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Coving Router Accessories Replacement Bit from Betterley is a router bit designed to cut a 3/8 inch radius cove while removing excess material and adhesive from a deck and back splash in one pass, so a single tool handles shaping and clean-up together. As a profiling router bit in the Bits, Blades and Cutters category, it forms the curved cove profile as part of the finishing workflow, helping produce a consistent edge shape across a run of parts. The 3/8 inch radius determines the size of the cove the bit cuts, which matters when a specific profile is required to match existing work or a shop standard. Betterley branding identifies it as part of a recognized router accessories line, so crews can match this bit with other profiling tools in the same system for predictable cutting behavior.
This Betterley coving router bit is configured to cut a 3/8 inch radius cove and clear excess material and adhesive in one pass, so setup revolves around aligning the cut depth to reach the full radius while exposing the working edges to the deck and back splash joint. Because it functions as a profiling bit, it is used where the router base can travel steadily along the edge, helping maintain a uniform 3/8 inch curve from end to end. The one-pass design means feed rate and support for the workpiece directly affect how effectively the bit removes adhesive while forming the cove, which keeps the routed profile closer to finished quality as part of the installation sequence.
The Betterley Coving Router Accessories Replacement Bit, part number CB3870, is intended for routing a 3/8 inch radius cove on deck and back splash work, so it fits naturally into countertop and similar assemblies where a curved joint transition is needed. Its ability to cut the 3/8 inch radius cove and remove excess material in a single pass places it at the stage where adhesive has already been applied and parts are assembled, letting the installer route along the joint while the bit clears squeeze-out. Because it is identified as a profiling router bit in the Bits, Blades and Cutters category, it suits tasks where a consistent decorative or functional cove is part of the finished design, such as softening the inside corner between deck and back splash.
This coving router bit forms the full 3/8 inch radius cove and removes excess material and adhesive in one pass, which helps support consistent results because the same motion that shapes the curve also cleans the joint. By combining profiling and clean-up into a single operation, the bit reduces the chance that later scraping or trimming will alter the 3/8 inch radius, keeping the edge closer to the intended geometry. As a Betterley router bit within the profiling class, its role is to create a repeatable cove profile along deck and back splash edges, so crews can run multiple assemblies with matching curves. The dedicated 3/8 inch radius profile also gives shops a predictable reference when setting up templates or guides, supporting repeatable setup for follow-on jobs that call for the same cove detail.
The Betterley CB3870 Coving Router Accessories Replacement Bit cuts a 3/8 inch radius cove, which sets the curvature of the profile for matching specific deck and back splash designs.
The Betterley coving bit cuts the 3/8 inch radius cove and removes excess material and adhesive from the deck and back splash joint in one pass, streamlining that routing step.
The Betterley CB3870 is a profiling router bit in the Bits, Blades and Cutters category, so it is intended for shaping cove profiles rather than general-purpose routing.
The Betterley coving bit is used on deck and back splash assemblies after adhesive is applied, routing along the joint to create the 3/8 inch cove while clearing excess material.
The one-pass design lets installers shape the 3/8 inch radius cove and remove excess adhesive at the same time, reducing separate cleanup steps around the deck and back splash joint.
This 3/8 inch radius coving router bit is manufactured by Betterley and offered by Wurth Baer Supply, aligning it with a dedicated router accessories product line.
The Betterley Coving Router Accessories Replacement Bit with a 3/8 inch radius is designed to cut the cove and remove excess material and adhesive from a deck and back splash in one pass, so it ties profiling and cleanup into a single routing move. As a profiling router bit in the Bits, Blades and Cutters category, it serves as a dedicated tool for that curved joint detail, helping shops and installers repeat the same 3/8 inch radius across multiple assemblies. For projects using deck and back splash transitions, this CB3870 coving bit from Wurth Baer Supply offers a focused way to route the required profile while managing adhesive at the same time.