The CMT 190.508.41 Solid Carbide Up/Downcut Spiral Bit delivers precision compression cutting for CNC routing applications where clean, chip-free faces on both sides of the workpiece are essential. This 1/2 in. diameter spiral router cutter combines an upcut and downcut geometry - working simultaneously on both faces - to eliminate tearout and splintering in demanding through-cut operations on plywood, MDF, laminates, melamine, and hardwoods. Built entirely from solid micrograin carbide and finished with CMT's DLCS coating, this right-hand rotation bit is engineered for industrial CNC use where tool life and surface quality are non-negotiable.

Key Features

• Solid Carbide Construction (HWM) - manufactured entirely from premium micrograin carbide, delivering superior hardness and wear resistance compared to carbide-tipped alternatives, which means longer tool life between resharpenings and consistent performance across demanding production runs.
• DLCS Chrome Coating - Long Life - DLCS is a modified diamond-like carbon coating with enhanced load-bearing capacity, reducing friction and heat buildup at the cutting edge so the bit stays sharper longer and handles high-duty CNC cycles without premature wear.
• Up/Downcut Compression Geometry (Z2+2) - the 2 upcut and 2 downcut flutes work simultaneously on both faces of the material, producing chip-free surfaces on top and bottom in a single pass - eliminating the need for finish passes or edge cleanup on plywood, MDF, and laminated panels.
• 1/2 in. Shank Diameter - the full 1/2 in. shank provides maximum rigidity and minimal runout in compatible CNC collets and router tables, reducing chatter and improving dimensional accuracy in precision routing applications.
• 1 5/8 in. Cutting Height with 4 in. Total Length - the generous cutting height accommodates a wide range of panel thicknesses, while the 4 in. overall length allows deep reach in CNC through-cut setups without requiring a bit change.
• Right-Hand Rotation - designed for standard right-hand router spindles, ensuring straightforward compatibility with the vast majority of CNC routers and router tables without adapters or special toolholders.

Why This Product

• For CNC operators cutting sheet goods like plywood, melamine, and laminated MDF, the compression spiral geometry eliminates face tearout on both sides simultaneously - removing a common finishing step and reducing waste from ruined panel faces.
• The DLCS modified diamond-like carbon coating is purpose-built for industrial CNC tool demands, offering enhanced load-bearing capacity that extends usable tool life beyond standard uncoated solid carbide bits in high-volume production environments.
• The 2+2 flute configuration (two upcut plus two downcut) balances chip evacuation efficiency with surface quality - keeping cuts clean and channels clear even in dense materials like chipboard and plastic.
• With a 1/2 in. shank and 1 5/8 in. cutting height, this bit is sized for serious production work - capable of handling full-thickness sheet material in a single through-cut pass on professional CNC routing machines and router tables.

Specifications

• Manufacturer Part Number: 190.508.41
• Brand: CMT Orange Tools
• Product Type: Solid Carbide Up/Downcut Spiral Router Bit
• Diameter: 1/2 in.
• Cutting Height: 1 5/8 in.
• Cutting Height (I1): 15/32 in.
• Total Length: 4 in.
• Shank Diameter: 1/2 in.
• Number of Teeth: 2 + 2
• Blade Material: Solid Carbide (HWM)
• Coating: DLCS (Modified Diamond-Like Carbon Coating)
• Rotation: Right-Hand (RH)
• Macro Class: Router Cutter

Approved Applications

• CNC Through-Cuts in Plywood
• CNC Through-Cuts in MDF
• Two-Face Finish Cuts in Laminates and Melamine
• Panel Processing on CNC Routing Machines
• Router Table Through-Cut Operations
• Routing Solid Hardwood and Softwood
• Chipboard and Plastic Routing