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The GIBRALTAR 30958G is a carbon steel clamp strap designed for workholding applications on milling machines, drill presses, and similar machine tool setups. Built from C-1018 carbon steel with a black finish, this strap provides rigid, reliable clamping force across a 2.25 inches of travel. The tapered nose profile allows the strap to bridge workpieces of varying heights, making it a practical choice for machinists and maintenance technicians who need consistent clamping performance on uneven or stepped surfaces. The 30958G accepts a 0.78-inch (25/32 inches) stud with a 3/4-10 tap size and measures 8 inches overall in length.
This clamp strap is suited for use in production machining, toolroom, and general metalworking environments. It is typically used in conjunction with T-slot hardware, step blocks, and clamping studs on machine tool tables. The tapered nose design accommodates height differences between the workpiece and the step block, distributing clamping load effectively. At 1.75 inches wide and 1.125 inches high, it fits standard machine tool clamping kits used in industrial and job-shop settings.
Designed as an OEM-style replacement or standard component for machine tool workholding setups using 3/4-10 clamping studs and T-slot table hardware.
Installation is performed by machinists or maintenance technicians familiar with machine tool workholding. Power down and lock out the machine before securing or adjusting any clamping hardware on the table. Pair this strap with appropriate step blocks and a clamping stud torqued to the machine manufacturer's specification. Ensure the strap bears evenly across the workpiece and step block to avoid rocking under cutting loads.
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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