The SPDD Series Diamond Plated Drill Bits heavy layer of diamond coating enables this bit to drill many holes in glass when maintained and used properly. Glaziers Tip: Although plated, these bits can be sharpened one time with a dressing stone to expose some of the remaining diamonds and extend the working life.
Industries Most Popular Production Glass Drill Bits | Most Commonly Used Sizes are Available | Durable Diamond Plating for a longer life | Designed to be Used Production Style Drilling Machines.
