Product Overview

The Sheet Metal Panel Clamp Set (Part No. BWC8) is an essential alignment tool for automotive restoration, rust repair, and custom sheet metal fabrication. Designed to perfectly align sheet metal panels edge-to-edge and surface-to-surface, these miniature butt-weld clamps take the frustration out of splicing patch panels or hanging quarter panels.

Instead of struggling with magnets or locking pliers that can cause the metal to overlap or sit unevenly, these intergrip clamps hold the two pieces of metal perfectly flush while simultaneously establishing a uniform 0.040" gap. This precise spacing is the optimal distance for achieving strong, full-penetration butt welds with MIG or TIG equipment without burning through the thin automotive steel or causing excessive warpage.

Key Features

• Perfect Edge-to-Edge Alignment: Grips panels perfectly flush on the surface level, eliminating the overlapping "step" between panels. This drastically reduces the amount of grinding and body filler required to finish the repair.

• Precise 0.040" Weld Gap: Automatically spaces the sheet metal to a tight 0.040" (approx. 1mm) gap. This ensures the welding arc penetrates fully through the joint for a structural repair.

• Upgraded Design: Features an improved, longer threaded area that allows the clamps to easily accommodate and securely lock down varying sheet metal thicknesses.

• Heavy-Duty Steel Construction: Manufactured from durable steel with a natural finish, making them highly resistant to heat, spatter, and the general abuse of an active welding environment.

• Complete 8-Piece Set: Includes eight individual clamps, providing enough holding power to properly space and tack weld long seams, such as full roof skins or quarter panel replacements.

Technical Specifications

Ideal Use Cases & Applications

• Rust Patch Repair: The absolute best method for securing small floor pan patches, fender arches, or rocker panel sections completely flush before tack welding.

• Auto Body Panel Replacement: Essential for keeping large quarter panels, door skins, or roof skins spaced correctly while executing a long sequence of staggered tack welds to prevent panel warping.

• Custom Sheet Metal Fabrication: Highly useful for metal fabricators building custom fuel tanks, exhaust shrouds, or metal dashes that require pristine, flush butt joints.

Common Questions (FAQs)

Q: How do I remove the clamp after tack welding?
A: Once you have placed tack welds between the clamps to secure the panel in place, simply loosen the wing nut, push the square locking bar down, and slide the clamp out of the 0.040" gap. You can then fill in the remaining gap with your welder.

Q: Will these clamps work on thicker metals?
A: Yes. The new, improved longer threaded area allows these clamps to accommodate standard automotive sheet metal (typically 18 to 22 gauge) as well as slightly thicker custom fabrication metals with ease.

Q: Do these clamps cause the metal to warp?
A: No, the clamps themselves do not cause warpage. In fact, by providing a precise 0.040" gap, they allow the weld puddle to expand into the gap rather than pushing the panels against each other, which actively helps to minimize heat distortion during the welding process.

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