WU1-201-20

2 Flute Solid Carbide Upshear Spiral Router — W Precision Spiral Routers for CNC Production

• 2 flute solid carbide upshear (up-cut) spiral router — flutes pull chips UP and out of the cut for maximum chip evacuation in deep slots and pockets
• 30° helix, square end with corner chamfer
• WU1-201 stub length (3/16"–3/4" dia., 2"–4" OAL) and WU1-203 standard length (1/8"–3/4" dia., 1-1/2"–5-1/4" OAL, plus 16mm metric: 16mm dia. × 55mm flute × 118mm OAL)
• Cutting dia. tolerance +.000/−.002 (1/16"–1/4") and +.000/−.003 (9/32"–3/4"); shank dia. −.0001/−.0002; OAL ±.060
• Applications: slotting, side milling, helical interpolation, ramping, roughing, semi-finishing — run dry, wet, cold air, or spray mist
• Materials: wood, aluminum, copper, magnesium, brass, plastics
• Diamond-Like Carbon (DLC) coating available
• Guitar building: the WU1 Series is RobbJack's pick for bodies and shaping, neck and carving (Applications Guide p.194)
• WU1-310 variant: 3 flute, 10° helix, standard length upshear router for aluminum aircraft skins (1/2"–3/4" dia., p.71) — mirror edge, chatter reduction

From the RobbJack Applications Guide.