Bessey STC-IHA15 Straight Line Toggle Clamp 450 Lb

Product Description

The BESSEY STC-IHA15 is an in-line toggle clamp designed to hold workpieces securely along a straight clamping axis. It delivers 450 lb of load capacity through a round plunger with 0.375 inches of travel and an internal M5 plunger thread. The flanged base features four mounting holes for rigid fixture mounting, and the straight red handle provides a positive, repeatable lock-and-release action. Constructed entirely from carbon steel, the STC-IHA15 is suited for production jigs, welding fixtures, and assembly tooling where consistent hold-down force and fast cycle times are required. Installation is performed by machinists, toolmakers, and fixture builders working in industrial and fabrication environments.

The STC-IHA15 is appropriate for use in inline clamping applications on flat fixture plates and machining tables. The flanged base allows direct bolting to fixture bodies using four fasteners spaced 0.79 inches center-to-center lengthwise and 1.0 inch center-to-center in width. The included pressure pad cap protects both the plunger tip and the workpiece surface during clamping. Overall clamp dimensions of 7.13 inches in length and 3.19 inches in height make it compatible with moderate-density fixture layouts where vertical clearance must be managed.

Key Features

• 450 lb rated load capacity for firm, repeatable hold-down force
• Round plunger with 0.375 inches of travel and internal M5 thread for tip adjustment
• Flanged base with four mounting holes for secure, permanent fixture attachment
• Carbon steel construction for durability in production and fabrication environments
• Straight handle with positive over-center toggle action for fast lock and release
• Includes pressure pad cap to protect workpiece surfaces at the plunger contact point

Compatibility

Designed as a standard in-line toggle clamp for use in machining fixtures, welding jigs, and assembly tooling applications that require a flanged-base, straight-action hold-down clamp rated at 450 lb.

Installation Notes

Installation is typically performed by toolmakers or fixture builders using standard drill and tap equipment to prepare the mounting surface. Power down or de-energize any associated machinery before mounting or adjusting the clamp. Secure all four base mounting holes to ensure even load distribution and prevent rocking under repeated clamping cycles. Verify plunger thread engagement and tip adjustment before placing the fixture into production use.