Whiteside RU4700 Upcut Spiral Router Bit - 1/4-inch Diameter, 1-inch Cutting Length, Solid Carbide

Meet the Whiteside RU4700 Upcut Spiral Router Bit, a precision tool designed to elevate your woodworking projects. Crafted from solid carbide, this bit balances durability with controlled performance, delivering steady results across a range of materials. The upcut spiral design directs chips upward and away from the cut, helping you achieve cleaner faces and crisper edges as you route grooves, dados, slots, and pockets. With a 1/4-inch cutting diameter and a 1-inch cutting length, it offers a compact yet capable profile for detailed work while remaining compatible with standard 1/2-inch shank routers.

The RU4700 enters the cut with confidence, maintaining a smooth finish on the far side of the material. The spiral helix is optimized for efficient chip removal, which is especially helpful in deeper cuts where debris can slow progress. This is a versatile, plunge-capable bit that supports a variety of routing tasks, from precise profile work to more ambitious groove and dado projects. With its solid carbide core, you can expect consistent performance and a long tool life when used as part of a well-balanced router setup.

Key specifications

• TOOL SPECS: solid carbide, upcut spiral, 1/4 inch cutting diameter, 1/2 inch shank, 1 inch cutting length, and 3-1/4 inches overall length for use in routers with a 1/2 inch collet
• UP CUT SPIRAL: for smooth finishes and rapid chip removal; edges on the far side stay crisp as you cut
• HELIX: upward cutting action efficiently removes chips, supporting clean cuts in deeper routes
• MULTI-PURPOSE TOOLING: plunge-capable bit suitable for grooves, dados, slots, pockets and more
• MATERIALS: performs well with hardwoods, softwoods, plywood, MDF and hard plastics for versatile woodworking

Why this RU4700 stands out

In real-world projects, the RU4700 helps you build precise profiles with reliable performance across materials. The upcut design contributes to a clean edge on the far side of your cut while promoting efficient chip clearance. The robust solid carbide core is built for longevity, delivering consistent results across multiple sessions when used with appropriate feed rates and router settings.

Practical use cases

• Edge detailing and grooving in hardwoods and softwoods
• Creating dadoes and slots for cabinet backs, hardware, or shelf systems
• Routing pockets for fittings, hardware recesses, or decorative elements
• Plunge routing for controlled, repeatable cuts in a variety of materials

As with any router bit, outcomes depend on your router setup, material type, and feed rate. Start with scrap material to dial in your technique before tackling a full project.