Old Sumner Part Number
780260
Old B&B Part Number
3501
The B&B SUMNER Big Vee Jax™ with V-Head is a heavy-duty jack stand designed to align and stabilize large-diameter pipe in demanding industrial and fabrication environments. Engineered for professional welders and pipefitters, it supports pipe from 4" to 36" (101.6–914.4 mm) and carries loads up to 5,000 lbs (2,265 kg). A gear-driven ACME screw provides fast, precise height adjustments, while the three-legged 1" square-tube steel frame and 32" (812.8 mm) base width deliver excellent stability on both shop floors and field sites.
- Standard V-head securely cradles pipe for fit-up, alignment, and welding.
- Pipe capacity from 4" to 36" (101.6–914.4 mm) for large-diameter systems.
- 5,000 lb (2,265 kg) load capacity for heavy-duty industrial applications.
- 12" (305 mm) V-head width for stable support across wide pipe surfaces.
- Gear-driven ACME screw allows quick, accurate height adjustments.
- Three-legged steel frame offers reliable stability in shop or field use.
- Increased leg thickness and larger tube dimensions add strength and rigidity.
- 32" (812.8 mm) base width improves balance and reduces tipping risk.
- Compatible with optional JAX™ Large V-Head attachments for added versatility.
- Load Capacity: 5,000 lbs (2,265 kg) – Pipe Capacity: 4"–36" (101.6–914.4 mm)


