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1/4″ Shank Spiral CNC/Router Bits
Our largest selection of spiral bits is in the 1/4″ shank size and can be used on CNC machines, hand routers and router tables. Available in tip diameters ranging from 1/16″ to 1/4″, our spiral bits come in a multitude of different cuts and flute or cutting lengths. AstraHP Coated (unless noted), all ready to produce the cleanest cuts on your Onefinity, Shapeoko, X-carve, Shaper Origin, or your favorite hand router as well.
1/4" Shank Spiral Bits
1/4″ Spiral Compression Chip Breaker – AstraHP Coated – Bits&Bits (425-CM250CB)
1/4" Shank Spiral Bits
1/4″ Short Flute Spiral Compression Bit – AstraHP Coated – Bits&Bits (425-CM250SF)
1/4" Shank Spiral Bits
1/4″ Low Helix Up-Cut Spiral Bit – AstraHP Coated – Bits&Bits (425-ST250C)
1/4" Shank Spiral Bits
1/4″ Cove Nose Up-Cut Spiral Bit – Astra Coated – Bits&Bits (425-SCN250)
1/4" Shank Spiral Bits
1/4″ Aluminum Series Long Reach 3 Flute End Mill – Astra Coated – Bits&Bits (SRF43-250AM)
1/4" Shank Spiral Bits
1/4″ Single Flute Compression Bit – AstraHP Coated – Whiteside (UD2100)
Extra Long CNC Bits (End Mills)
1/4″ Extra Long CNC Bit – AstraHP Coated – Bits&Bits (440-SRF250)
1/4" Shank Spiral Bits
1/4″ Extra Long CNC Ball Nose Bit – AstraHP Coated – Bits&Bits (440-SRB250)
1/4" Shank Spiral Bits
3/8″ Up-Cut Spiral Bit x 1/4″ Shank – AstraHP Coated – Bits&Bits (425-SRF375)
1/4" Shank Spiral Bits
3/8″ Down-Cut Spiral Bit x 1/4″ Shank – AstraHP Coated – Bits&Bits (425-DNC375)
1/4" Shank Spiral Bits
3/8″ Spiral Ball Nose Bit x 1/4″ Shank – AstraHP Coated – Bits&Bits (425-SRB375)
1/4" Shank Spiral Bits
3/8″ Spiral Bowl and Tray Bit x 1/4″ Shank – AstraHP Coated – Bits&Bits (425-BT375)
1/4" Shank Spiral Bits
1/2″ Spiral Ball Nose Bit x 1/4″ Shank – AstraHP Coated – Bits&Bits (425-SRB500)
1/4" Shank Spiral Bits
1/2″ Spiral Bowl and Tray Bit x 1/4″ Shank – AstraHP Coated – Bits&Bits (425-BT510)
1/4" Shank Spiral Bits
1/8″ Long Reach Up-Cut Spiral Bit – AstraHP Coated – Bits&Bits (425-SRF125LR)
1/4" Shank Spiral Bits
1/8″ Long Reach Down-Cut Spiral Bit – AstraHP Coated – Bits&Bits (425-DNC125LR)
1/4" Shank Spiral Bits
1/8″ Long Reach Spiral Compression Bit – AstraHP Coated – Bits&Bits (425-CM125LR)
1/4" Shank Spiral Bits
1/8″ Low Helix Up-Cut Spiral Bit – AstraHP Coated – Bits&Bits (425-ST125C)
