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The BSC PREFERRED GS050812 is a 6-in-1 fold-up hex key set designed for trade professionals and knowledgeable DIYers who need a compact, multi-size hex driver on the job. The set includes six SAE sizes ranging from 5/32 inch to 3/8 inch, all housed in a folding plastic handle with a comfort grip. The fold-up design keeps all keys organized in a single unit, reducing the chance of losing individual keys on a busy work site. This is a practical hand tool suited for fastener work across HVAC, plumbing, electrical, and general mechanical service applications.
This hex key set is used wherever SAE hex fasteners are encountered in residential and light commercial service work. Common applications include setting screws on motor shafts, adjusting valve packing nuts, assembling equipment panels, and securing components with socket head cap screws. The six included sizes cover the most frequently encountered SAE hex fastener range in trade service work. The fold-up format makes it easy to carry in a tool pouch or service bag without bulk.
Designed as a general-purpose SAE hex key set compatible with standard socket head cap screws and hex fasteners across a wide range of trade equipment and assemblies.
This tool is used by HVAC technicians, plumbers, electricians, and general mechanics for fastener installation and removal. Ensure the correct key size is fully seated in the fastener head before applying torque to avoid rounding the socket. Inspect key tips regularly for signs of wear or deformation, and replace the set if any key shows damage that could compromise fastener contact.
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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