diamond segment concrete Our company specialized in producing different kinds of diamond tools Specifications: Diamond segments with Cuspate Top of drill bits diameter 1-1/4" - 5" provide smooth and fast drilling. Applications: Kinds of granite or hard stone. Welding Type: Silver welding. Wet or Dry Use. Avantage 1.High effciency, long life and no breaking of segments. 2.Sizes of adaptor for threaded bit:M14,M16, G1/2",5/8"-11. 3.Applicable for drilling of granite stone slab, tile, etc. 4.Stable function and performance when drilling the granite stone slab, tile, etc. Pictures of our products Factory and package Contact way