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The PRECISION BRAND 13970 is a 66-piece stainless steel Woodruff key assortment designed for mechanical and maintenance professionals who need a reliable selection of keyed fasteners on hand. Woodruff keys provide a semi-circular profile that seats into a milled keyway, locking rotating components such as gears, pulleys, and sprockets to shafts. Stainless steel construction resists corrosion and offers adequate shear strength for a wide range of light-to-medium duty shaft applications. The assortment format eliminates the need to source individual key sizes for routine service and repair jobs.
This assortment is suited for use in mechanical maintenance environments including HVAC equipment, pump assemblies, fan shaft connections, and general industrial machinery. Technicians working on rotating equipment will find the variety of sizes useful for field repairs and scheduled maintenance. The stainless steel material makes these keys appropriate for applications where moisture exposure is a concern, such as pool pump motors, outdoor fan units, and wet environments common in plumbing and HVAC installations.
Designed as a general-purpose Woodruff key assortment compatible with standard milled keyway shafts across a variety of mechanical and rotating equipment applications.
Woodruff keys are typically installed by machinists, millwrights, or experienced mechanical technicians. Always power down and de-energize equipment fully before removing or installing shaft keys. Select the correct key size to match the keyway dimensions in both the shaft and the hub to ensure proper fit and torque transfer. Do not force an oversized key into a keyway, as this can damage the shaft or hub seat.
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