RC-2245 Insert Carbide Mini Spoilboard Surfacing, Rabbeting, Flycutter, Slab Leveler & Surface Planer 1-1/4 Dia x 15/32 (12mm) x 1/4 Inch Shank Router Bit


Diameter (D) 1-1/4
(B) Cutting Height 12mm (15/32)
Shank (d) 1/4
Overall Length (L) 1-11/16
Max Rpm 18,000
L1 1-1/16
Repl. Knives HMA-12 (2)
Cut Depth (a) 1/4


Mini insert carbide spoilboard surfacing & rabbeting router bit great for cutting tight corners and surface planing.

Also suitable for router sled machines, Make sure that your router sled is fully stable and squared.

Perfect for:

  • Resurfacing spoilboards using CNC
  • Planing large glued up panels using CNC
  • Surfacing and finishing wood using timber slab machines
  • Rabbeting or slotting

Designed for planing & rabbeting the following materials:

  • MDF
  • Fiberboard
  • Balsa Core*
  • Epoxy (Epoxy Resins)*
  • High Density Urethane (HDU Board)*
  • Plastic/Acrylic*
  • Plywood/Chipboard*
  • Hardwood/Softwood*
  • Ultra-High-Molecular-Weight Polyethylene (UHMWPE)*

*For optimal results and maximum insert life, replace inserts with optional general purpose knives #AMA-12 (sold separately).


  • 4-sided solid carbide insert knives
  • Exclusive carbide grade for highest quality of cut
  • Maximum cutting efficiency
  • Faster material removal process


These industrial router bits feature solid carbide insert knives with four cutting edges that allow users to rotate the knife when one side becomes dull providing the highest-quality finish available on woodworking tools.
Proper torques rating to tighten down screws is 2-3Nm Torques.


(D) Diameter 1-1/4
(B) Cutting Height 12mm (15/32)
(d) Shank 1/4
Overall Length (L) 1-11/16
Max RPM 18,000
L1 1-1/16
Replacement Knives HMA-12 (2)
(A) Cut Depth 1/4