Diablo Specialty Masonry Bit DMANS1060 1/2 Inch Diameter Clean Hole (Carbide Tip 3-3/4 Length 3-Flat Shank Ceramic Stone Glass Rotary Drilling)

Diablo DMANS1060 1/2-Inch Carbide-Tipped Tile, Stone, and Glass Rotary Drill Bit

The Diablo DMANS1060 1/2-Inch Carbide-Tipped Specialty Drill Bit features an aggressive multi-ground carbide cutting geometry and a 3-3/4-inch working length to drill clean, breakout-free anchor holes through delicate, dense materials. Engineered specifically for rotary-only drill drivers, this high-precision bit incorporates a proprietary 3-flat Secure-Grip shank that eliminates chuck slippage and rotational spinout under sustained axial pressure. Designed to withstand severe friction heat and thermal shock without cracking brittle workpieces, it equips tile setters, glaziers, and commercial plumbers to bore accurate mounting holes across glazed ceramic, porcelain, natural granite, and architectural glass.

Best Used For:

• Ceramic & Porcelain Tile Fixture Mounting: Boring precision 1/2-inch holes for bathroom grab bars, shower door enclosures, and plumbing rough-ins without chipping surface glaze.
• Granite & Natural Stone Anchor Placement: Drilling accurate anchor points into solid stone backsplashes, vanity slabs, and masonry facades using standard rotary drills.
• Architectural Glass & Mirror Boring: Creating smooth, micro-crack-free pass-through holes in structural glass panels and commercial mirrors under controlled rotational speeds.

Key Performance & Safety Features

• Diablo High-Density Carbide Tip: Resists thermal breakdown and friction-induced wear during continuous rotary drilling in abrasive surfaces.
• Multi-Ground Cutting Edges: Delivers fast, wandering-free starts on smooth tile and polished stone surfaces without requiring center punches.
• 3-Flat Secure-Grip Shank: Machined flats provide positive 3-jaw chuck engagement, eliminating bit spinout and galling under high feed loads.
• Rotary-Only Drilling Optimization: Formulated specifically for rotary operation in standard corded and cordless drill drivers (not for hammer drill impact mode).
• Extended 3-3/4" Shank Reach: Provides ample clearance when boring through thick ceramic substrates and stone wall cladding.

What's Included

• (1) Diablo 1/2" x 3-3/4" Carbide-Tipped Tile, Stone, and Glass Drill Bit (DMANS1060)

Technical Specifications

Pro-Tip: When drilling non-porous glass or polished granite, operate the drill driver at low RPM (under 800 RPM) and apply a light mist of water to the contact zone; water lubrication dissipates friction heat and prevents thermal cracking of the brittle tile glaze.