Diamond Products 2 1/4″ Heavy Duty Orange (H) Dry Core Bit
Our most popular core bit, Heavy Duty Orange gives excellent footage and drilling speed. Very high qualify diamond and longer coring life.
DH bond for block and soft brick (not for use on concrete)
9 In. core length
5/8 In.-11 threaded hub
Jacobs chuck adapter available for hand held rotary drills 5/8 In. to 11 thread to straight shank
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Dry bits are used with intermittent cuts allowing air to cool the bit no water needed