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DB85 – Concrete Hole Saw Drill Bit – 85mm Diameter – 110mm Length – Core Drill Bit
$26.41
This 85mm concrete core hole saw drill bit (110mm length) with YG10 carbide tip provides fast, precise drilling through concrete, masonry, and brick. Durable design ensures long-lasting performance.
85mm Concrete Core Hole Saw Drill Bit – 110mm Length – YG10 Carbide Tipped for Masonry & Brick
Carbide-tipped core bit for fast, clean openings in brick and concrete—ideal for HVAC/AC pipe, junction boxes, and pass-throughs.
Features
- Heavy-duty steel body (45#) with YG6 carbide-tipped cutting teeth
- Sand-blasted finish; smooth inner/outer welds via high-frequency welding for durability
- Segmented alloy tooth pattern shares the load—reduced chipping, longer life
- Accurate engagement and clean appearance; designed for hammer drilling
Specifications
- Materials: 45# steel body & YG6 carbide tips
- Surface treatment: sand blasting
- Cutting diameter: 85 mm (≈ 3.35″)
- Core bit body length / cutting depth: ~72 mm
- Shank: SDS-Plus adapter, length 110 mm
- Suitable for: brick, concrete walls, masonry; common for A/C openings
Package Included
- 1 × 85 mm Concrete Hole Saw (core bit)
- 1 × SDS-Plus Connecting Rod (110 mm)
- 1 × Center Pilot Bit
- 1 × Wrench
Notes & Tips
- Use with a rotary hammer in hammer mode (SDS-Plus only). Not for SDS-Max chucks.
- Avoid rebar where possible; striking rebar can damage carbide teeth.
- Start perpendicular, use steady feed; clear dust periodically for cooling and faster cutting.
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