Diamond Core Drill Bit 38mm, 241mm Depth, M16 Thread

Diamond dry core drill bit delivers clean, accurate holes in concrete and masonry while helping reduce wobble for smoother drilling. Designed with an M16 internal thread and a 38 mm (1-1/2 in) diameter, it targets common installation work like HVAC, plumbing, and railing anchors. The set includes adapters and a pilot drill to improve compatibility with many drills and hammer drills, supporting faster setup and fewer tool changes on site.

• Includes 38 mm diamond core bit, 3 adapters, pilot drill, and hex wrench for quick setup


• Fits M16 internal thread setups and works with many standard drills and hammer drills


• Delivers precise starts with the pilot drill—no pre-drilling needed for positioning


• Cuts reinforced concrete, red brick, concrete, and foam brick with smooth, burr-reduced edges


• Resists heat buildup with carbon steel body and laser welding for demanding dry coring

Built for jobsite drilling where speed and control matter, this laser-welded diamond coring bit is suited to common construction and renovation tasks—air conditioning lines, plumbing penetrations, stair rail fixings, and general masonry work. Precision-ground teeth help maintain a stable cutting path during high-speed rotation, supporting cleaner results and less rework. Keep the kit in your toolbox for repeat installations across mixed materials. Grab yours today and stay ready for the next concrete or brick drilling task.

• Diameter: 38 mm (1-1/2 in)


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


• Overall size: 278 x 38 x 38 mm (10.94 x 1.50 x 1.50 in)


• Thread: M16 internal


• Application: Dry coring


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


• Compatible machines: Drills, hammer drills


• Welding method: Laser welding


• Net weight (with accessories): 1.20 kg (2.64 lb)


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