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Diamond Coated Twist Drill Bit, #40, 2.489 Millimeters

Product ID: DIB-227.40
Regular Price: $6.95

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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. #40 drill is .0982" (2.489mm) in diameter.

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