Miller 907711001 Maxstar 161 STH DC TIG/Stick Welder w/ Fingertip Control (HF Start)
$1,222.00
The Miller Maxstar 161 STH (907711001) is a high-end ultra-portable DC TIG/Stick welder built for professionals who need HF arc starting, fingertip amperage control, and pulsed TIG capability in a 13 lb field-ready machine. It is ideal for stainless steel and mild steel TIG welding in mobile or restricted-access environments, but it is not designed for aluminum TIG or heavy industrial production.
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Description
Miller 907711001 Maxstar 161 STH DC TIG/Stick Welder w/ Fingertip Control (HF Start)
The Miller Maxstar 161 STH (907711001) is a professional ultra-portable DC TIG and Stick inverter welder designed for demanding field work. It is part of Miller’s lightest industrial TIG platform, delivering 160A DC output in a 13 lb (≈6 kg) package, making it ideal for mobile welding, pipe work, and maintenance applications.
This STH version is the advanced variant of the Maxstar 161 series, adding HF (High Frequency) start + pulsed TIG capability + fingertip amperage control, making it significantly more capable than the STL model.
Key Features
- HF Start (non-contact arc ignition)
- Cleaner starts, especially useful for precision TIG work
- Fingertip amperage control
- Adjust heat in real time without leaving the torch position
- Pulsed TIG capability
- Better heat control for thin stainless and precision joints
- Dual-voltage operation (120V / 240Vt
- Works on household or workshop power
- Strong Stick performance
- Handles common field electrodes like 6010 / 7018
- Ultra-portable 13 lb inverter design
Best Applications
- Pipe welding (field & maintenance)
- Stainless steel fabrication
- Industrial repair (MRO)
- Shipyard / offshore maintenance
- Automotive performance fabrication
- Tight-space or overhead welding
- Mobile welding service rigs
Advantages
- Extremely lightweight and portable
- HF start improves arc precision and cleanliness
- Fingertip control is ideal for awkward positions
- Excellent low-amp TIG stability (thin materials)
- Dual-voltage flexibility for field or shop use
- Industrial-grade Miller reliability
Limitations
- DC only → cannot TIG weld aluminum
- No MIG capability
- Limited duty cycle for heavy production welding
- Not intended for thick structural fabrication
| Processes | DC TIG (GTAW), Stick (SMAW) |
|---|---|
| Input Voltage | 120V / 240V Auto-Line |
| Output Range | 5 – 160A |
| Max Output | 160A |
| Arc Start | HF start + Lift-Arc capability |
| Control Type | Fingertip amperage control (torch-mounted) |
| Weight | ~13 lb (6 kg) |
| Duty Cycle | ~20% @ max output (240V) |
| Welding Type | DC only (no AC aluminum TIG) |
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