Bessey STC-HH20 Toggle Clamp Horizontal 450 Lb U-bar

Product Description

The BESSEY STC-HH20 is a manual hold-down toggle clamp built for horizontal clamping applications in fabrication, assembly, and fixture work. It delivers a 450 lb holding capacity through a straight-handle, horizontal actuation mechanism paired with a U-bar that allows workpiece contact across a controlled span. The flanged base provides four-point mounting for rigid fixture integration. Constructed entirely from carbon steel, the STC-HH20 is suited for production environments where repeatable, fast-cycle clamping is required. A pressure pad cap is included to protect workpiece surfaces during clamping. The overall length of 6.57 inches and height of 1.73 inches make it compact enough for close-clearance fixturing setups.

The STC-HH20 is used in light industrial and manufacturing settings for holding metal, wood, or composite workpieces during drilling, welding, routing, and assembly operations. The horizontal handle orientation is well suited for low-profile jigs and fixtures where vertical handle travel would interfere with tooling or adjacent clamps. The flanged base mounts directly to fixture plates, workbenches, or steel tables. This clamp is typically installed and set up by machinists, fabricators, fixture builders, or maintenance technicians working with production jigs.

Key Features

• 450 lb holding capacity for secure workpiece retention in production cycles
• Horizontal handle orientation with straight-handle style for low-profile fixture use
• U-bar design with 0.98 inch clearance height under bar to accommodate varying workpiece thicknesses
• Flanged base with four mounting holes for rigid, stable fixture mounting
• Full carbon steel construction including handle, body, and bar for durability in shop environments
• Includes pressure pad cap to protect workpiece contact surface

Compatibility

Designed as an OEM-style hold-down toggle clamp for use in manual fixturing and jig applications requiring horizontal actuation and a flanged base mount.

Installation Notes

Installation is performed by machinists or fixture builders using standard drill and fastener tooling. Power down or de-energize any associated machinery before mounting or adjusting clamp position on a fixture plate. Mounting hole diameter is 0.22 inches, so select fasteners accordingly and ensure the flanged base sits flush against the mounting surface for full holding capacity. Do not exceed the rated 450 lb holding capacity during operation.