J3S Steel & Stainless Wire Butt Welder
Stainless Steel, Steel, Titanium
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Butt Welder
J8S Steel Wire & Rod Butt Welder
The J8S is a top-tier model in Micro Weld’s J Series of solid-steel butt welders, engineered to join steel, stainless, and titanium wire or rod up to .500 in (12.7 mm) in diameter. It pairs an extra heavy-duty transformer with a pivot-type welding headpiece and foot-pedal, spring-loaded clamping and upset, giving operators precise, hands-free control over material positioning. Compact at 680 lbs yet built for continuous production, the J8S produces clean, repeatable welds on solid steel wire and rod without the need for a compressed-air supply.
- 240 or 480V, 60 Hz, single phase
- Solid state heat selection switch
- Pivot-type welding headpiece
- Foot pedal spring loaded clamping and upset mechanism
- Heavy duty truck -mount with caster wheels
Metal:
Stainless Steel, Steel, Titanium
Construction:
Solid
Solid Steel Welding Range:
.250 in (6,35 mm) - .500 in (12,70 mm)
Max Current Draw:
234/117/95
Single Phase Transformer:
Yes
Heat Selection Method:
99 STEPS SCR
Upset Method:
Mechanical
Air Requirements:
n/a
Mounting Truck Type:
4 Wheels
Dimensions & Weight:
Welding Die Height: 41 in (104 cm)
Width Across the Front: 31 in (79 cm)
Depth to the Back: 28 in (71 cm)
Height: 44 in (113 cm)
Weight: 680 lbs (308 kg)
Width Across the Front: 31 in (79 cm)
Depth to the Back: 28 in (71 cm)
Height: 44 in (113 cm)
Weight: 680 lbs (308 kg)
- Standard Vise
- Standard Top Anneal
- Complete Front Anneal
- 1/2 HP Grinder
- Dial Indicator for Front Anneal
Butt Welder Upgrades to Improve Your Precision and Productivity
Upgrade your Micro Weld butt welders with world-class safety & technology accessories. You’ll get the same quality, rugged welders with the safety features you need, creating uniformity with every machine and consistency with every training.
- New Finger Safe Covers & Components
- 24V Control Circuit
- Interlock Switch on Rear Access Panel
- Solid-State Heat Control
Applications
Spring manufacturing and coiled-wire products
Fastener and cold-headed rod stock
Wire forms and formed-wire components
Fence and fencing wire
Small-diameter tubing and hand-tool wire stock
Real-World Benefits
- Air-free operation: A mechanical, spring-loaded upset means no compressed-air line to plumb or maintain, lowering setup cost and downtime.
- Accurate alignment: The pivot-type welding headpiece holds both ends in true position for consistent, full-strength joints.
- Hands-free control: Foot-pedal clamping frees the operator’s hands to place and steady material during each cycle.
- Repeatable heat: Solid-state SCR heat selection delivers the same energy to every weld for uniform results.
- Finishing built in: Optional top and full-front anneal, a dial indicator, and a 1/2 HP grinder support post-weld ductility and clean-up on the same machine.
Comparison to Similar Models
Within the J Series, the J8S sits at the upper end of transformer capacity for solid steel, stainless, and titanium wire and rod up to .500 in. Unlike Micro Weld’s air-upset AD and RW machines, the J relies on a simpler mechanical upset, making it a strong choice for shops without compressed air. It overlaps in material and diameter with the in-line THD (.125–.500 in), but the J8S uses a pivot headpiece and foot-pedal clamping for standalone piece welding, whereas the THD is configured for continuous in-line rod processing. For solid steel rod larger than .500 in or higher production volumes, step up to the motorized-cam MD series.
Best For
- Producers welding solid steel, stainless, or titanium wire and rod up to .500 in
- Shops that want a rugged welder with no compressed-air requirement
- Spring, fastener, and wire-form manufacturers running steady production