Detailed Product Description Diamond Core BitLaser-welded or silver-brazedApplication: reinforced concrete, masonry, sand-lime brick, granite and marble. Threaded connection: R1/2", UNC1-1/4", 5/8"-11. Barrel depth / Effective length: 12"/305mm, 14"/152mm, 12"/357mm, 16"/406mm. Segment height: 7mm, 9mm, 10mm available. Item No..DiameterSeg. No.SegmentCB121/2"/12mmRing2.5/3.0x9mmCB149/16"/ ...