Whiteside 1403 Round Nose Bit - 3/8 in Cut, 3/16 in Radius, 1/4 in Shank

Overview

With more than three decades in woodworking tooling, Whiteside Machine Company combines craft with modern engineering to deliver dependable performance. The 1403 Round Nose Bit is designed to create smooth curves and refined contours, helping you achieve polished edges in a range of projects while maintaining control throughout the cut.

Key specs at a glance

• Carbide-tipped round nose bit
• 3/8 in cutting diameter
• 2 in overall length
• 1/2 in cutting length
• 3/16 in radius
• 1/4 in shank
• Compatible with 1/4 in collets

Ideal applications

• Juice grooves on cutting boards for a professional finish
• Engraving and detailed edge work on cabinet doors and drawer fronts
• Sign-making and decorative profile work
• Curved profiles on natural woods, composites, and certain plastics

Materials and performance

• Carbide-tipped construction balances durability with precision
• Effective on natural woods, composite woods, hard plastics, and thin aluminum
• 2 inch overall length provides reach for deeper contours while staying versatile

Practical notes for use: pair this bit with a 1/4 in collet, run at appropriate speeds for your material, and test on scrap before final passes. In real-world shop settings, the bit shines in clean curves, crisp edge details, and consistent profile work across multiple pieces. While results depend on setup and material, many woodworkers find this bit helpful for achieving polished, professional-looking results in a variety of projects.