
These bits are specially formulated for hard aggregate (river rock/granite) and heavy steel.
Use wet only. Sizes 3/8" to 24". Bits 3/8" to 1 3/4" are crowned (no double-pointed segments). Bits 1 7/8" and larger are segmented.
Core Travel: 14" for bits up to 14" in diameter, 20" for 16" and 18" diameter bits, and 24" for 20" and 24" in diameter bit.
C51's that are 1 1/2" and smaller are threaded for a 5/8"-11 spindle. C51's 1 5/8" and larger are threaded for a 1 1/4" - 7 spindle.