Husqvarna Core Drill Bit 592881012 6 Inch Vari Drill B30 (1-1/4 7 Threaded Hub Wet Concrete Rebar Masonry Hole Coring)

Husqvarna 592881012 B30 6-Inch Vari-Drill Diamond Core Drill Bit

The Husqvarna 592881012 B30 is a 6-inch diameter by 14-inch drilling depth wet diamond core drill bit engineered to penetrate medium-to-hard concrete, heavy steel rebar reinforcement, brick, and structural masonry without bit binding or segment shearing. Formulated with a medium-hard bond matrix and laser-welded straight segments measuring 2/5-inch (0.4-inch) in total height with 3/10-inch (0.3-inch) diamond depth, this silver-grade coring tool optimizes pressurized water flow to cool the cutting rim and flush slurry out of deep cuts. Built for use with handheld core motors or rig stands via its standard 1-1/4-inch-7 UNC threaded hub, it provides chatter-free pilot entry, fast penetration rates, and extended tool life across commercial HVAC, plumbing, electrical, and structural modifications.

Best Used For:

• Commercial HVAC & Drainage Pipe Sleeves: Coring precise 6-inch clearance passages through concrete floor slabs, tilt-up walls, and masonry blocks for main drain lines, exhaust flues, and large utility ducting.
• Heavy Rebar-Reinforced Structural Coring: Slicing cleanly through embedded structural steel rebar gridwork and wire mesh inside bridge decks, parking garage slabs, and industrial foundations.
• High-Speed Wet Coring Rig Operations: Operating under continuous pressurized water delivery using handheld or rig-mounted core motors to manage heat and prevent segment glazing.

Key Performance & Safety Features

• Rebar-Optimized Medium-Hard Bond: Engineered bond matrix preserves cutting speed and resists premature wear when encountering medium-to-high steel reinforcement and wire mesh.
• Laser-Welded Straight Segments: High-strength laser welding anchors the straight segments to the steel barrel to withstand thermal expansion and high rotational torque.
• Lightweight Thin-Wall Tube Construction: Reduced wall mass minimizes rotational friction drag and operator fatigue during handheld core motor use.
• 2/5-Inch Total Segment Height: Formulated with a 0.3-inch diamond matrix layer over a 0.1-inch segment base for extended cutting life cycles.
• Standard 1-1/4"-7 UNC Threaded Hub: Heavy-duty female thread connection ensures positive power transfer and high stability on commercial core rigs.

What's Included

• (1) Husqvarna Vari-Drill B30 6" Wet Diamond Core Bit (Model 592881012)

Technical Specifications

Pro-Tip: Maintain steady, pressurized water delivery while coring to flush heavy slurry out of the 14-inch thin-wall barrel, keeping the laser-welded straight segments cool and free of glaze when cutting through dense rebar gridwork.