Amazon.com: Replacement Part for M.C 1PCS Electric Power Tool Hammer Drill Speed Control Switch for Makita HR2450/DP4010/DP4011 HR2020 HR2432 HR2440 HR2450T HR2450A : Tools & Home Improvement
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SDS Plus Tool Holder Complete with Spur Gear, Impact Mechanism Compatible with Makita HR 2450 HR 2450F HR 2432 HR 2455 : Amazon.de: DIY & Tools
Motor anchor rotor runner for Makita HR 2440, HR2440 F, HR2450, HR2450 F, HR2450 FT : Amazon.de: DIY & Tools
A look at the classic Makita HR2450 SDS drill - YouTube
How to dissasemble and find problem for Makita HR2450FT HR2450 rotary hammer field armature clutch - YouTube