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Compression Spiral Bits

(42 Products)

CNC Router Tools & CuttersI

Compression spiral router cutters are ideal for cutting and edging boards when you need to optimise finish and minimise breakout on both the top and bottom surfaces as the up & down cutting geometry means you are always get a shear cut into the material core. Excellent performance with veneered boards or solid wood. The special super-micrograin carbide formulation was created to produce and hold a keen cutting edge. The new low-angle spiral is designed specifically to shear wood cleanly and provide efficient chip ejection. The tools run cooler and the edges last longer.

The compression spiral router bit features a unique cutting geometry that helps reduce chipping and tear-out when routing through the material. The design of the bit consists of two cutting flutes that spiral in opposite directions. The bottom flute is designed to compress the material being cut, while the top flute is designed to shear the material away.

This compression action helps to create a cleaner and smoother cut edge on both the top and bottom surfaces of the material. It is particularly useful when cutting through laminates or materials with a veneer surface, where the top layer may be prone to chipping or tearing.

Compression spiral router bits are available in a variety of sizes and shapes, including straight, upcut, and downcut configurations. They are commonly used in woodworking, cabinetry, and furniture-making industries, as well as in metalworking and plastics manufacturing.

Find the right CMT CNC Router Cutters: Browse the 440 Page CMT Orange Tools Catalogue

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  1. 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 Spiral Router Cutter with DLCS CHROME COATING- LONG LIFE 190.41 Application Used for cutting, copying, panel sizing and any routing applications on solid wood, wood composites, plastic materials and laminates. Use a high feed speed on well-clamped workpieces. Can be used on machining centres, point to point machines, CNC routers and hand-held routers equipped with chucks or adaptors. TECHNICAL FEATURES: -Premium quality solid carbide. -2+2 spiral cutting edges (Z2+2). -Provide an excellent finish on both the upper and the lower side of the workpiece
    Lead Time: 12 Days
    List €867.72
    €609.18
    Inc Vat €731.02
    As low as €643.28
  2. 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 Spiral Router Cutter with DLCS CHROME COATING- LONG LIFE 190.41 Application Used for cutting, copying, panel sizing and any routing applications on solid wood, wood composites, plastic materials and laminates. Use a high feed speed on well-clamped workpieces. Can be used on machining centres, point to point machines, CNC routers and hand-held routers equipped with chucks or adaptors. TECHNICAL FEATURES: -Premium quality solid carbide. -2+2 spiral cutting edges (Z2+2). -Provide an excellent finish on both the upper and the lower side of the workpiece
    Lead Time: 12 Days
    List €1,217.39
    €853.81
    Inc Vat €1,024.57
    As low as €901.62
  3. CMT 190 Mortising Spiral Bit D-9.52 l-22.2 S-9.52
    CMT part no:190.513.11 CMT 190 Up-Down Spiral bit for Mortising D-9.52 l-22.2 S-9.52 2+2 CMT's 190 series solid carbide up & downcut spiral bits are engineered for top-notch mortising in woodworking projects. These bits utilize a super-micrograin carbide formulation, ensuring sharp cutting edges, while the low-angle spiral design cleanly shears wood and efficiently ejects chips. Notably, they operate at lower temperatures, promoting extended edge durability. With enhanced feed rates and cutting quality, these tools excel in mortising applications, delivering a perfect finish on both the upper and lower workpiece surfaces. Perfect for use in solid wood, wood composites, plastics, and laminates, these bits are compatible with various machines, including CNC routers, hand-held routers, and more. TECHNICAL DETAILS: - Premium quality solid tungsten carbide - 2+2 spiral cutting edges (Z2+2) - Provides an excellent finish on both the upper and lower sides of the workpiece as the compression spiral is designed to shear cut into the work piece APPLICATION: used for cutting, copying, panel sizing and any routing applications in solid wood, wood composites, plastic materials and laminates. Use a high feed speed on well-clamped workpieces. Can be used on machining centres, point to point machines, CNC routers and hand-held routers equipped with chucks or adaptors
    In Stock
    List €135.26
    €50.36
    Inc Vat €60.43
    As low as €53.18
  4. 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 Technical details: - Premium quality HWM. - 1+1 spiral cutting edges [Z1+1]. - 2+2 spiral cutting edges [Z2+2]. - 3+3 spiral cutting edges [Z3+3]. - Provide an excellent finish on both the upper and the lower side of the workpiece. Application: used for cutting, copying, panel sizing and any routing application on solid wood, wood composites, plastic materials and laminates. Use a high feed speed on wellclamped workpieces. Can be used on machining centres, point-to-point boring machines, CNC routers and hand-held routers equipped with chucks or adapters
    In Stock
    List €51.80
    €20.39
    Inc Vat €24.47
    As low as €21.53
  5. 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 Technical details: - Premium quality HWM. - 1+1 spiral cutting edges [Z1+1]. - 2+2 spiral cutting edges [Z2+2]. - 3+3 spiral cutting edges [Z3+3]. - Provide an excellent finish on both the upper and the lower side of the workpiece. Application: used for cutting, copying, panel sizing and any routing application on solid wood, wood composites, plastic materials and laminates. Use a high feed speed on wellclamped workpieces. Can be used on machining centres, point-to-point boring machines, CNC routers and hand-held routers equipped with chucks or adapters
    In Stock
    List €37.42
    €15.59
    Inc Vat €18.71
    As low as €16.46
  6. CMT 190 Up-Down Spiral Bit Solid TC D-5 l-22 S-5
    CMT part no:190.050.11 CMT 190 Up-Down Spiral Bit Solid Tungsten Carbide D=5 I=22 I1=8 S=5 L=60 S=5 Z=1+1 Technical details: - Premium quality HWM. - 1+1 spiral cutting edges [Z1+1]. - 2+2 spiral cutting edges [Z2+2]. - 3+3 spiral cutting edges [Z3+3]. - Provide an excellent finish on both the upper and the lower side of the workpiece. Application: used for cutting, copying, panel sizing and any routing application on solid wood, wood composites, plastic materials and laminates. Use a high feed speed on wellclamped workpieces. Can be used on machining centres, point-to-point boring machines, CNC routers and hand-held routers equipped with chucks or adapters
    In Stock
    List €46.04
    €17.99
    Inc Vat €21.59
    As low as €19.00
  7. CMT 191 Upcut Bit Set 5 Pc D-4.76/6.35/8/9.5/12.7
    CMT part no:191.000.02 CMT is proud to offer you these new sets of high quality solid tungsten carbide upcut and downcut spiral bits in the most popular diametres. The new formulated super micrograin composition guarantees extremely sharp long-lasting cutting edges, whereas the spiral layout allows for a more efficient chip ejection. In addition these bits stay cooler during work and are suitable for CMT's new precision machines. Recommended for use on soft and hardwood, plywood, laminates, MDF and plastic materials. To be used on handheld routers and CNC machines. D=4,76/6,35/8/9,5/12,7 S=1/4 - 1/2" RH
    Lead Time: 12 Days
    List €433.14
    €239.83
    Inc Vat €287.80
    As low as €253.26
  8. CMT 191 Upcut Bit Set 5 Pc D-4/6/8/10/12 S-8
    CMT part no:191.000.01 CMT is proud to offer you these new sets of high quality solid tungsten carbide upcut and downcut spiral bits in the most popular diametres. The new formulated super micrograin composition guarantees extremely sharp long-lasting cutting edges, whereas the spiral layout allows for a more efficient chip ejection. In addition these bits stay cooler during work and are suitable for CMT's new precision machines. Recommended for use on soft and hardwood, plywood, laminates, MDF and plastic materials. To be used on handheld routers and CNC machines. D=4/6/8/10/12 S=8 RH
    In Stock
    List €397.16
    €219.45
    Inc Vat €263.34
    As low as €231.73
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