Showing 1–24 of 38 results

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.

Astra Coated 1/4in. Up-Cut spiral bit

*Astra Coated* Bits&Bits 425-SRF250 – 1/4″ Up-Cut Spiral Bit

Rated 5.00 out of 5

$34.50

Astra Coated 1/4in. Down-Cut spiral bit

*Astra Coated* Bits&Bits 425-DNC250 – 1/4″ Down-Cut Spiral Bit

Rated 4.89 out of 5

(9) $34.50

AstraHP Coated Bits & Bits 425-CM250 1/4" Compression CNC router bit

*AstraHP Coated* Bits&Bits 425-CM250 – 1/4″ Spiral Compression Bit

Rated 5.00 out of 5

(1) $46.50

New

Bits & Bits 425-CM250CB AstraHP Coated 1/4" chip breaker

*AstraHP Coated* Bits&Bits 425-CM250CB – 1/4″ Spiral Compression Chip Breaker

$49.50

Astra Coated 1/4" Short Flute Spiral Compression

*Astra Coated* Bits&Bits 425-CM250-SF – 1/4″ Short Flute Spiral Compression Bit

Rated 5.00 out of 5

(3) $44.50

AstraHP Coated Bits & Bits 425-UP250 1/4" 'O' Flute

*AstraHP Coated* Bits&Bits 425-UP250 – 1/4″ ‘O’ Flute Up-Cut Spiral Bit for Plastic and Aluminum

Rated 5.00 out of 5

(2) $35.50

AstraHP Coated Bits & Bits 425-ST250 1/4" Low Helix CNC router bit

*AstraHP Coated* Bits&Bits 425-ST250 – 1/4″ Low Helix Up-Cut Spiral Bit

$35.50

430-ST250 Foam cutter

Bits&Bits 430-ST250 – 1/4″ Foam Cutter Up-Cut Spiral Bit

Rated 5.00 out of 5

(2) $37.50

*Astra Coated* Bits & Bits 1/4" Spiral Cove Nose Bit

*Astra Coated* Bits&Bits 425-SCN250 – 1/4″ Cove Nose Up-Cut Spiral Bit

Rated 5.00 out of 5

(1) $37.50

Astra Coated Bits&Bits 1/4" Ball Nose Spiral bit

*Astra Coated* Bits&Bits 425-SRB250 – 1/4″ Up-Cut Ball Nose Spiral Bit

Rated 5.00 out of 5

(1) $34.50

*Astra Coated* Bits&Bits SRF4-5MM upcut router bit

*Astra Coated* Bits&Bits SRF4-5MM – 5mm Up-cut CNC Router Bit

$37.50

*Astra Coated* Bits&Bits SRF43-250AM – 1/4″ Aluminum Series Long Reach 3 Flute End Mill – 1/4″ Shank

Rated 5.00 out of 5

(1) $42.50

*Astra Coated* Bits&Bits SRF43-250AM-3/8 | 1/4″ Aluminum Series 3 Flute End Mill – 1/4″ Shank

$40.50

Out of stock

*Astra Coated* Bits&Bits SRF43-250CB – 1/4″ 3 Flute Chip Breaker – 1/4″ Shank

$49.50

*Astra Coated* Bits&Bits SRF43-250GP – 1/4″ General Purpose 3 Flute End Mill

$34.50

*Astra Coated* Whiteside UD2100 1/4″ Single Flute Compression Spiral Bit

$47.50

Astra Coated Bits&Bits XL14-420C

*Astra Coated* Bits&Bits XL14-420C Extra Long CNC Bit – 1/4″ x 2″ Cut Length

Rated 5.00 out of 5

(3) $58.99

Astra Coated Bits&Bits XLB14-420C

*Astra Coated* Bits&Bits XLB14-420C – 1/4″ Extra Long Ball End Mill – 4″ OAL x 2″ LOC

$48.99

Astra Coated Bits&BIts 3/16 Spiral Up-cut SRF4-187UP

*Astra Coated* Bits&Bits SRF4-187UP – 3/16″ Up-Cut Spiral Bit – 1/4″ Shank

Rated 5.00 out of 5

(1) $34.50

Astra Coated Bits&BIts 425-DNC187 3/16" down cut spiral router bit

*Astra Coated* Bits&Bits 425-DNC187 – 3/16″ Down-Cut Spiral Bit

$34.50

Astra Coated Bits & Bits 425-CM187 3/16" Compression BIt

*Astra Coated* Bits&Bits 425-CM187 – 3/16″ Spiral Compression Bit

$44.50

*Astra Coated* Bits&Bits SRB4-187UP – 3/16 Ball Nose Up-Cut Spiral Bit – 1/4″ Shank

Rated 5.00 out of 5

(2) $34.50

Astra Coated Bits&Bits SRF4-125UP Upcut CNC router bit

*Astra Coated* Bits&Bits SRF4-125UP – 1/8″ Long Reach Up-Cut Spiral Bit – 1/4″ Shank

$34.50

*Astra Coated* 1/8 Downcut CNC router bit

*Astra Coated* Bits&Bits 425-DNC125 – 1/8″ Down-Cut Spiral 5/8″ LOC x 1/4″ Shank

Rated 4.50 out of 5

(2) $34.50