These popular insert router bit profiles provide all woodworkers access to the industrial-grade technology, at an affordable price. By replacing worn knives instead of sharpening standard carbide-tipped bits, router bit dimensions, cutting quality, and accuracy remain constant during the life of the tool. 

Ideal for routing:

  • MDF
  • Chipboard
  • Softwood
  • Hardwood

Benefits of the in-Tech™ Series include:  

  • Cutting accuracy remains constant during the life of the knife
  • Priced comparably to brazed router bits with at least 4 times longer tool life
  • Superior cutting quality
  • No sharpening costs
  • Harder grade tungsten carbide

Replacement insert knives sold as a pair.

Unit of Measure


Diameter 'D'

N/A 1 in


N/A 1/4 in

'B' Cutting Height

N/A 1/2 in


N/A 1/4 in

Overall Length

N/A 2 1/16 in

Addt'l Detail

N/A Cove

Replacement Knives

N/A RCK-274

Repl. Bearing

N/A 47706

Replacement Parts

N/A , Amana Tool Steel Ball Bearing Guide ($4.13)
, Amana Tool Insert Knives 1/4 Radius for RC-49104: Pair ($32.78)


N/A Amana Tool


N/A Economical Router Bit System; 2 Flute

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