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Spiral Router Bits

(264 Products)

CNC Router Tools & CuttersI

Spiral router bits are a huge help for improving or tuning performance on a CNC router. Depending on which way the spiral goes [up or down], you get a cutter that either moves the waste in the direction of the spiral. The direction of the waste also exerts a force on the workpiece in the same directions.  So, an up-cut router bit will move the chips up and clear the cut well, but it will tend to pull up on the workpiece [so the clamping needs to be better and it has the disadvantage that it wants to pull up and has a tendency to cause break out along the top edge.]

Why should I choose a down-cut router bit for my CNC?
For wood and materials that may chip, a down cut is cutting into the material, not lifting it; as the downcut pushes down, it gives a cleaner finished edge on top, but can break out the bottom edge. If you are working with spoil boards and backing jigs it's not problem. The down-cut also increases work pressure helping to keep the workpiece firmly on the table. The disadvantage to them is that they force the chips down to the bottom of the slot or pocket, which is far from ideal. Think about using a downcut for a final finish pass where there is less waste to clear and you want the best finish. 

 

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  1. CMT 188 Upcut Spiral Bit HSS D=10 l=14 S=8
    CMT part no:188.100.51 CMT 188 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    In Stock
    List £20.60
    £13.68
    Inc Vat £16.42
  2. CMT 188 Upcut Spiral Bit HSS D=12 l=14 S=8
    CMT part no:188.120.51 CMT 188 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    Lead Time: 29 Days
    List £20.60
    £14.16
    Inc Vat £16.99
  3. CMT 188 Upcut Spiral Bit HSS D=3 l=12 S=8
    CMT part no:188.030.51 CMT 188 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    In Stock
    List £14.88
    £8.74
    Inc Vat £10.49
  4. CMT 188 Upcut Spiral Bit HSS D=4 l=12 S=8
    CMT part no:188.040.51 CMT 188 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    In Stock
    List £14.88
    £9.30
    Inc Vat £11.16
  5. CMT 188 Upcut Spiral Bit HSS D=4 l=40 S=8
    CMT part no:188.041.51 CMT 188 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    Lead Time: 29 Days
    List £26.33
    £18.40
    Inc Vat £22.08
  6. CMT 188 Upcut Spiral Bit HSS D=5 l=14 S=8
    CMT part no:188.050.51 CMT 188 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    In Stock
    List £14.88
    £9.30
    Inc Vat £11.16
  7. CMT 188 Upcut Spiral Bit HSS D=5 l=40 S=8
    CMT part no:188.051.51 CMT 188 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    In Stock
    List £26.33
    £18.40
    Inc Vat £22.08
  8. CMT 188 Upcut Spiral Bit HSS D=6 l=14 S=8
    CMT part no:188.060.51 CMT 188 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    In Stock
    List £14.88
    £9.78
    Inc Vat £11.74
  9. CMT 188 Upcut Spiral Bit HSS D=6 l=40 S=8
    CMT part no:188.061.51 CMT 188 series upcut spiral bit for aluminium 5%CO premium solid HSS L= 100mm I= 40mm D= 6mm ...
    In Stock
    List £26.33
    £18.40
    Inc Vat £22.08
  10. CMT 188 Upcut Spiral Bit HSS D=7 l=14 S=8
    CMT part no:188.070.51 CMT 188 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    Lead Time: 29 Days
    List £14.88
    £9.78
    Inc Vat £11.74
  11. CMT 188 Upcut Spiral Bit HSS D=8 l=14 S=8
    CMT part no:188.080.51 CMT 188 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    In Stock
    List £14.88
    £9.78
    Inc Vat £11.74
  12. CMT 188 Upcut Spiral Bit HSS D=8 l=40 S=8
    CMT part no:188.081.51 CMT 188 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    In Stock
    List £26.33
    £18.40
    Inc Vat £22.08
  13. CMT 188 Upcut Spiral Bit HSS D=9 l=14 S=8
    CMT part no:188.090.51 CMT 188 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    Lead Time: 29 Days
    List £20.60
    £13.68
    Inc Vat £16.42
  14. CMT 189 Upcut Spiral Bit HSS D=10 l=70 S=10
    CMT part no:189.101.51 CMT 189 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    In Stock
    List £35.48
    £20.87
    Inc Vat £25.04
  15. CMT 189 Upcut Spiral Bit HSS D=10 l=96 S=10
    CMT part no:189.100.51 CMT 189 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    In Stock
    List £35.48
    £20.87
    Inc Vat £25.04
  16. CMT 189 Upcut Spiral Bit HSS D=4 l=46 S=8
    CMT part no:189.040.51 CMT 189 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    Lead Time: 29 Days
    List £21.76
    £14.98
    Inc Vat £17.98
  17. CMT 189 Upcut Spiral Bit HSS D=5 l=35 l1=14 S=8
    CMT part no:189.051.51 CMT 189 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    Lead Time: 29 Days
    List £24.04
    £16.68
    Inc Vat £20.02
  18. CMT 189 Upcut Spiral Bit HSS D=5 l=35 l1=18 S=8
    CMT part no:189.050.51 CMT 189 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    Lead Time: 29 Days
    List £19.46
    £13.54
    Inc Vat £16.25
  19. CMT 189 Upcut Spiral Bit HSS D=5 l=55 l1=16 S=8
    CMT part no:189.052.51 CMT 189 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    Lead Time: 29 Days
    List £22.90
    £14.98
    Inc Vat £17.98
  20. CMT 189 Upcut Spiral Bit HSS D=6 l=45 S=8
    CMT part no:189.060.51 CMT 189 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    Lead Time: 29 Days
    List £21.76
    £14.98
    Inc Vat £17.98
  21. CMT 189 Upcut Spiral Bit HSS D=8 l=55 S=8
    CMT part no:189.081.51 CMT 189 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    In Stock
    List £20.60
    £13.76
    Inc Vat £16.51
  22. CMT 189 Upcut Spiral Bit HSS D=8 l=68 S=8
    CMT part no:189.080.51 CMT 189 series upcut spiral bit for aluminium 5%CO premium solid HSS 1 upcut spiral cutting edge ...
    In Stock
    List £24.04
    £16.68
    Inc Vat £20.02
  23. CMT 190 Compression Spiral Bit D=12.7 I=28.5 L=76
    CMT part no:190.815.11 Spiral Router Cutter Z3+3 Hwm D=12.7x6-28.5x76 Dx
    In Stock
    List £143.10
    £58.20
    Inc Vat £69.84
    As low as £62.86
  24. CMT 190 DLCS Spiral 2+2 D=12.7 I=25.4 L=76 12 S=12
    CMT part no:190.505.41 Spiral Router Cutter Z2+2 Hwm D=12.7x12-25.4x76 Dx SOLID CARBIDE UP & DOWNCUT Compression Spiral Router ...
    Lead Time: 23 Days
    List £138.52
    £55.95
    Inc Vat £67.14
    As low as £60.43
  25. CMT 190 DLCS Spiral Bit  D=12.7 I=35 L=89 S=12.7
    CMT part no:190.507.41 Spiral Router Cutter Z2+2 Hwm D=12.7x12-35x89 Dx ( SOLID CARBIDE UP & DOWNCUT Compression Spiral Router ...
    Lead Time: 23 Days
    List £160.27
    £64.65
    Inc Vat £77.58
    As low as £69.83
  26. CMT 190 DLCS Spiral Bit D=12.7 I=22 L=76 S=12.7
    CMT part no:190.515.41 Spiral Router Cutter Z2+2 Hwm D=12.7x5.2-22x76 Dx SOLID CARBIDE UP & DOWNCUT Compression Spiral Router ...
    In Stock
    List £138.52
    £55.95
    Inc Vat £67.14
    As low as £60.43
  27. CMT 190 DLCS Spiral Bit D=12.7 I=28.5 L=76 S=12.7
    CMT part no:190.815.41 Spiral Router Cutter Z3+3 Hwm D=12.7x6-28.5x76 Dx SOLID CARBIDE UP & DOWNCUT Compression Spiral Router ...
    Lead Time: 23 Days
    List £160.27
    £64.65
    Inc Vat £77.58
    As low as £69.83
  28. CMT 190 DLCS Spiral Bit D=12.7 I=35 L=89 S=12.7
    CMT part no:190.517.41 Spiral Router Cutter Z2+2 Hwm D=12.7x5.2-35x89 Dx SOLID CARBIDE UP & DOWNCUT Compression Spiral Router ...
    Lead Time: 23 Days
    List £160.27
    £64.65
    Inc Vat £77.58
    As low as £69.83
  29. CMT 190 DLCS Spiral Bit D=9.52 I=25.4 L=76 S=9.52
    CMT part no:190.813.41 Solid Carbide Spiral Cutter Z3+3 Hwm D=3/8"x1"x3" SOLID CARBIDE UP & DOWNCUT Compression Spiral Router ...
    Lead Time: 23 Days
    List £127.07
    £51.75
    Inc Vat £62.10
    As low as £55.90
  30. CMT 190 DLCS Spiral Bit D=9.52x4.8 I=22 L=76  10pk
    CMT part no:190.513.41-X10 Downcut Spiral Bit Z2+2 Hwm D=9.52x3.4 Dx (10 Pcs Bulk Pack) SOLID CARBIDE UP & DOWNCUT Compression...
    Lead Time: 23 Days
    List £902.10
    £498.00
    Inc Vat £597.60
    As low as £537.84
  31. CMT 190 DLCS Spiral Bit D=9.52x4.8 I=22 L=76 S=9.5
    CMT part no:190.513.41 Spiral Router Cutter Z2+2 Hwm D=9.52x4.8-22x76 Dx SOLID CARBIDE UP & DOWNCUT Compression Spiral Router ...
    Lead Time: 23 Days
    List £108.76
    £44.10
    Inc Vat £52.92
    As low as £47.63
  32. CMT 190 DLCS Spiral Bit Z2+2 D=10x7 I=32 L=80 S10
    CMT part no:190.100.41 Downcut Spiral Bit Z2+2 Hwm D=10x7-32x80 Dx (dlcs) SOLID CARBIDE UP & DOWNCUT Compression Spiral Router ...
    Lead Time: 23 Days
    List £111.05
    £40.80
    Inc Vat £48.96
    As low as £44.06
  33. CMT 190 DLCS Spiral Bit Z2+2 D=10x7 I=42 L=90 S=10
    CMT part no:190.101.41 Up/downcut Spiral Bit Z2+2 Hwm D=10x7-42x90 Dx (dl SOLID CARBIDE UP & DOWNCUT Compression Spiral Router ...
    In Stock
    List £116.77
    £45.45
    Inc Vat £54.54
    As low as £49.09
  34. CMT 190 DLCS Spiral Bit Z2+2 D=12 I=42 L=90 S=12
    CMT part no:190.120.41 Solid Carbide Up & Downcut Spiral Bits- Dlcs Chrom SOLID CARBIDE UP & DOWNCUT Compression Spiral Router ...
    In Stock
    List £155.69
    £50.25
    Inc Vat £60.30
    As low as £54.28
  35. CMT 190 DLCS Spiral Bit Z2+2 D=12 I=52 L=100 S=12
    CMT part no:190.121.41 Solid Carbide Up & Downcut Spiral Bits- Dlcs Z2+2 SOLID CARBIDE UP & DOWNCUT Compression Spiral Router ...
    In Stock
    List £161.41
    £54.90
    Inc Vat £65.88
    As low as £59.29
  36. CMT 190 DLCS Spiral Bit Z2+2 D=12.7 I=28.5 L=76
    CMT part no:190.506.41 Spiral Router Cutter Z2+2 Hwm D=12.7x12-28.5x76 Dx SOLID CARBIDE UP & DOWNCUT Compression Spiral Router ...
    Lead Time: 23 Days
    List £147.68
    £59.70
    Inc Vat £71.64
    As low as £64.48
  37. CMT 190 DLCS Spiral Bit Z2+2 D=12.7 I=28.5 [10pcs]
    CMT part no:190.506.41-X10 Downcut Spiral Bit Z2+2 Hwm D=12.7x14 Dx (10 Pcs bulk Pack) SOLID CARBIDE UP & DOWNCUT Compression...
    Lead Time: 23 Days
    List £1,353.16
    £699.00
    Inc Vat £838.80
    As low as £754.92
  38. CMT 190 DLCS Spiral Bit Z2+2 D=12.7 I=41 L=101
    CMT part no:190.508.41 Spiral Router Cutter Z2+2 Hwm D=12.7x12-41x101 Dx SOLID CARBIDE UP & DOWNCUT Compression Spiral Router ...
    Lead Time: 23 Days
    List £174.01
    £70.80
    Inc Vat £84.96
    As low as £76.46
  39. CMT 190 DLCS Spiral Bit Z2+2 D=8x7 I=32 L=80 S=8
    CMT part no:190.080.41 Up/downcut Spiral Bit Z2+2 Hwm D=8x7-32x80 Dx (dlcs) SOLID CARBIDE UP & DOWNCUT Compression Spiral Route...
    Lead Time: 23 Days
    List £79.00
    £29.70
    Inc Vat £35.64
    As low as £32.08
  40. CMT 190 DLCS Spiral Bit Z2+2 D=9.52 I=28.5 L=76.2
    CMT part no:190.504.41 Solid Carbide Up & Downcut Spiral Bits- Z2+2 Hwm D SOLID CARBIDE UP & DOWNCUT Compression Spiral Router ...
    Lead Time: 23 Days
    List £104.17
    £42.30
    Inc Vat £50.76
    As low as £45.68
  41. CMT 190 DLCS Spiral Bit Z3+3 D=12 I=25 L=83 S=12
    CMT part no:190.320.41 Solid Carbide Up & Downcut Spiral Bits- Dlcs Z3+3 SOLID CARBIDE UP & DOWNCUT Compression Spiral Router ...
    Lead Time: 23 Days
    List £161.41
    £54.90
    Inc Vat £65.88
    As low as £59.29
  42. CMT 190 Up-Down Brg Trimmer D=12.7 I=41.3 S=12.7
    CMT part no:190.508.11B Due to their spiral cutting edge which stays in continuous contact with the workpiece, these bits giv...
    Lead Time: 23 Days
    List £202.63
    £111.78
    Inc Vat £134.14
    As low as £120.72
  43. CMT 190 Up-down Cut Sc Spiral Bit D6x8-22x60 Z1+1
    CMT part no:190.060.11 CMT 190 Solid Carbide Upcut and Downcut Spiral Router Bit D=6 I=22 I1=8 L=60 S=6 Z=1+1 Techni...
    Lead Time: 10 Days
    List £40.07
    £15.48
    Inc Vat £18.58
    As low as £16.72
  44. CMT 190 Up-down Cut Spiral Bit D=4x6-16x50 Z1+1
    CMT part no:190.040.11 CMT 190 Solid Carbide Upcut and Downcut Spiral Router Bit D=4 I=15 I1=7 L=50 S=4 Z1+1 Technic...
    In Stock
    List £29.76
    £10.98
    Inc Vat £13.18
    As low as £11.86
  45. CMT 190 Up-Down Spiral Bit D=12 I=52 L=100 Z2+2
    CMT part no:190.121.11 CMT 190 Solid Carbide Upcut and Downcut Spiral Router Bit D=12 I=52 I1= 7 L=100 S=12 Z+2+2 ...
    In Stock
    List £161.41
    £50.10
    Inc Vat £60.12
    As low as £54.11
  46. CMT 190 Up-Down Spiral Bit D=6.35 l=22 S=6.35
    CMT part no:190.008.11 Up-down Cut Sc Spiral Bit Z2+2 Hwm Dx D=6.35 I=22,2 I1=7 S=6.35 L=63.5 Z=2+2 Technical ...
    Lead Time: 10 Days
    List £50.38
    £18.75
    Inc Vat £22.50
    As low as £20.26
  47. CMT 190 Up-Down Spiral Bit Solid TC D=10 l=32 S=10
    CMT part no:190.100.11 Solid Carbide Upcut and Downcut Compression Spiral Router Bit D=10 I=32 S=10 Technical details: ...
    In Stock
    List £109.90
    £34.95
    Inc Vat £41.94
    As low as £37.75
  48. CMT 190 Up-Down Spiral Bit Solid TC D=12 l=25 S=12
    CMT part no:190.320.11 CMT 190 series Up & downcut spiral bits TECHNIC...
    In Stock
    List £160.27
    £49.50
    Inc Vat £59.40
    As low as £53.46
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