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.
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
Compression CNC Router Bits
*Astra Coated* Bits&Bits 425-CM187 – 3/16″ Spiral Compression Bit
Ball End Mill | Ball Nose End Mills
*Astra Coated* Bits&Bits SRB4-187UP – 3/16 Ball Nose Up-Cut Spiral Bit – 1/4″ Shank