3/8″ Keyhole Router Bit for CNC Routers, 1/4 Shank

(1 customer review)

$29.37

This keyhole t-slot cutter is designed for deeper slot depths when your wall-hanging wood projects are extra heavy. Keyhole t-slot cutters for CNC routers are used to cut slots in wood projects when you want them to be flush to the wall.

  • Total flute length: 0.45″ / Keyhole cut diameter: 3/8″ / Keyhole thickness 0.2″
  • Slot cut diameter: 1/4″ / Slot flute length: 0.25

In stock

Description

This keyhole router bit for CNC routers (a.k.a. t-slot cutter, keyhole slot cutter, key slot bit) is a woodworking bit designed for T slot on your wall-hanging wood projects. Keyhole t-slot bits for CNC routers are used to cut slots in wood projects when you want them to be flush to the wall, such as plaques, or awards.

The keyhole router bit is especially important when making heavier woodworking projects that hang on walls, such as wood shelving, or deep shadow boxes.

Keyhole router bit slots are far stronger than using wire or metal serrated hangers and they allow your woodworking CNC project to rest flush against the wall. This 3/8 inch keyhole bit is good for manual routers also.

To see how to set up your keyhole in your design software, watch this YouTube video.

Specs

  • Total flute length: 0.45″
  • Keyhole cut diameter: 3/8″
    • Keyhole thickness 0.2″
  • Slot cut diameter: 1/4″
    • Slot flute length: 0.25
  • Shank: 1/4″
  • Overall Length: 1.75″
  • Flutes: 2
  • Material: 100% carbide brazed tip, body 4140 steel

Settings

  • Plunge feed: 15 inches per minute
  • Cut feed: 35 inches per minute
  • Speed (rpm): 21,000 (Makita dial setting approx. 4.25)
  • Set pass depth to 0.375
    • Max. plunge depth:  0.44 inches. (do not exceed this depth)

FREE Feeds & Speeds table PDF. Download by clicking here

Additional information

Weight .5 oz
Dimensions 9 × 7 × .5 in

1 review for 3/8″ Keyhole Router Bit for CNC Routers, 1/4 Shank

  1. Dave Lind

    Wow – this bit left a very nice clean hole – out performed my last key hole bit by far – I have used it on swamp Kauri /pine /Vitex and Totara so far – Very happy

    • garfro3_2skglm

      Hi Dave. Thank you for sharing your experience with the keyhole bit. Please send pictures of your projects. I’d love to see.

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