Produce super clean smooth cuts especially in acrylic materials (Plexiglas Lucite) other plastics and wood. Bits are made according to strict tolerances from an exclusive carbide grade. Designed to eject chips up. Ideal for industrial applications and CNC machines. Right hand helix right hand cut, #51762, direction Up-cut, (D) diameter 1/8, (b) Cutting height 1/2, (D) shank 1/4, overall length (L) 2, flutes 2, 51762 Solid Carbide CNC spiral double 'O' Flute, plastic cutting 1/8 dia x 1/2 x 1/4 shank x 2 inch long Up-cut router bit