Piranha 3A Tungsten Electrode Grinder

Tungsten Electrode Grinders, Tungsten Sharpeners
New & Improved

Tungsten Electrode Grinders, Tungsten Sharpeners Details


DGP-PG3-A Piranha III Tungsten Grinder

Piranha III A Tungsten Grinder. This grinder is designed for maximum commercial use and includes a universal collet which will grind from .040-3/16. The construction of the New PIII unit is aluminium and very user friendly. The Piranha III unit is also enclosed for containment of excess tungsten electrode dust. (20" x 16" x 16" - 38 lbs / 508mm x 406.5mm x 406.5mm - 17.2 kg)

The new Piranha III Features:

  • Sliding dust shield for dust containment
  • Integrated receptacle area for ease of handling electrodes
  • Recessed handle for better form & function
  • On/off switch with LED light for improved display of unit operation
  • Lightened chassis for reduced weight
  • Signature blue powdercoat
  • Easy set up, optimal consistency and near-perfect repeatability
  • Compact, durable and solid design with no vibration
  • Longitudinal 20 RA grinding for maximum arc starting, arc stability, electrode life and weld penetration
  • Universal collet arm for 6 electrode sizes - 040” (1.0mm), 1/16” (1.6mm), 3/32” (2.4mm), 1/8” (3.2mm), 5/32” (4.0mm) & 3/16” (4.8mm) - with no equipment changes
  • Included angle scale for angles from 10° - 60°
  • Precision tip flat gauge & depth adjustment stop ensures exact Tungsten points every time - enabling consistent, repeatable arc performance and welding output
  • Dust Shield & Containment Baffle to keep dust inside the grinder housing, for safety and easy disposal
  • Tip flat block for square end grinding and removing bad tips
  • Electrode notching station for simple cut-off
  • Detailed Manual with valuable engineering data and welding recommendations
  • Port ready for Vacuum upgrade
  • Integrated receptacle for electrode storage/access
  • Recessed carry handle for better form & function

.040" (1.0mm)

1/16" (1.6mm)

3/32" (2.4mm)

1/8" (3.2mm)

5/32" (4.0mm)

3/16" (4.8mm)

Same unit as above. Includes vacuum system as well as foam insulated cabinet and flexible spotlight.


  • Safety
    Enclosed grinding area captures Tungsten dust for easy disposal.
  • Productivity
    Correctly & consistently diamond grind your Tungsten Electrode (up to 3/16”) longitudinally in less than 30 seconds.
  • Weld Quality
    20 Ra surface finish improves Tungsten life, arc starting, arc stability and produces consistent weld penetration.
  • Value
    The Piranha III Diamond grinds, flats and notches your Tungsten economically.


Range of Included Angle:
10 to 60 degrees

Electrode Diameters:
040" (1.0mm), 1/16" (1.6mm), 3/32" (2.4mm), 1/8" (3.2mm), 5/32" (4.0mm), 3/16" (4.8mm)

Minimum Electrode Length:
.75" (19.05mm)

100/120 VAC, 50/60Hz, 220v

Power Consumption:
500 Watts

1/3 hp, 1,680 rpm, 5.0 amps

Length: 20" (508mm)
Width: 16" (406.5mm)
Height: 16" (406.5mm)
Weight: 38 lbs (17.2kg)

Diamond Ground Products Ltd is dedicated to the improvement of weld quality & welder productivity, and maintains a reputation as the industry leader in tungsten and tungsten preparation. Our ongoing management philosophy is to provide quality product and receptive service that exceeds even the most stringent expectations. Contact DGP today to see how we can help with your current or future welding applications.

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