Minotaur Diamond Core Red Drill Bit Three Builder Jobsite Set 67699. For fast, clean cutting and drilling in masonry, bricks or blocks, look no further than this Minotaur diamond core drill set. Supplied with accessories and a handy carry case, you’ll be ready for a range of jobs – the kit includes 38mm, 52mm and 117mm diamond core drill bits suitable for wet and dry cutting. Three diamond core drills – 38mm, 52mm and 117mm. Fast and clean drilling into masonry, bricks or blocks. Includes accessories and carry case for easy storage. Suitable for wet and dry cutting. High diamond concentration for longer life. Slotted barrels for faster waste removal. Not suitable for hammer/impact function during drilling. 38mm, 52mm & 117mm dry diamond core drills. SURCHARGE MAY APPLY FOR NORTHERN IRELAND, SCOTTISH HIGHLANDS AND CHANNEL ISLANDS.