2 1/2" Diamond Core Drill Bit, 11" Drilling Depth, 45% Cobalt HRC 70 Dry Core Bit with SDS Plus and Hex Adapter, 5/8"-11 Thread, Laser-Welded Segments, Core Bits for Concrete, Masonry, Brick, Mortar
SAR 251
20'' Core Drill Bit Extension, Extension Rod with 1-1/4''-7 UNC Thread, Hexagonal 42Cr4 Steel Core Bit Extension Extension Adapter for Core Drill Bits(1 Pack)
SAR 146
450W Pearl Drilling Machine, 110V Coral Driller Pearl Ounching Machine Bead Drill Speed Adjustable for Stones Crystals Jewelry Making
SAR 428