What is the RPM rating for the CMCST920M1? Wilson October 03, 2020 20:02 The RPM rating is 0-4600 / 0-6000 . It is a 2 speed unit with a variable speed trigger. Related articles What is the part number for the chain on model # CMCCS660 chain saw? How do I program my new garage door opener remotes? Am I able to remove the drawers in the model number CMST17804? Do you have an (M)SDS for Stanley Black & Decker Lithium Batteries over 100 Watt Hours? Does the CMMT99436 operate in cw and ccw? what is the accuracy? Comments 0 comments Please sign in to leave a comment.