kwb 109154 steenborenset, 9-delig, 4/6/8 mm, hardmetaal, DIN 8039

For masons, tilers, and DIY enthusiasts drilling into hard materials like concrete, brick, or natural stone, this 9-piece masonry drill bit set provides the essential diameters in a convenient plastic cassette. The carbide-tipped bits are designed for both rotary and hammer drilling, making them a reliable choice for fastening tasks in masonry.

Key specifications

• Set contents: 3x 4 mm, 3x 6 mm, 3x 8 mm
• Drill bit material: Carbide-tipped (HM)
• Shank type: Cylindrical
• Application materials: Masonry, stone, concrete, brick, natural stone
• Drilling mode: Rotary and hammer drilling
• Standard: DIN 8039
• Total lengths: 75 mm (4 mm), 100 mm (6 mm), 120 mm (8 mm)
• Working lengths: 40 mm (4 mm), 50 mm (6 mm), 80 mm (8 mm)
• Number of cutting edges: 2
• Packaging: Plastic cassette

Why choose it

The robust carbide tips with centering points ensure precise starts and long service life, even in abrasive materials. The set covers the most common diameters for wall plugs and anchors, making it a practical addition to any toolbox.

Ideal use cases

• Installing shelves, curtain rods, and light fixtures on masonry walls
• Drilling holes for dowels and anchors in concrete or brick
• Professional use on construction sites for fastening tasks

Good to know

The bits are compliant with DIN 8039, ensuring compatibility with standard drill chucks. The plastic cassette keeps the bits organized and protected during transport and storage.