MD-4 Steel Rod Butt Welder
Stainless Steel, Steel, Titanium
View Product
Butt Welder
MD-8
The MD-8 is the largest model in Micro Weld’s MD series, engineered for the heaviest steel rod work — solid steel, stainless, and titanium rod from 1.00 to 1.75 in (25.4–44.45 mm). Its motor-driven cam upset generates the substantial, repeatable pressure needed to form sound welds in large-diameter rod, while the water-cooled headpiece and foot-controlled pneumatic clamping keep heavy stock precisely aligned through continuous production. Built around an extra heavy-duty transformer for stable heat, the MD-8 is the choice for steel rod producers pushing the top of the size range.
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Metal:
Stainless Steel, Steel, Titanium
Construction:
Solid
Solid Steel Welding Range:
1.00 in (25,4 mm) - 1.75 in (44,45 mm)
Max Current Draw:
???
Single Phase Transformer:
Yes
Heat Selection Method:
99 STEPS SCR
Upset Method:
Motorized Cam
Air Requirements:
n/a
Mounting Truck Type:
4 Wheels
- Heavy Duty Screw Type Anneal X-cal
- Heavy Duty Vise
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
Largest-gauge re-bar and structural reinforcing rod
Heavy anchors, bar stock, and industrial rod
Structural steel rod for fabrication and construction supply
Large-diameter feedstock for forming operations
Heavy titanium and stainless rod applications
Real-World Benefits
- Top-of-range capacity: Handles the largest solid steel rod in the MD line, up to 1.75 in.
- Powerful, repeatable upset: The motor-driven cam delivers consistent pressure essential for full-strength welds in heavy rod.
- Sustained operation: A water-cooled headpiece keeps the machine welding through demanding runs.
- Heavy-duty conditioning: An optional heavy-duty screw-type X-cal anneal supports post-weld processing on large stock.
- Stable heat: The extra heavy-duty transformer maintains consistent welding energy across the size range.
Comparison to Similar Models
The MD-8 tops the MD line, extending capacity beyond the MD-6 (.750–1.500 in) to a maximum of 1.75 in. For rod at or below 1.500 in, the MD-6 is typically the more economical choice, and lighter work below 1.00 in is better matched to the MD-4 or MD-5. Where the RW series closes formed rings and the J8S and THD handle smaller solid rod, the MD-8 is dedicated to the largest solid steel rod welds Micro Weld’s MD platform supports.
Best For
- Producers welding the largest solid steel rod, up to 1.75 in
- Structural, re-bar, and heavy industrial rod manufacturing
- Operations at the top of the steel rod diameter range
