Jasper Precision Tools J601 Upcut Spiral Router Bit — 1/4" Shank | Solid Carbide | Clean Bottom Edge & Chip Clearing | Workhorse Bit for Circle Guides, CNC & Handheld Routers
- ⭐ UPCUT SPIRAL GEOMETRY — CLEAN BOTTOM EDGE, EFFICIENT CHIP CLEARING — The J601 delivers everyday precision for the full range of woodworking and circle cutting applications. Upcut spiral geometry lifts chips upward and out of the cut — producing a clean bottom edge, flat-bottom grooves, and efficient chip evacuation in solid wood, plywood, MDF, laminates, and hardwoods. The reliable workhorse of the Jasper Precision Circle System. Created by aerospace-era engineer Les Jasper, who demanded obsessive accuracy. Not mass-market compromise.
- 🎯 MANUFACTURER-RECOMMENDED FOR JASPER CIRCLE GUIDES — The J601 is the manufacturer-recommended everyday cutting bit for the complete Jasper circle guide family: Models 200, 240, 280, 290, 300, and 390. Precision upcut performance for speaker cutouts, inlays, furniture components, cabinet parts, and every circle cutting application where bottom-edge quality and chip clearing matter. The workhorse bit that belongs in every Jasper system.
- 🏆 SOLID CARBIDE — PRECISION GROUND — Manufactured from solid carbide and precision-ground for balance at high RPMs. Delivers consistent upcut performance at CNC and handheld router feed rates. Long tool life, heat resistance, and repeatable accuracy across extended use. 1/4" shank, 1/4" cutting diameter, 1" cutting length, 2-1/2" overall length, 2 flutes.
- 💎 THE WORKHORSE TIER — OR UPGRADE TO THE 603TT — The J601 is the everyday workhorse: solid carbide, clean bottom edge, efficient chip clearing — the reliable choice for everyday shop use, general woodworking, and standard circle cutting. For finish-critical applications where both faces of the workpiece are visible, upgrade to the Jasper 603TT Compression Bit (sold separately) — AP nano coating, compression geometry, clean top AND bottom in a single pass.
- ⚙️ COMPATIBLE WITH ALL 1/4" COLLET ROUTERS & CNC MACHINES — Works with all handheld routers and CNC machines using a standard 1/4" collet. Ideal for grooves, dados, slots, mortises, pockets, joinery, and precision circle cutting with Jasper circle guides. For finished surfaces where even a pivot hole is unacceptable, add the Jasper M350 Blemish-Free Pivot Plate (sold separately).
Estimated shipping
Select a product to estimate shipping.The Jasper Precision Tools J601 Upcut Spiral Router Bit is a durable and reliable tool designed for precise circle cutting in a variety of woodworking projects. Crafted with solid carbide and featuring upcut spiral geometry, this bit delivers clean results and efficient chip removal, making it a valuable addition to any workshop.
Key Highlights
- Clean Bottom Edge: Upcut spiral design lifts chips away from the cut, creating a smooth, flat-bottomed groove.
- Efficient Chip Clearing: The spiral geometry effectively evacuates chips, reducing clogging and improving cutting performance.
- Versatile Material Compatibility: Suitable for use with solid wood, plywood, MDF, laminates, and hardwoods.
- Ideal for Circle Guides: Specifically designed and recommended for use with the Jasper Circle Guide family.
- Durable Construction: Made from solid carbide for long-lasting performance and reliability.
Useful Facts
- Size: 1/4 inch diameter by 1 inch length
- Material: Solid Carbide
- Brand: JASPER PRECISION TOOLS
- Cutting Type: Up-Cut
- Number of Flutes: 2
Good Fit For
- Speaker Cutouts
- Inlays
- Furniture Components
- Cabinet Parts
- General Circle Cutting Applications
Product details
Specifications
| Main Specification | |
|---|---|
| Manufacturer | Jasper Tools |
| Unit Count | 1 Count |
| Cutting Diameter | 0.25 Inches |
| Brand | Jasper Precision Tools |
| UPC | 700306982870 |
| Number of Items | 1 |
| Cut Type | Up-Cut |
| Cutting Length | 1 Inches |
| Included Components | 1 carbide spiral router bit |
| Item Diameter | 0.25 Inches |
| Material | Carbide |
| Size | 1/4 inch diameter by 1 inch length |
| Product information | |
|---|---|
| Number of Packs | 1 |
| Technical Details | |
|---|---|
| Part Number | J601 |
| Model | J601 |
| Material Type | carbide |
| Number of Flutes | 2 |
| Others | |
|---|---|
| Product Type | Spiral |
| Size Name | 1/4 inch diameter by 1 inch length |
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