What is the size of the Hex Bolts to remove jammed fasteners on a CMPBN18SB? Wilson February 09, 2021 20:35 Updated The Hex head bolts on front to remove for unjamming a fastener is 3mm size. Related articles Are the 20 v units interchangeable with the older 19.2 model units? How do I program my new garage door opener remotes? On model # 41BS2BVG799 Is the mulched blade metal or plastic? What is the recommended max cutting diameter of a limb for the model # CLPS2408S? What is the recommended oil and chain lube to use for chain saws? Comments 0 comments Please sign in to leave a comment.