Non-ferrous Metal / Aluminum & Copper

Circular Saw Blade for Aluminum Cutting

Product Code: NF5D

TCT circular saw blade for aluminum cutting with a -5 degree negative hook angle. Best suited for machining setups where the spindle is above the workpiece, delivering more controlled and stable cutting action.

Grade:
Industrial
Machines:
Overhead-spindle cut-off saws, pendulum saws, radial arm saws, and top-down double-head cutting machines
Materials:
Aluminum profiles, tubes, bars, plates, and similar non-ferrous sections
Applications:
Controlled aluminum cutting in top-down spindle machining scenarios

OEM/ODM Materials & Processes

Body Material:
75Cr1/80CrV2/SKS51
Tips Material:
Tungsten carbide
Expansion Slots:
Available with or without copper plugs
Coating:
Polished finish or chrome plating
Tension ring:
Visible or concealed configuration
Anti-vibration Design:
Slots or slots filled with thermoplastic polyurethane (TPU)

Typical Specifications

CodeD Diameter (mm)B Kerf (mm)b Body (mm)d Bore (mm)Z Number of teethTooth typePinholesα Hook angle (°)
NF5D01811802.01.325.460TCG--5
NF5D01821802.01.325.480TCG--5
NF5D02012052.51.825.4100TCG--5
NF5D02312302.51.825.4100TCG--5
NF5D02512552.82.225.480TCG--5
NF5D02522552.82.225.4100TCG--5
NF5D02532552.82.225.4120TCG--5
NF5D03013053.02.425.480TCG--5
NF5D03023053.02.425.4100TCG--5
NF5D03033053.02.425.4120TCG--5
NF5D03513553.22.525.480TCG--5
NF5D03523553.22.525.4100TCG--5
NF5D03533553.22.525.4120TCG--5
NF5D04014053.52.825.480TCG--5
NF5D04024053.52.825.4100TCG--5
NF5D04034053.52.825.4120TCG--5
NF5D04514554.03.225.480TCG--5
NF5D04524554.03.225.4100TCG--5
NF5D04534554.03.225.4120TCG--5
NF5D05015004.53.825.480TCG--5
NF5D05025004.53.825.4100TCG--5
NF5D05035004.53.825.4120TCG--5
NF5D05045004.53.825.4144TCG--5
  • Specifications can be tailored to meet customer requirements.

Typical Applications

  • Cut-to-length cutting of aluminum profiles and tubes on top-down cutting units.
  • Aluminum sawing on machines where the spindle position is above the workpiece, which is common in many aluminum processing lines
  • Daily production lines that require stable cutting behavior, minimal vibration and consistent edge quality.

Key Performance Advantages

  • The -5° negative hook angle ensures controlled tooth entry from above, significantly reducing the grabbing tendency typical in top-down cutting setups and delivering smoother, more stable operation.
  • Teeth are made of premium ultra-fine grain tungsten carbide, offering excellent wear resistance, sharp cutting edges, and long service life even when processing abrasive aluminum alloys.
  • The saw body is manufactured from high-quality tool steel, providing superior rigidity, excellent heat dissipation, and outstanding dimensional stability under high-speed operation.
  • Supports cleaner, more predictable aluminum cutting when matched with proper speed and feed.

Problems This Circular Saw Blade Helps Solve

  • Unstable cut behavior and vibration often experienced when using positive-hook blades on top-down spindle machines.
  • Increased grabbing or climbing risk in overhead cutting configurations, which can lead to poor cut quality and potential safety concerns.
  • Inconsistent edge quality and frequent burrs caused by mismatch between saw blade geometry and the specific demands of top-down aluminum cutting.
  • Premature saw blade wear and frequent tool changes due to unsuitable tooth material or saw blade design in high-volume aluminum sawing.

Application Notes

  • This model is specifically engineered for top-down spindle cutting conditions and is not recommended for bottom-up or horizontal setups.
  • For best results, always use appropriate lubrication (mist or flood) and ensure effective chip evacuation to prevent aluminum adhesion on the teeth and body.
  • Before starting production, carefully check saw blade runout, flange clamping, and overall machine rigidity.
  • Stable feed speed is critical — avoid sudden changes that may affect cut quality.
  • Timely regrinding and proper maintenance will help maintain optimum performance and extend saw blade life significantly.

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