This Montolit Diamond Drill Bit kit contains five (5) Montolit FAJ bits. Bits are made in Italy with high quality diamond construction. Bits cabs quickly drill many holes (up to 25 or more) before dulling. Bit can be used on the hardest porcelain, ceramic, natural stone (granite, marble, slate and limestone), terra cotta and glass.
Bit is designed to fit on any 3/8" rotary drill (NOT hammer drill) with a recommended drill speed of 800 rpm minimum. Average drill time is 20 seconds per hole! During drilling, it is necessary to cool the tip using M-PERFORMER coolent or in a cup of water as shown in the product video.
Included sizes:
- No. FAJ05 3/16" (5 mm) Diamond Drill Bit
- No. FAJ06 1/4" (6 mm) Diamond Drill Bit
- No. FAJ08 5/16" (8 mm) Diamond Drill Bit
- No. FAJ10 3/8" (10 mm) Diamond Drill Bit
- No. FAJ12 1/2" (12 mm) Diamond Drill Bit
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