Our high-speed twist drills are medium-fine grit with diamond coating on the tips. They can drill stone, ceramic, glass and other hard non-metallic materials. The drills are made of high-grade steel. #52 drill is .0635" (1.613mm) in diameter.
Great for drilling stones, pearls, glass and other jewelry components
Made of superior high grade steel; Medium-fine grit diamond coating
Includes 1 drill bit
#52 diamond drill
.0635 inch (1.613 millimeters)
info:
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