Great questions! Per the Rubi website description :
"The drilling depth of the FORAGRES diamond drill bits is 1-1/8in. (1.3 in. for diameters of 2-1/4 and 3 in.)."
Max RPM 900 . ** Diameters of 4+ inches have max RPM of 450.
6956 Rubi FORAGRES Wet Diamond Drill Bits
- Product code: 6956
- Manufacturer: Rubi Tools
$52.25 to $125.20
Rubi FORAGRES Wet Diamond Drill Bits
Rubi FORAGRES Features:
- Premium Wet Diamond Drill Bit
- To drill floor tiles, porcelain tiles, granite and marble
- Always use cooled with water and non-hammer electric drill
- 1 5/8” (40 mm.) drill bit, designed for housing of toilet flushing mechanisms
- Drill Depth - 1-1/8 inches
- Max RPM 900 for sizes up to 4 inches
- Max RPM 450 for sizes 4 inches and greater
Question & Answers
Ratings & Reviews
Most Helpful Reviews
Outstanding quality and very long lasting, I've used it many times and cuts keep going clean and smooth as the first day. It was a great investment.