1/4″ Shank CNC Spiral Bits
Our largest selection of spiral bits is in the 1/4″ shank size. 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. All *Astra 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
*AstraHP Coated* Bits&Bits 425-DNC375 – 3/8″ Spiral Down Cut CNC Router Bit – 1/4″ Shank
1/4" Shank Spiral Bits
*AstraHP Coated* Bits&Bits 425-SRF375 – 3/8″ Spiral Up Cut CNC Router Bit – 1/4″ Shank
1/4 Inch End Mills
*AstraHP Coated* Bits&Bits 425-SRF250 – 1/4″ Up-Cut Spiral Bit
1/4 Inch End Mills
*AstraHP Coated* Bits&Bits 425-SRF250CB – 1/4″ Up-Cut Chipbreaker
1/4 Inch End Mills
*AstraHP Coated* Bits&Bits 425-DNC250 – 1/4″ Down-Cut Spiral Bit
Spiral Router Bits
*AstraHP Coated* Bits&Bits 425-CM250 – 1/4″ Spiral Compression Bit
1/4 Inch End Mills
*AstraHP Coated* Bits&Bits 425-UP250 – 1/4″ ‘O’ Flute Up-Cut Spiral Bit for Plastic and Aluminum
1/4 Inch End Mills
*AstraHP Coated* Bits&Bits 425-ST250C – 1/4″ Low Helix Up-Cut Spiral Bit
1/4" Shank Spiral Bits
1/4" Shank Spiral Bits
*Astra Coated* Bits&Bits 425-SCN250 – 1/4″ Cove Nose Up-Cut Spiral Bit
Ball End Mill | Ball Nose End Mills
*AstraHP Coated* Bits&Bits 425-SRB250 – 1/4″ Up-Cut Ball Nose Spiral Bit
Ball End Mill | Ball Nose End Mills
Bits&Bits 1/2″ Round Nose Router Bit, 1/4″ Shank – 425-SRB500 *AstraHP Coated*
Ball End Mill | Ball Nose End Mills
Bits&Bits 3/8″ Round Nose Bit, 1/4″ Shank – 425-SRB375 *AstraHP Coated*
1/4" Shank Spiral Bits
*Astra Coated* Bits&Bits SRF4-5MM – 5mm Up-cut CNC Router Bit
1/4 Inch End Mills
*Astra Coated* Bits&Bits SRF43-250AM – 1/4″ Aluminum Series Long Reach 3 Flute End Mill – 1/4″ Shank
1/4 Inch End Mills
*Astra Coated* Bits&Bits SRF43-250AM-3/8 | 1/4″ Aluminum Series 3 Flute End Mill – 1/4″ Shank
1/4 Inch End Mills
*Astra Coated* Bits&Bits SRF43-250GP – 1/4″ General Purpose 3 Flute End Mill
Spiral Router Bits
*AstraHP Coated* Whiteside UD2100 1/4″ Single Flute Compression Spiral Bit
1/4 Inch End Mills
*AstraHP Coated* Bits&Bits 440-SRF250 – 1/4″ Extra Long CNC Bit featuring 2″ Cut Length
Ball End Mill | Ball Nose End Mills
*AstraHP Coated* Bits&Bits 440-SRB250 – 1/4″ Extra Long Ball End Mill
Spiral Router Bits
*Astra Coated* Bits&Bits SRF4-187UP – 3/16″ Up-Cut Spiral Bit – 1/4″ Shank
Spiral Router Bits
*AstraHP Coated* Bits&Bits 425-DNC187 – 3/16″ Down-Cut Spiral Bit