Features
- Creates smoothly radiused edges
- Requires little or no sanding before finishing
- Micrograin carbide tips for wear resistance
- Ball‑bearing pilot for edge guidance
Specifications
| Radius | 3/16 in |
| Overall Diameter | 7/8 in |
| Cutting Edge Length | 1/2 in |
| Shank Diameter | 1/2 in |
| Flute Length | 0.5 in |
| Bearing Diameter | 1/2 in |
| Product Dimensions | 2.45 in x 0.88 in x 0.88 in |
| Weight | 0.17 lb |
| Upc | 000346268423 |
| Part Number | 84402M |
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Roundover router bit with a 3/16‑in radius for producing radiused edges on boards and panels. It has a 1/2‑in cutting edge length and a 1/2‑in shank. Micrograin carbide tips are heat‑treated for improved finish and wear resistance. A compact ball‑bearing pilot guides the bit along the workpiece edge.
Model Number: 84402M
Project Ideas
Business
Mobile Edge-Easing Service
Offer on-site rounding of sharp edges on shelves, window stools, stair treads, handrails, and trim. Market to contractors and homeowners who want a safer, finished look. Standardize on a 3/16-in profile for speed and consistency, pricing per linear foot.
Etsy Line: Boards and Trays
Launch a boutique line of serving boards and trays featuring a signature 3/16-in edge radius for comfort and durability. Promote the hand-feel and consistent profile. Upsell engraving and gift sets; batch for efficiency with minimal sanding needed.
Cabinet Shop Edge Profile Upgrade
Add a standard 3/16-in roundover option on cabinet doors, drawer fronts, shelves, and face frames. It’s an easy, repeatable upcharge that reduces paint chipping on edges and improves perceived quality. Create SKUs for the profile in estimates.
Kid-Safe Furniture Line
Produce Montessori shelves, step stools, and toy organizers with all edges rounded to a 3/16-in radius to meet safety expectations. Market to parents and preschools; emphasize smooth, wipe-friendly edges with a durable finish.
Post-CNC Edge Finishing for Makers
Partner with local CNC/laser shops to take their cut parts and provide fast edge-rounding before finishing. The bearing-guided bit follows complex contours, saving them hand-sanding time. Offer volume pricing and 24–48 hour turnaround.
Creative
Signature Charcuterie/Cutting Boards
Batch out hardwood boards, then ease all perimeter edges with a 3/16-in roundover for a comfortable, finished feel. Do both top and bottom passes on the front edge to create a subtle bullnose. The bearing keeps the profile consistent around curves and handle cutouts, and the micrograin carbide leaves minimal sanding before oiling.
Keepsake Box With Soft Edges
Build a small box with mitered corners and round over the lid and base edges for a refined, tactile profile. The 3/16-in radius softens the look without losing crisp proportions. Add finger lift recesses and round their edges for a cohesive feel.
Floating Shelves With Bullnose Front
Make wall shelves and run a 3/16-in roundover along the top and bottom of the front edge for a bullnose effect. Round the side edges as well for a uniform, modern profile that resists chipping and feels smooth to the touch.
Children’s Blocks and Toys
Cut simple geometric blocks or push toys, then round over all edges for kid-safe, splinter-free parts. The bearing lets you follow irregular outlines easily, and the small radius keeps the shapes precise while removing sharpness.
Modern Picture Frames
Make slim frames and soften the outer perimeter and inner rabbet lip with a light roundover. The 3/16-in radius provides a clean contemporary look that won’t distract from artwork, and the bearing ensures consistent results on long runs.