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The IRWIN INDUSTRIAL TOOL CO 225134 is a heavy-duty C-clamp built for trade and industrial applications where reliable, consistent clamping force is required. It features a double rolled thread design that speeds up clamping cycles while improving thread durability under repeated use. The larger swivel pad distributes clamping pressure evenly, minimizing surface marring on finished or delicate work materials. The oversized handle delivers greater mechanical advantage, reducing hand fatigue during extended clamping tasks. At 7.81 pounds, this clamp is built for sustained jobsite use by electricians, pipefitters, welders, and general construction trades.
This C-clamp is suited for a wide range of trade applications including metal fabrication, pipe and conduit work, woodworking jigs, and structural assembly tasks. It performs well in both residential and light commercial construction environments. The 3-inch jaw opening with 4.5-inch depth provides clearance for work holding on thicker stock or deeper assemblies where standard-depth clamps fall short. Package quantity is 5 units per order, making it practical for stocking a service van or shop.
Designed as a general-purpose C-clamp for use across metal fabrication, construction, and industrial trades wherever a 3-inch jaw opening and 4.5-inch deep throat is appropriate for the application.
C-clamps require no installation but should be inspected before each use for thread damage or cracking in the frame. Always align the swivel pad squarely on the work surface before applying load to prevent slippage. Do not use a pipe or extension on the handle to increase torque beyond the clamp's rated capacity. Clean and lightly lubricate the thread periodically to maintain smooth operation and extend service life.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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