during work, drilling smoother; 10 pieces drill bit set in 5 different sizes: 3mm x 1, 4mm, 5mm, 2mm, 6mm x 2, 8mm x 2, 8mm x 2, 10mm 4 in x 1 12mm x 1 to meet your different needs
PREMIUM QUALITY - Ceramic drill bit made of premium tungsten carbide and cobalt alloy with reinforced head that prevents cracking and provides a longer service life; Higher hardness than ordinary drill bits, more wear-resistant
PRECISION - Unique cross angle design, sharp spear tip, reduce skating and walking; Great tile drill bit set, extremely clean and fast
QUICK CHANGE - 6mm hex shank fits any power tools more easily and securely; Compatible with milwaukee and other general electric drills, bench drills with locking in the quick-change chuck
Widely used: it is suitable for glass, ceramics, tiles, mirrors, flower pots, wood, porcelain, brick walls, marble, thin iron plates, etc., please try to hold the drill bit vertically and keep the bits cool with cooling water flow