Masonry Drill Bit Set for Tile, Glass, Ceramic, Brick, Wood, 3/16 to 1/2 Inch Drill Bits, Hexagonal Handle, Carbide Tipped.(5PCS 3/16"(5mm)-1/2" (12mm

Masonry Drill Bit Set for Tile, Glass, Ceramic, Brick, Wood, 3/16 to 1/2 Inch Drill Bits, Hexagonal Handle, Carbide Tipped.(5PCS 3/16"(5mm)-1/2" (12mm

Multifunctional Package：5 pcs drill bit set with 5 different sizes: that is 3/16” (5mm),1/4” (6mm), 5/16” (8mm) ,3/8” (10mm), 1/2” (12mm) fit your different needs. Serrated Drill Bits are widely used: can be used to drill holes in walls, ceramic flower pots, bricks, wood, glass, mirrors, ceramic tiles, stainless steel, hard plastics, concrete and so on. No need to add water or coolant when drilling. Hexagonal shank non-slip, stable installation: hexagonal shank non-slip structure, suitable for electric drills, impact drills and other tools, installed firmly without loosening, handheld operation is more stable, reducing the risk of slippery Threaded chipformer, anti-clogging and smoother: The spiral threaded chipformer design expands the chipformer channel and cooling space, and the chips are discharged quickly when drilling, avoiding jamming and guaranteeing the smoothness of operation. Multi-tooth cross blade, hole wall more smooth: multi-tooth cross eccentric blade layout, cutting to form a unique trajectory, hole wall cutting more delicate and smooth, to meet the needs of home furnishing, engineering and other fine drilling. Material：hard alloy steel Cutting Diameter:0.25inch Shank Type:Hex Brand: omnibearing Tool Flute Type:Spiral