KWB 159110 HSS Granite Drill Bit Set, 11-Piece, 3-10 mm, Carbide-Tipped, for Stone, Masonry, Concrete

Drilling into hard stone and masonry demands bits that stay sharp and resist heat. The KWB 159110 HSS Granite Drill Bit Set delivers a complete range of carbide-tipped bits for precise holes in granite, natural stone, concrete, and tiles.

Who is it for

Professional tradespeople and serious DIYers who work with hard materials and need reliable, organized drill bits for rotary drilling.

Main features

• 11-piece set covering diameters from 3 mm to 10 mm
• Carbide-tipped HSS bits for high wear resistance and heat tolerance
• Cylindrical shank fits standard drills and cordless drill drivers
• Optimized for hard stone and masonry with precise drilling
• Robust plastic cassette keeps bits organized and protected

Specifications

• Number of pieces: 11
• Drill bit material: High-Speed Steel (HSS)
• Tip material: Carbide
• Shank type: Cylindrical
• Diameter range: 3 mm – 10 mm
• Included diameters: 3 mm, 4 mm, 5 mm, 5.5 mm, 6 mm, 6.5 mm, 7 mm, 8 mm, 9 mm, 10 mm
• Recommended drilling method: Rotary drilling
• Compatible tools: Standard drills, cordless drill drivers
• Suitable materials: Granite, natural stone, masonry, concrete, marble, tiles
• Packaging: Robust plastic cassette

Tips

Use a low speed and moderate pressure when drilling hard stone to extend bit life. Keep the bits clean and dry in the cassette to prevent corrosion.