Amana Tool AMS-148-K 4-Pc SC Spektra Extreme Tool Life Coated 2D/3D Carving 1/4 Inch SHK Router Bit Pack

Amana Tool® Item #AMS-148-K
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Set #AMS-148-K includes the following:

Tool No
Product Page
CNC 2D and 3D Carving 6.2° Tapered Angle Ball Tip x 1/32" Dia x 1/64" Radius x 1" Cut Height x 1/4" Shank x 3" Long x 3 Flute Solid Carbide Spektra™ Coated Router Bit
CNC 2D and 3D Carving 5.4° Tapered Angle Ball Tip x 1/16" Dia x 1/32" Radius x 1" Cut Height x 1/4" Shank x 3" Long x 4 Flute Solid Carbide Spektra™ Coated Router Bit
CNC 2D and 3D Carving 1° Tapered Angle Ball Tip x 1/8" Dia x 1/16" Radius x 1-1/2" Cut Height x 1/4" Shank x 3" Long x 3 Flute Solid Carbide Spektra™ Coated Router Bit
CNC 2D and 3D Carving 0.10° Straight Angle Ball Tip x 1/4" Dia x 1/8" Radius x 1-1/2" Cut Height x 1/4" Shank x 3" Long x 2 Flute Solid Carbide Spektra™ Coated Router Bit

Solid Carbide Spektra™ Extreme Tool Life Coated 2D/3D Carving Straight Ball Nose (Conical Ball) Router Bits with special unique carbide with nACo® nanocomposite coating for longer lifetime.

Specially designed for 2D and 3D CNC profiling and carving in plastic, aluminum & wood with CNC machines. The high-shear ball nose tips cut smooth 2D and 3D contours with reduced stepping while the proprietary Spektra™ (applied by the physical vapor deposition coating process) provides high resistance to wear, sharper cutting edges, extended tool life and less friction and heat buildup.

Tools are manufactured with high balance that allows them to run up to 60,000 RPMs. Adjust your chip load and feed rate accordingly.


  • A perfect bit for 3D carving
  • 2D and 3D contouring, profiling, modeling and pattern making for cabinetry, sign making, furniture making and jewelry mold making
  • Dimensional signage
  • 3D millwork
  • Precision 2D and 3D large scale carving
  • Great for deep profiling
  • Perfect for model-makers on large 3D milling profiles in abrasive EPS foam and other materials

Excellent for cutting:

  • Acrylonitrile-Butadiene-Styrene (ABS)
  • Acrylic
  • Acrylic Stone
  • Composite
  • Corian
  • Coroplast®*
  • Dibond®
  • Ethafoam***
  • Ethylene-vinyl Acetate Foam (EVA)
  • Expanded Polystyrene Foam (EPS)
  • Expanded Polypropylene (EPP)**
  • Extruded Polystyrene Foam (XPS)
  • Fiberglass
  • Fiberglass PCB Board
  • Foam Board
  • Graphite
  • HDPE
  • HDU
  • 20lbs High Density Urethane
  • Polycarbonate Lexan™
  • Polyethylene (PE) Foam***
  • Phenolics
  • Plastics
  • Phenolic Composites
  • Poly (methyl methacrylate) (PMMA)
  • Polyethylene (PE) Foam
  • Polylam***
  • Polyurethane Foam
  • PVC
  • PVC Foam Board
  • Sign Board
  • Sign Foam
  • Titanium
  • Tooling Board
  • Wood
  • XPE (Cross Linked Polyethylene) Foam

*Coroplast® is soft plastic cardboard made with super soft, super flexible PVC.
**Expanded polypropylene (EPP) is a foam form of polypropylene.
***Ethafoam, Polyethylene and Polylam are durable, flexible, closed-cell foams with excellent memory.

Spektra™ bits feature a nACo® nanocomposite coating with an extreme nanohardness and heat resistance. With a brilliant distinctively-tinted coloring nACo provides additional improvements in four critical aspects of router tooling.

    • nACo coating is a micro-thin ceramic coating which enables the tool's cutting edge to retain crucial sharpness and lubricity. This provides longevity and produces cutting results of the highest quality.
    • Coating prevents high heat and oxidation which is detrimental to cutting tool performance. Multi-colored hues, while attractive, will dissipate upon use and yet coating will remain fully effective.
    • nACo offers approximately 4,500 Vickers for impressive solid hardness on cutting areas of the tool, for an increase up to 2.5 times compared to uncoated bits.

Milling Plastics

In a milling application, all plastics tend to behave differently so attention must be paid first and foremost to heat input, as that greatly impacts surface finish and chip control. Some of Amana Tool carving tools, as you can appreciate has a very small diameter and so any material chip-loads need to reflect that small size. It can however withstand RPM’s up to 60,000 RPMs. A directed air-blast to keep chips away along with cooling the tool and work piece are always welcome.

Note: Blue based color dissipates immediately upon use. nACo® nanocomposite coating will not wear off.

WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to
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