Wet Diamond Core Drill Bit 108mm, 355mm Depth, 1-1/4-7 Thread

Diamond wet core drill bit delivers clean, controlled drilling in concrete and masonry with water-cooled cutting to reduce airborne dust. Built with a laser-welded diamond segment head and carbon steel body, it’s designed for stable performance when coring through reinforced concrete, brick, and similar hard materials. Universal 1-1/4"-7 inner thread fits many water drills and core drill rigs for fast setup on job sites and indoor installs.

Use this wet diamond coring bit when you need accurate openings for air conditioning lines, plumbing and pipeline runs, stair railings, and general construction work. The 108 mm diameter supports common pass-through sizes, while the extended core depth helps reduce repositioning during deeper drilling. For best results, pair with steady water flow and compatible equipment speed/torque settings for the material. Stock up before your next install—grab yours today.