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Core Bits

MK-Dry Bits
Premium Grade Bits for Masonry
MK-Dry Bits
Standard Grade Bits for Masonry

MK Dry Core Bits are specifically designed to tackle a variety of soft brick and concrete block drilling operations. They feature laser-welded technology and inventive bar-slot cooling to promote efficiency, reliability and safety. MK Dry Cutting Bits are 10" in length, come with standard 5/8"-11 threaded nuts, and easily attach to most hand-held drills.

Diameter* Min 
Amps
Max/Min
RPM
Premium
1" (25mm) 6 6000/2300 158661
1-1/4" (32mm) 6 6000/2300 158662
1-1/2" (38mm) 6 6000/2300 158663
1-3/4" (44mm) 7 5000/1600 158664
2" (51mm) 7 5000/1200 158665
2-1/4" (57mm) 7 5000/1200 158666
2-1/2" (64mm) 7 5000/800 158667
3" (76mm) 10 5000/800 158668
3-1/2" (83mm) 10 5000/700 158669
4" (102mm) 10 5000/700 158670
4-1/2" (114mm) 10 5000/700 158671
5" (127mm) 10 5000/700 158672
6" (152mm) 10 2500/600 158710
Segment Height 7.5mm
Drilling Depth 9-1/4"
*Additional diameters available upon request.
Diameter* Min 
Amps
Max/Min
RPM
Standard
1" (25mm) 6 6000/2300 155937
1-1/4" (32mm) 6 6000/2300 155938
1-1/2" (38mm) 6 6000/2300 155939
1-3/4" (44mm) 7 5000/1600 156316
2" (51mm) 7 5000/1200 155940
2-1/4" (57mm) 7 5000/1200 155941
2-1/2" (64mm) 7 5000/800 155942
3" (76mm) 10 5000/800 155943
3-1/2" (83mm) 10 5000/700 155944
4" (102mm) 10 5000/700 155945
4-1/2" (114mm) 10 5000/700 155946
5" (127mm) 10 5000/700 155947
6" (152mm) 10 2500/600 155948
Segment Height 7.5mm
Drilling Depth 9-1/4"
*Additional diameters available upon request.
MK-Dry Premium

MK-Dry Standard