Adjustable Grooving Insert CNC Router Bits
RC-2340 CNC Insert Adjustable Grooving 120mm Dia x 4-15.5mm x 3/4 Shank
Hard wearing steel body complete with tungsten carbide knives and scorer for improved finish. Suitable for producing various thickness grooves and slots in softwood, hardwood and man-made boards (with or without coating). Cutting width can be adjusted in 0.1mm steps by using supplied spacer rings. Replaceable inserts ensure a constant cutting diameter and finish quality. For use on routers and machining centers with CNC control.
It can work both directions, you would get better surface with “CLIMB” cut, but it will also give you slight increase in abrasion.