SDS Plus Quadro Carbide Tip Drill Bits have unique concave carbide tip design, accelerates drilling speed,reduces wear and supports dust removal. Most rigid joints through copper-silver brazing. Carbide is totally embedded in both sides of the steel body. Super tough helix S4 flute. Fastest and most efficient dust removal. Annealed, shot-peened chrome alloy steel to prevent pre-mature fatigue failures, The drill bit meet JB-T8368.1-1996 Standard
â For professional drilling in concrete and masonry
â Proven tungsten carbide tip geometry with a 130° cutting angle offers fast, easy drilling
â The tip is firmly secured to the drill body with high strength, heat-resistant braze material
â A highly efficient S4-flute helix provides rapid dust removal
â For drilling clean, accurate fixing and clearance holes in brick, block and concrete
â Pre-drill a 150mm deep pilot-hole when using bits of 450mm or longer
Drilling materials
Concrete Hollow brick Solid brick Concrete block Natural stone