SpeTool 5Pcs Carbide Compression Router Bit Up&Down End Mills 1/8 x 1 inch Cutter for CNC Mill Machine Wookwork 3D Profile Detail Engraver Carving

SpeTool 5Pcs Carbide Compression Router Bit Up&Down End Mills 1/8 x 1 inch Cutter for CNC Mill Machine Wookwork 3D Profile Detail Engraver Carving

UP&DOWN Solid Carbide spiral router bit with 1/8inch shank and 1/8inch cutting diameter, 1 inch cutting length, 2 inch total length The CNC End Mill For Plywood, OAK, MDF, and any hardwood working and Long service life for sharp Spiral bits used for smoothly downcut groove and slots, Mortises, Cycles and dados, Plunge cut leave with clean edge and top surface, better than straight bits The route bit suit for CNC router or any brand plunge router with 1/8” collet Industrial quality control to ensure best performance

The compression cutters are designed with both up and down-cut flutes. The top portion of the length of cut, closest to the shank, has a left hand spiral, forcing chips down. The bottom portion of the length of cut, closest to the end, has a right hand spiral, forcing chips up. When cutting, the opposing flute directions generate counteracting up-cut and down-cut forces. The opposing cutting forces stabilize the material removal, which compresses the composite layers, combatting delamination on the top and bottom of a workpiece.

Since compression cutters do not pull up or press down on a workpiece, they leave an excellent finish on layered composites and lightweight materials like plywood. It is important to note, however, that compression cutters are suited specifically to profiling, as the benefits of the up and down-cut geometry are not utilized in slotting or plunging operations.