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The BOSCH 1609b00391 is a locking pin designed as a replacement component for compatible Bosch power tools. Locking pins secure rotating or sliding assemblies during blade changes, accessory swaps, or transport, preventing unintended movement of the spindle or chuck. This type of small hardware component is typically serviced by a power tool technician or a qualified DIYer performing manufacturer-authorized repairs. Having the correct OEM part number ensures a precise fit and maintains the safety function the pin is designed to perform.
This locking pin is intended for use during service or repair of compatible Bosch power tools where the original pin has worn, broken, or been lost. It is a direct replacement part sourced from Bosch Tools parts and accessories inventory. Typical applications include bench tools, angle grinders, and rotary tools that use a spindle lock mechanism, though specific fitment should be confirmed against the tool model prior to installation.
Designed as an OEM-style replacement locking pin for compatible Bosch power tools. Confirm fitment by cross-referencing the tool model number and parts diagram prior to ordering.
Installation should be performed by a qualified power tool technician or an experienced user familiar with tool disassembly procedures. Always disconnect the tool from its power source and, for battery-operated tools, remove the battery pack before beginning any repair. Refer to the manufacturer service diagram for the specific tool model to confirm correct pin orientation and seating. Follow all applicable safety guidelines for power tool service.
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