BlackLine Tools Carbide Negative Rake Inserts/Cutters

MINI, MIDI, MAXI Carbide Negative Rake Inserts / Cutters These inserts are designed with a 7-degree bevel angle and a 20-degree chamfer, allowing for shearing actions that result in smoother finishes, especially on challenging materials. They are available in Square, Round, and W configurations. Each insert is precision-ground and polished, ensuring high performance and extended tool life.  - W Inserts: Feature three large radius edges and three corner point cutting edges, ideal for roughing, shaping, and finishing tasks.  - S Inserts: Offer four straight edges and four corners, available with either rounded or 90-degree corners, providing flexibility for various cutting scenarios.  - R Inserts: Provide a continuous 360-degree cutting edge, optimal for shaping and smoothing operations. Note: The W, Round, and Square inserts can be used in a shearing mode by positioning the insert at a 45-degree angle.   INSERTS / CUTTERS MINI - mm MIDI - mm MAXI - mm ROUND OD 10 16 19 SQUARE OD 9.525 12.7 16 W OD 9.525 12.7 16   INSERTS / CUTTERS SIZE THICKNESS BEVEL ANGLE NEG. RAKE MINI M3 3.2 7 degree 7deg / 20 chamfer MIDI M4 3.2 7 degree 7deg / 20 chamfer MAXI M5 3.2 7 degree 7deg / 20 chamfer