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Black cast-iron C-clamp with powder coat finish and swivel pad

Wilton

Wilton 540A-4 4 in Carriage C-Clamp hand tool

SKU CH-3FXX-0QH1C MPN 540A-4

Carriage C-clamp opens to four inches with a 2-1/16 inch throat depth and delivers 2,150 lb clamping force

  • Product typeClamps
  • Surface finishPowder Coat
  • Product weight2.3
  • 4 in maximum opening handles wide workpieces
  • 2-1/16 in throat depth reaches past obstructions
  • 2,150 lb clamping pressure holds joints securely
  • Cast iron body with powder coat finish resists wear
  • Steel spindle with swivel pad protects surfaces

4-Inch Carriage C-Clamp

The Wilton 540A-4 is a 4-inch carriage C-clamp built for regular-duty clamping tasks. Its cast iron body with black oxide finish provides durability, while the powder coat adds corrosion resistance. A steel spindle with a swivel pad ensures even pressure distribution across the workpiece.

Woodworkers and metalworkers needing deep reach

This clamp suits users who require a 2-1/16 inch throat depth to reach past flanges or edges. The 2,150 lb clamping pressure handles moderate assembly and glue-up jobs. Buyers needing wider jaw openings or higher pressure ratings for heavy structural work should consider other options.

4-inch maximum opening capacity

The clamp opens from 0 to 4 inches, defining the thickest material it can secure. This single measurement determines whether the tool fits the specific workpiece dimensions in your project. Verify your maximum material thickness against this figure before purchase.

How it compares

Measured against everything we stock in Utility & Specialty Hand Tools, at today’s prices. Recalculated every night.

Price $26.99
Pricier than about 54% of the 2,474 comparable items (median $23.99).

Specifications

Product
Brand nameWilton
Model name540A-4
Product typeClamps
Size & build
Surface finishPowder Coat

Questions about this item

How much clamping pressure does the 540A-4 deliver when tightened all day?

The 540A-4 provides a maximum clamping pressure of 2,150 lb, so it holds workpieces firmly during extended use.

What do I need to operate this carriage C-clamp?

No extra tools or power are required; the steel spindle and swivel pad are built in, so you simply turn the handle by hand.

Will the 540A-4 work with my older cast-iron bench vise?

Yes, the 4 in maximum opening and flat anvil let it clamp alongside a bench vise without interference.

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