Diamond Core Drill Bit 64mm, 241mm Depth, M16 Set

Diamond dry core drill bit helps you cut clean, accurate holes in reinforced concrete and masonry with less wobble and faster positioning. The 64 mm (2-1/2 in) diameter and 241 mm (9-1/2 in) max drilling depth handle common installation work, while the M16 internal thread plus included adapters fit many drills and hammer drills. Laser-welded construction and precision-ground teeth support smooth edges and consistent performance in dry or wet use.

• Includes 64 mm core bit, 3 adapters, pilot drill, and hex wrench to cover common setups fast


• Delivers quick, accurate starts with the pilot drill—no pre-drilling needed for cleaner positioning


• Resists wobble with precision-ground teeth aligned to the axis for stable high-speed rotation


• Handles tough materials including reinforced concrete, red brick, concrete, and foam brick


• Supports dry or wet operation with laser welding designed to reduce segment loss under heat

Built for trade installs and renovation work, this coring bit set is a practical choice for air-conditioning passthroughs, plumbing penetrations, stair railing anchors, and general construction drilling. The universal M16 internal thread and adapter set reduce guesswork when switching between tools, keeping your workflow moving on-site. Use steady pressure and proper PPE for best results, and clear dust frequently during dry drilling. Grab yours today and keep a ready-to-go coring setup in your kit.

• Diameter: 64 mm (2-1/2 in)


• Max drilling depth: 241 mm (9-1/2 in)


• Overall size: 278 x 63 x 63 mm (10.94 x 2.48 x 2.48 in)


• Thread: M16 internal


• Welding method: Laser welding


• Compatible machines: Drills, hammer drills


• Compatible materials: Reinforced concrete, concrete, red bricks, foam bricks


• Net weight (with accessories): 1.54 kg (3.39 lb)


• In the box: Core bit, 3 adapters, pilot drill, hex wrench