Bosch CYL-1 Masonry Drill Bit 4 mm x 75 mm Carbide-Tipped for Concrete, Stone, Masonry 2609255401

Drilling into hard masonry with a standard drill bit often results in slow progress, wandering holes, and premature wear. The Bosch CYL-1 Masonry Drill Bit solves this by combining a carbide tip with an optimized U-flute design, delivering fast dust removal and precise hole placement in concrete, natural stone, and masonry.

Who is it for

This drill bit is ideal for DIYers and professionals who need reliable holes for anchors, dowels, and fixings in masonry and stone. It works with standard corded or cordless drills with a 3-jaw chuck, making it a versatile addition to any toolbox.

Main features

• Carbide-tipped for long life in abrasive materials
• U-flute geometry for efficient dust extraction
• Cylindrical shank fits standard drill chucks
• Conforms to DIN 8039 for consistent quality
• Grey and silver finish for easy identification

Specifications

• Drill bit type: Masonry drill bit
• Diameter: 4 mm
• Working length: 40 mm
• Total length: 75 mm
• Shank type: Cylindrical
• Material compatibility: Masonry, concrete, natural stone, artificial stone
• Tip material: Carbide
• Drill bit geometry: U-flute
• Drilling method: Rotary drilling
• Standard: DIN 8039
• Colour: Grey / Silver
• Packaging quantity: 1 piece

Tips

For best results, start drilling at a slow speed until the bit bites into the material, then increase speed. Use a hammer drill in rotary-only mode for masonry to avoid damaging the carbide tip.