Piranha III A Tungsten Electrode Grinder


The Piranha III A tungsten electrode grinder / sharpener provides welders with an easy to use & economical tool to precisely grind, cut and flat tungsten electrodes up to 3/16” in diameter.

  • For tungsten sizes 0.040” – 3/16” diameter. (1.0mm – 4.8 mm)
  • Enclosed work area provides operator dust containment and added safety
  • Designed to provide years of trouble free tungsten grinding operation


Variants available:
Including vacuum system as well as foam insulated cabinet and flexible spotlight.

SKU: DGP-PG3-A Category:


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 PIII A unit is aluminium and very user friendly. The Piranha III unit is also fully enclosed with a 100% containment of excess tungsten electrode dust. (20″ x 16″ x 16″ – 38 lbs / 508mm x 406.5mm x 406.5mm – 17.2 kg)

  • Sliding dust shield for 100% 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 100% of 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


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: 12\” (406.5mm)
Weight: 38 lbs (17.2 kg)