Amana Tool 56125 Solid Carbide Roundover Bit - 1/8 Radius, 1/4 Diameter, 5/16 Cutting, 1/4 Shank

Meet the Amana Tool 56125 Solid Carbide Roundover bit, built to shape edges with dependable consistency. This compact router bit pairs a durable solid carbide tip with a balanced profile, making it a versatile choice for woodworking projects that require soft to mid-range edge rounding. While designed for decorative work, it also supports lettering, engraving, signmaking, fluting, and trimming in a range of woods, from soft pine to denser hardwoods.

Key specifications at a glance

• Diameter: 1/4 inch
• Radius: 1/8 inch
• Cutting height: 5/16 inch
• Shank: 1/4 inch
• Overall length: 2 inches

Why choose solid carbide

The 56125 is made with solid carbide for lasting sharpness and durability. Its single-flute geometry helps produce a clean, rounded edge with each pass, delivering reliable results across various woods and project styles. With a 2" overall length, this bit provides comfortable reach for mid-depth roundovers while keeping control tight on smaller pieces.

Practical uses

• Lettering and engraving: creates subtle, rounded edges around carved text for a refined look.
• Signmaking and decorative trimming: smooths panel edges and sign profiles for a polished finish.
• Fluting and edge detailing: adds gentle curves to furniture edges, frames, and mouldings.
• General routing: compatible with standard routers for versatile edge treatment on various woods.

Tips for best results

Maintain steady feed rates and use sharp cutting edges to maximize edge quality and tool life. The 1/4" shank is compatible with most common routers, and the 1/8" radius helps establish a consistent edge profile across repeated passes. Always follow safety guidelines for handheld routing and secure your workpiece before cutting.