Before welding, the surface of work piece needs to be free of dirt, rust, scale, oil or paint or it will create brittle and porous welds.
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Klutch Reconditioned ST80i Inverter-Powered DC Stick Welder with TIG Option — 115 Volt, 20–75 Amp DC, 90 Amp Peak

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- Increased power in a super lightweight package for exceptional portability
- The inverter system better handles fluctuations in input power for consistent output and better welds
- Requires less input amperage, reducing the overall input power requirement by up to 25% when compared to traditional transformer welders
- Welds with 1/16in., 5/64in. or 3/32in. electrodes
- Smooth DC inverter arc, hot start and anti-stick features for easy operation
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Key Specs
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Product Summary
This welder is factory reconditioned to perform like new. NorthernTool.com offers reconditioned tools and equipment that meets the same standards and quality as new products, yet give you identical features at considerable savings. This welder is warranted for 30 days parts and labor, with Service Protection Plan available.
What's Included
- (1) ST80i Inverter Stick/TIG Welder
- (1) Welding cable with electrode holder
- (1) Ground cable and clamp
- (1) Shoulder strap
Features + Benefits
- Increased power in a super lightweight package for exceptional portability
- The inverter system better handles fluctuations in input power for consistent output and better welds
- Requires less input amperage, reducing the overall input power requirement by up to 25% when compared to traditional transformer welders
- Welds with 1/16in., 5/64in. or 3/32in. electrodes
- Smooth DC inverter arc, hot start and anti-stick features for easy operation
- Amperage output: 20-75 Amps DC, 90 Amp peak
- Optional TIG torch (Item# 20462 – sold separately) available for lift start on mild and stainless steel materials
- Includes shoulder strap for portability
Key Specs
| Attribute | Specification |
|---|---|
item# | 49501 |
Brand | Klutch |
Manufacturer's Warranty | 3 months parts / 3 months labor |
Ship Weight | 13.4 LB |
Volts | 115 |
Max. Amps | 75 |
Power Type | DC |
Multi-process | Yes |
| Attribute | Specification |
|---|---|
Max. Weld Thickness | 0.13 in |
Duty Cycle | 20% at 75A |
Weldable Materials | Mild steel, stainless steel, cast iron, hard surfacing |
Min. Amps | 20 |
Power Cord Length | 5 ft |
Clamp Cable Length | 6.5 ft |
Electrode Cable Length | 10 ft |
Dimensions L x W x H (in.) | 12 x 5 x 9 in |
Reviews
Questions & Answers
Questions
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· 9 years ago
st80i welderhow does it weld if metal is not clean
1 answer-
KlutchExpert13· 9 years ago
Helpful?
-
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Warranty
Manufacturer's Warranty
3 months parts / 3 months labor
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Replacement Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
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Shipping: Sold Out
Item # 49520
$39.99Shipping:
Not availableIn Store Only:
Item # 99339
$5949.99Shipping:
Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
- $1949.99
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Free shipping (lower 48 states) - Factory shippedStore Pickup:
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Specifications
115
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Multi
120/230
75
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300
155
DC
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DC
DC
Yes
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No
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0.13 in
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0.25 in
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20% at 75A
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30%
75A/23.0V/100%
Mild steel, stainless steel, cast iron, hard surfacing
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20
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35
5
5 ft
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10 ft
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6.5 ft
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10 ft
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-
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12 x 5 x 9 in
22.25 x 6.625 x 3 in
17.0 x 19.0 x 21.5 in
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350.0000 lb
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Stick, TIG








