Description
The Fein 31343790140 ROTO-STAR III Rotary Welding Positioner with Foot Pedal and Control Box is a high-capacity rotary welding positioner designed to handle workpieces up to 250 lbs (113 kg) and 4-1/2″ (114 mm) diameter. Equipped with an 8″ chuck, it provides a stable work platform for precise, high-quality welds. The positioner rotates a full 360 degrees at a steady speed and tilts up to 90° in 15° increments, offering enhanced mobility and flexibility. Its lightweight yet heavy-duty construction reduces operator fatigue and increases productivity. The included foot pedal and control box allow controlled and efficient operation for professional welding applications.
Features
- Stable work platform for accurate and seamless welds.
- Full 360° rotation for safe and controlled welding.
- Tilt adjustment up to 90° in 15° increments for flexible positioning.
- Heavy-duty, lightweight construction reduces operator fatigue.
- Includes 8″ chuck, standard foot pedal, and control box.
Benefits
- Enhances welding precision and consistency on larger workpieces.
- Increases productivity by minimizing handling and repositioning.
- Provides a safe and stable work environment for professional welds.
- Flexible operation allows for complex welding angles and positions.
- Durable construction ensures reliable performance in workshop settings.
Technical Specifications
- Current/Voltage: 1 x 120 V
- Chuck: 8″ (203 mm)
- Internal Chuck Diameter: 2-1/2″ (64 mm)
- Rotation at 0°: 20″ (508 mm)
- Vertical Carrying Capacity: 250 lbs (113.5 kg)
- Horizontal Carrying Capacity: 150 lbs (68 kg)
- Spindle Speed: 0-8 rpm
- Tilt Adjustment: 0-90°
- Grounding Output: 300 Amp
- Weight: 90.39 lbs (41 kg)
- Includes: 1 chuck, 1 standard foot pedal, 1 control box






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