Stier diamond core bit M 14 for use on angle grinders. Features: diameter 60 mm, premium quality diamond tile drill. Advantage: drilling without a pilot hole. Applications: granite slabs, stone slabs, porcelain stoneware, ceramics, tiles. Stier products are developed by professionals from crafts and industry, combining high performance with ergonomics. Powerful, durable, long-lasting. Thousands of customers trust the best price-performance ratio. Experience the Stier product range for yourself.