Best Router Bits for Guitar Making: Essential CNC Bits for Luthiers
Crafting guitars with precision requires the right router bits designed for detailed carving, accurate grooves, and deep cuts. This guide highlights five top-rated bits that guitar makers can rely on for necks, bodies, inlays, and cabinetry components. Each selection emphasizes durability, precision, and compatibility with common 1/4″ shank machines, helping you achieve professional results with fewer tool changes.
| Product | Brand | Category |
|---|---|---|
| IDC Woodcraft Extended Length CNC Router Bit Set (3-Piece) | IDC Woodcraft | Deep-cut, guitar-making focus |
| FOOS Engraving CNC Wood Carving Router Bit Set – 4pcs | Foos | Engraving, profile and liner work |
| EANOSIC 5PCS CNC Wood Carving Router Bits Set | EANOSIC | Detail carving, V grooves |
| MNA 90 Degree V Groove and Round Nose Router Bit Set | MNA | Signmaking and relief routing |
| Junreox Tongue and Groove Router Bit Set, 3rd Gen. | Junreox | Tongue & groove joints for woodworking |
Below are five product sections detailing how each bit supports guitar making, along with key features and considerations to help you choose the right tool for your luthier projects.
IDC Woodcraft Extended Length CNC Router Bit Set (3-Piece)

The IDC Woodcraft Extended Length set is designed for deeper cuts and fewer bit changes on deep-body guitar components or thick tops. With three specialized bits, this set focuses on extended reach and reliable carbide performance, helping luthiers achieve clean pockets, accurate cavities, and consistent profiles in larger parts. The bits are built for durability in demanding CNC sessions, and the extended length helps when routing deeper cavities or profiles on guitar bodies and neck pockets where deeper access is required. This set aligns well with guitar projects that demand fewer interruptions during production.
FOOS Engraving CNC Wood Carving Router Bit Set – 4pcs

This premium 4-piece set emphasizes engraving and fine detailing, including 60° and 90° V grooves and a 15° detail carving liner. For guitar makers, these bits are ideal for inlays, rosette work, headstock embellishments, and decorative routing around pickups or control cavities. The solid carbide construction offers sharp longevity for clean, precise lines and tight tolerances essential to guitar aesthetics and fit. If your build involves decorative carving or precise 3D contouring, FOOS provides robust performance and repeatable results.
EANOSIC 5PCS CNC Wood Carving Router Bits Set

EANOSIC offers a complete five-piece set oriented toward CNC carving with guitar projects in mind. Its solid carbide, blue nano coating improves edge retention and heat resistance, helping maintain cutting quality through longer sessions. The 1/4″ shank is standard for most hobbyist and professional CNC machines. Features include a 15° detail liner, 20° profile, and multiple V-groove options to support decorative inlays and contouring, making it a versatile choice for guitar body carving, binding channels, and decorative surface work that demands precision and smooth finishes.
MNA 90 Degree V Groove and Round Nose Router Bit Set

The MNA signmaking set includes 90° V-groove and round nose bits, useful for inlay grooves, decorative surfaces, and relief routing. For guitar making, V-groove bits are valuable for inlays, binding channels, and decorative edges around pickguards or headstock areas. The bits are designed to balance smooth cuts with sharp edges, contributing to clean grooves and consistent engraving. While marketed for signmaking, the combination of V-groove and round nose provides a practical toolkit for detailed guitar inlays and relief work that require crisp, repeatable results.
Junreox Tongue and Groove Router Bit Set, 3rd Gen.

Junreox provides a 3-teeth adjustable tongue and groove set designed for precise joinery in woodworking projects. While primarily used for cabinet doors and frames, its tight-fit and adjustable spacing can help guitar makers who build solid-body or acoustic enclosures with precise joints. The anti-kickback design adds safety during use, and the 1/4″ shank supports common router machines. This kit can support projects requiring accurate joints or decorative edge work where strong, clean mating surfaces are essential for structural integrity and finish quality.
Buying Guide: Key Purchase Considerations For Guitar Making
- Material and coating: Look for solid carbide bits with wear-resistant coatings (e.g., nano blue) for longevity, especially when doing deep or frequent carving on guitar bodies and neck pockets.
- Shank size and compatibility: Most hobbyist CNC routers use 1/4″ shanks. Confirm shank diameter and a compatible flute count to ensure smooth cutting and minimal chatter.
- Bit geometry: V-groove, round-nose, and profile bits are essential for inlays, binding channels, and decorative contours. A set with a mix of these geometries supports a wider range of guitar styles.
- Length and reach: Extended-length bits help with deeper cuts or pockets, such as neck cavities and body contours. Consider sets that include longer bits for reduced tool changes.
- Depth of cut and RPM rating: Match bit depth capabilities with your CNC’s spindle speed. Higher RPM with quality carbide yields cleaner finishes on woods like maple, mahogany, and rosewood.
- Safety considerations: Anti-kickback designs, solid bodies, and proper feeds/speeds reduce risk during routing. Always wear protective gear and secure workpieces properly.
- Project alignment: If your focus is guitar making, prioritize sets that include engraving, V-groove inlays, and deep-cut options, alongside joinery bits for sturdy neck joints and body assemblies.
- Maintenance: Keep bits clean and free of resin buildup. Store them in labeled cases to minimize dulling and accidental damage.