soft-spoken adjective. âº usually âspeaking in a âquiet âvoice: a soft-spoken, âunderstated âstyle. (Definition of soft-spoken from the Cambridge Academic Content Dictionary Â© Cambridge University Press).
The laser drilling process involves the use of an infrared laser (of surgical grade at a wavelength about 1064 nm) to bore very fine holes (less than 0.2 millimeters or 0.005 inches in diameter) into a diamond to create a route of access to a black carbon crystal inclusion.
The 3 in. Diamond Core Drill Bit with V-Tip for concrete drilling by Archer PRO delivers high performance and long life at affordable prices. This core drill bit is optimized for a wide range of construction materials including concrete, masonry, pavers, bricks and blocks. Constructed with grade A diamond crystals.