Bosch 1/8-in Carbide-Tipped Bullnose Router Bit, 1/4-in Shank

Regular price $28.48

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Shipping calculated at checkout.

Bosch 1/8-in Bullnose Router Bit

Create smooth, rounded edges on sills, shelves, and stair treads with this Bosch bullnose router bit. Micrograin carbide tips deliver long life and clean cuts, while the hardened steel shank adds durability for demanding shop or jobsite work.


Key Features:

  • Clean Edge Forming: Produces smoothly radiused bullnose profiles that need little or no sanding
  • Durable Carbide Tips: Micrograin carbide provides superior wear resistance and long service life
  • Sturdy Construction: Fully hardened and tempered steel shank resists bending and vibration
  • Optimized Use: Recommended for router table setups for best control and finish
  • Versatile Applications: Ideal for window sills, shelves, stair treads, and decorative grooving

Specifications Table:

Specification Details
Bit Style Bullnose
Radius 1/8-in
Bit Shank Diameter 1/4-in
Cutting Edge Length 1/2-in
Overall Diameter 19/32-in
Overall Length 1.75-in
Bit Material Carbide-tipped
Number of Flutes 2
Warranty 1-year limited
Category Edge Forming Router Bits

Frequently Asked Questions (FAQ):

Q: What shank size does this bit use?
A: It has a 1/4-inch shank to fit most compatible routers and router tables.


Q: What radius does this bullnose bit cut?
A: It cuts a 1/8-inch radius bullnose profile.


Q: Is this suitable for handheld routing?
A: It can be used handheld, but Bosch recommends a router table for best control and finish.


Q: What materials can I route with it?
A: Designed for wood and wood-based materials; the carbide tips handle hardwoods and provide long life.


Q: Does it include a bearing?
A: No bearing is specified for this bit; it’s guided by the fence or table setup.


Sculpted Edges, Tailored Elegance

This bullnose bit transforms ordinary boards into beautifully contoured details—think rounded stair treads and polished shelf fronts. The micrograin carbide edges whisper across the wood, leaving a satin-smooth radius that feels refined to the touch. Pair it with a warm oak or walnut to frame cabinetry with architectural softness. It’s a small tool with a grand effect—essential for crafting a luxurious, bespoke finish.


Elevate your next project with silky-smooth bullnose edges—add this Bosch bit to your cart today.

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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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