... .ST0014-B2-1 Laser Welded Dry Core Bit with Side Electroplated Stripe for Granite 2.1-1/4",1-3/8",M14 ... tools, jewellery tools and industrial tools, like dies, taps, hss or carbide end mills, counter sinks, step drills, cobalt drills, hobs ... , the USA and Australia Laser Welded Dry Core Bit with Side Electroplated Stripe for Granite