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 tri-flat shank helps prevent bit spin-out in the drill chuck. Reverse-thread spiral helps to provide continuous water lubrication. Cryogenically treated for longer life and faster drilling versus zinc-plated, non-COLDfireÂ® diamond drill bits. For drilling in ceramic tile, porcelain, granite, slate, stone and glass.