Four Complementary Angles
The pack combines 15°, 30°, 60° and 90° profiles for fine engraving, lettering, decorative V-grooves, chamfers and bevels.


Amana Tool AMS-312-K is a four-piece solid-carbide Spektra™ Extreme Tool Life coated CNC router bit pack containing 15°, 30°, 60° and 90° engraving and V-groove tools. Every included tool uses a 1/4-inch shank for signmaking, lettering, decorative V-grooves, chamfers and bevels.
Four individually identified solid-carbide tools cover fine 15° engraving plus 30°, 60° and 90° V-groove profiles. The Spektra™ nACo® ceramic coating is applied over the carbide cutting geometry.
The official product page identifies use with handheld, table-mounted and CNC routers. Match each 1/4-inch shank to a compatible collet and use only the data associated with the exact included Amana Tool item number.
Amana Tool AMS-312-K is the exact four-piece pack shown on its dedicated official product page in the Solid Carbide Spektra™ Extreme Tool Life Coated V-Groove Signmaking & Lettering Router Bits family. The pack contains one each of Tool Nos. 45611-K, 45634-K, 45631-K and 45633-K.
Tool No. 45611-K is a 15° single-flute engraving tool with a 0.005-inch tip, 0.93-inch cutting height and 2-1/4-inch overall length. Tool No. 45634-K is a 30° three-flute V-groove tool with a 1/4-inch diameter, 27/64-inch cutting height and 2-inch overall length.
Tool No. 45631-K is a 60° four-flute V-groove tool with a 1/4-inch diameter, 7/32-inch cutting height and 2-1/2-inch overall length. Tool No. 45633-K is a 90° four-flute V-groove tool with a 1/4-inch diameter, 1/8-inch cutting height and 2-1/2-inch overall length. All four tools use 1/4-inch shanks and the official instruction booklet lists an 18,000 RPM CNC reference for each included item.
Technical Specifications
The pack combines 15°, 30°, 60° and 90° profiles for fine engraving, lettering, decorative V-grooves, chamfers and bevels.
Every included Tool No. uses solid-carbide cutting geometry and a common 1/4-inch shank interface.
Amana Tool applies its micro-thin nanocomposite ceramic coating to support edge sharpness, lubricity, heat resistance and oxidation resistance.
Confirm exact pack SKU AMS-312-K and the individual Tool No. before loading any tool database or machine settings. Use a compatible 1/4-inch collet, adequate cutter clearance and guarding, secure workholding and the Amana Tool instructions associated with the exact included item. Do not treat one tool's dimensions or operating data as interchangeable with another angle. Follow Amana Tool and router or CNC machine-manufacturer safety documentation.
Amana Tool AMS-312-K combines one 15° engraving tool with 30°, 60° and 90° V-groove tools in a single four-piece solid-carbide, 1/4-inch-shank pack.
Its verified tool mix, Spektra™ nACo® coating and broad official material list support detailed signmaking, lettering, engraving, decorative V-grooves, chamfers and bevels across handheld, table-mounted and CNC router applications.