Bosch 3/8-in High-Speed Steel Keyhole Router Bit, 1/4-in Shank, 1-7/8 in OAL

Regular price $15.74

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Bosch 3/8-in Keyhole Router Bit

Create clean, secure keyhole slots for hanging plaques and frames with this Bosch high-speed steel keyhole router bit. A 1/4-in shank and plunge-tip design deliver controlled cuts, while the wide/narrow flute profile helps reduce breakage at lower feed rates.


Key Features:

  • Purpose-Built Keyhole Cuts: Ideal for mounting slots in picture frames, plaques and other wall décor
  • Controlled, Safer Cutting: Control-cut design helps minimize kickback during routing
  • Durable HSS Construction: High-speed steel bit with hardened/tempered shank for long life
  • Precision Dimensions: 3/8-in cutting width with 3/16-in cutting edge length and 1/4-in shank
  • Plunge Tip Design: Enables easy entry into material for accurate slot creation

Specifications Table:

Specification Details
Bit Cutting Width 3/8 in
Bit Shank Diameter 1/4 in
Cutting Edge Length 3/16 in
Overall Diameter 3/8 in
Overall Length 1.875 in (1-7/8 in)
Bit Material/Finish High-speed steel
Bit Style Keyhole
Number of Flutes 1
Warranty None
CA Residents: Prop 65 Warning(s) No
UNSPSC 27112800
Design Features Control-cut design to minimize kickback; wide and narrow flute design for lower feed rates; plunge tip

Frequently Asked Questions (FAQ):

Q: What routers is this bit compatible with?
A: It fits any router that accepts a 1/4-in shank collet.


Q: What materials can I cut?
A: It’s designed for wood and wood composites commonly used in plaques, frames, and cabinetry.


Q: How deep can it cut?
A: The cutting edge length is 3/16 in; use multiple passes as needed for longer keyhole slots.


Q: Does it have anti-kickback features?
A: Yes, Bosch’s control-cut design helps minimize kickback for smoother operation.


Q: Is this bit covered by a warranty?
A: Lowes lists no warranty for this item.


Sculpted Mounting Slots with Gallery-Grade Precision

This petite powerhouse carves discreet keyholes that let art and mirrors float effortlessly, elevating walls with a curated, gallery feel. The refined 3/8-inch profile and plunge tip create crisp, repeatable slots that disappear behind your pieces. Pair it with warm hardwoods or painted MDF for a sleek, professional finish. It’s a small detail that delivers polished, luxurious presentation in any space.


Add this Bosch keyhole bit to your kit and craft seamless, professional mounting slots for every wall-hanging project.

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Subject to Approval & Availability
All orders are reviewed before fulfillment. You are not charged until your order is approved and ready to ship — and you may cancel at any time before that at no cost.

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