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The PARAMOUNT PAR37276 is a short-arm hex key with a 10.00 mm hex size, designed for driving hex fasteners in tight or confined spaces where a long-arm tool creates clearance problems. The short arm configuration provides high torque leverage on the driving end while keeping the overall length to 4-19/64 inches (109.00 mm). This tool is suited for mechanical and service work across HVAC equipment, plumbing assemblies, electrical enclosures, and pool equipment where metric hex fasteners are common. Licensed tradespeople and experienced technicians keep this size on hand for set screws, access panels, and equipment covers.
The PAR37276 is used wherever a 10.00 mm metric hex fastener is encountered in a close-quarter setting. Typical applications include tightening or removing set screws on motor shafts, fan hubs, pump impellers, and bracket hardware found in residential and light commercial mechanical systems. The short arm format is especially useful when working inside equipment cabinets or around structural components that block a full-length tool. This key ships individually and is sold in multiples of 10 units.
Designed for use with standard 10.00 mm metric hex fasteners across mechanical, HVAC, plumbing, electrical, and pool service applications.
This hex key is installed by hand and requires no power tools or special equipment. Ensure the hex end is fully seated in the fastener socket before applying torque to avoid rounding the drive. When servicing equipment, shut down and de-energize any associated system before accessing fasteners on live components. Follow applicable codes and equipment manufacturer guidelines for fastener torque requirements.
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