Spiral Router Bits
spiral router bits with coating
spiral router bits with coating

Spiral Router Bits

Spiral Router Bits

Spiral Router Bits

High-Precision Cutting for CNC Applications

The Spiral Router Bits are engineered for professional CNC machining, delivering exceptional performance across a wide range of materials, including MDF, particleboard, laminated plywood, artificial stone, aluminum, soft plastics, and hard plastics.

Made with premium-grade tungsten carbide and enhanced with DLC coating, these tools provide long tool life, excellent wear resistance, and consistently smooth finishes even under demanding conditions. Their spiral flute design ensures efficient chip evacuation and reduced cutting resistance, making them ideal for high-speed, precision routing.

Available in Up-Cut, Down-Cut, and Compression designs, they give manufacturers the flexibility to choose the right geometry for specific machining needs.

Key Features

  • Premium Carbide Construction
    Manufactured from high-grade tungsten carbide for strength and durability.
  • High Precision Grinding
    Delivers consistent dimensional accuracy and superior cutting performance.
  • Spiral Flute Design
    Optimized for chip evacuation and efficient material removal.
  • Extended Tool Life
    DLC coating reduce wear, heat buildup, and extend durability.
  • Wide Material Compatibility
    Effective on wood-based panels, artificial stone, aluminum, and plastics.
  • Versatile Variants
    Offered in Up-Cut, Down-Cut, and Compression styles for CNC routing applications.
  • OEM / ODM Support
    Custom dimensions    , flute geometries, and shank sizes available upon request.
Up-Cut HelixDown-Cut HelixCompression-Cut Helix
Upward chip evacuation makes this ideal for general cutting, deep-slotting, and grooving in composite panels.Downward chip pressure ensures superior top-edge quality, making it recommended for clean finishes on solid wood and coated panels.Combined up-cut and down-cut flutes ensure clean edges on both surfaces, ideal for double-sided laminated or veneered materials.

How to Choose the Right Spiral Router Bit

Applications

  • CNC Woodworking
    Precise machining of MDF, particleboard, plywood, and laminated panels.
  • Solid Surface & Artificial Stone
    Clean routing with minimal edge chipping.
  • Metal & Plastics
    Suitable for aluminum profiles, soft plastics, and hard plastics.
  • Professional Manufacturing
    Ideal     for cabinetry, furniture, and custom CNC projects.

Looking for high-precision spiral router bits for CNC machining?

Contact GOLDEN EAGLE today to request OEM/ODM options or configure custom router bits for your production needs.


 

Features:：
Designed for high-abrasion wood processing, combining compression spiral geometry with advanced coating for smooth edges and extended tool life.

Applications:
MDF, Chipboard (MFC)

Cut Direction:
Compression

M = Mortise Compression

ΦDL2L3SL1ZItem ID
1/4"7/8"0.188"1/4"2-1/2"2+2-MCRM33092
3/8"1"0.188"3/8"3"2+2-MCRM44102
1/2"1"0.188"1/2"3"2+2-MCRM55102
1/2"1-3/8"0.2"1/2"3-1/2"2+2-MCRM55142
ΦDL2L3SL1ZItem ID
3/8"1-1/8"0.39"3/8"3"2+2CR44122
1/2"1-1/8"0.56"1/2"3"2+2CR55122
1/2"1-3/8"0.62"1/2"3-1/2"2+2CR55142
1/2"1-5/8"0.75"1/2"4"2+2CR55162

Features:：
Premium carbide construction offers excellent wear resistance and consistent performance, ideal for cabinet and furniture manufacturing.

Applications:
MDF, Chipboard (MFC)

Cut Direction:
Compression

ΦDL2L3SL1ZItem ID
3/8"1-1/8"0.5"3/8"3"3+3CR44123
3/8"7/8"0.2"3/8"3"3+3-MCRM44093
1/2"7/8"0.2"1/2"3"3+3-MCRM55093
1/2"1-3/8"0.2"1/2"3-1/2"3+3-MCRM55143

Features:：
Engineered for acrylic processing, these tools provide extended tool life and consistent cutting performance. The specialized geometry ensures a smooth edge finish on both cast and extruded materials.

Applications:
MDF, Chipboard (MFC)

Cut Direction:
Up-Cut, O-Flute

ΦDL2SL1ZItem ID
1/4"3/8"1/4"2-1/2"1XUA33041
1/4"3/4"1/4"2-1/2"1XUA33081
3/8"1-1/8"3/8"3"1XUA44121
3/8"1-1/4"3/8"3"1XUA44131

Features:：
A polished flute delivers a razor-sharp cutting edge while promoting efficient chip evacuation. The up-cut spiral design further enhances chip removal for cleaner machining results.

Applications:
Softwood, Hardwood, MDF, Plywood, Plastic, Aluminum

Cut Direction:
Up-Cut, Super O
Down-Cut, Super O

ΦDL2SL1ZItem ID
1/4"7/8"1/4"2-1/2"1SU33091
1/4"1-1/4"1/4"3"1SU33131
1/4"1-1/2"1/4"3"1SU33151
3/8"1-1/8"3/8"3"1SU44121
ΦDL2SL1ZItem ID
1/4"3/8"1/4"2"1SD33041
1/4"3/4"1/4"2"1SD33081
3/8"3/4"3/8"3"1SD44081
3/8"1 1/8"3/8"3"1SD44121

Features:：
Well suited for carving and modeling tasks, featuring an optimized tip geometry that delivers a smoother and more refined finish than standard ball nose end mills.

Applications:
Softwood, Hardwood, MDF, Plywood, Plastic, Aluminum

Cut Direction:
Up-Cut

ΦDL2SL1ZItem ID
1/4"7/8"1/4"2 1/2"2BU33092
3/8"1"3/8"3"2BU44102
3/8"1-1/8"3/8"3"2BU44122
3/8"1 1/4"3/8"3"2BU44132
1/2"1-1/8"1/2"3"2BU55122

Features:：
Built for high-speed machining of aluminum sheets and solid materials, these cutters perform reliably on CNC routers, high-speed machining centers, and milling systems.

Applications:
Aluminum

Cut Direction:
Up-Cut, Super O-Flute

ΦDL2SL1ZItem ID
1/4"3/8"1/4"2"1XU33041
1/4"3/4"1/4"2-1/2"1XU33081
3/8"3/4"3/8"3"1XU44081
3/8"1 1/8"3/8"3"1XU44121
1/2"1 1/8"1/2"3 1/2"1XU55121
1/2"1 3/8"1/2"3 1/2"1XU55141

Features:：
Equipped with a distinctive scalloped cutting edge, enabling high-speed roughing and efficient material removal. Up-cut designs improve chip evacuation, while down-cut versions provide better workpiece stability.

Applications:
Plywood, Softwood, Hardwood, MDF, Plastic

Cut Direction:
Up-Cut, Rougher, High Helix
Down-Cut, Rougher, High Helix

ΦDL2SL1ZItem ID
3/8"1 1/8"3/8"3 1/2"3RU44123
1/2"1 1/4"1/2"3 1/2"3RU55133
1/2"1 5/8"1/2"4"3RU55163
ΦDL2SL1ZItem ID
3/8"1 1/8"3/8"3 1/2"3RD44123
1/2"1 1/4"1/2"3 1/2"3RD55133
1/2"1 5/8"1/2"4"3RD55163

Features:：
The advanced scalloped cutting geometry supports aggressive roughing with reduced power consumption, extended tool life, and minimized chipping when machining solid wood.

Applications:
Plywood, Softwood, Hardwood, MDF, Plastic

Cut Direction:
Up-Cut, Rougher, Low Helix
Down-Cut, Rougher, Low Helix

ΦDL2SL1ZItem ID
3/8"1 1/8"3/8"3 1/2"3RUL44123
1/2"1 1/4"1/2"3 1/2"3RUL55133
1/2"1 5/8"1/2"4"3RUL55163
ΦDL2SL1ZItem ID
3/8"1 1/8"3/8"3 1/2"3RDL44123
1/2"1 1/4"1/2"3 1/2"3RDL55133
1/2"1 5/8"1/2"4"3RDL55163

Features:：
A low helix design enables smooth cutting in both soft and hard plastics, while directing chips upward for efficient evacuation and a clean surface finish.

Applications:
Plastic

Cut Direction:
Up-Cut, O-Flute

ΦDL2SL1ZItem ID
1/4"3/8"1/4"2 1/2"2XU33042
1/4"3/4"1/4"2 1/2"2XU33082
3/8"1"3/8"3"2XU44102
3/8"1 1/4"3/8"3"2XU33132
1/2"1-1/2"1/2"3-1/2"2XU55152
1/2"1 3/8"1/2"3 1/2"1XU55141

Features:：
Ideal for routing applications that require efficient upward chip evacuation, strong tool rigidity, extended tool life, and a clean surface finish.

Applications:
Softwood, Hardwood, MDF, Plywood

Cut Direction:
Up-Cut
Down-Cut

ΦDL2SL1ZItem ID
1/4"7/8"1/4"2 1/2"2UC33092
1/4"1"1/4"2 1/2"2UC33102
3/8"1"3/8"3"2UC44102
3/8"1 1/8"3/8"3"2UC44122
3/8"1 1/4"3/8"3"2UC44132
1/2"1 1/4"1/2"3"2UC55132
1/2"1 1/2"1/2"3 1/2"2UC55152
ΦDL2SL1ZItem ID
1/4"7/8"1/4"2-1/2"2DC33092
3/8"1"3/8"3"2DC44102
3/8"1-1/8"3/8"3"2DC44122
1/2"1"1/2"3"2DC55102
1/2"1-1/8"1/2"3"2DC55122

Features:：
Allows higher feed rates compared to standard two-flute tools, while maintaining a smooth and consistent cutting finish.

Applications:
Softwood, Hardwood, Plywood, MDF

Cut Direction:
Up-Cut
Down-Cut

ΦDL2SL1ZItem ID
3/8"1.1253/8"32CU44122
3/8"1.253/8"32CU44132
1/2"1.1251/2"32CU55122
1/2"1.6251/2"3.52CU55162
1/2"2.1251/2"42CU55222
ΦDL2SL1ZItem ID
3/8"1 1/8"3/8"3"2CD44122
3/8"1 1/4"3/8"3"2CD44132
1/2"1 1/8"1/2"3"2CD55122
1/2"1 5/8"1/2"3 1/2"2CD55162
1/2"2 1/8"1/2"4"2CD55222

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