Hammer Drills vs. Rotary Hammers (SDS)

What is the key difference between SDS-Plus and SDS-Max shank systems?

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 Correct IncorrectSDS-Plus has a 10mm shank diameter for drilling holes up to 1-1/8", while SDS-Max has an 18mm heavy-duty shank designed for high-joule demolition chiseling and drilling up to 2" holes.

What is the key difference between SDS-Plus and SDS-Max shank systems?

• SDS-Plus cannot spin clockwise
• SDS-Max only runs on 240V AC power
• SDS-Plus is made of titanium, SDS-Max is aluminum
• SDS-Plus has a 10mm shank for lighter drilling; SDS-Max has an 18mm heavy shank for heavy demolition and core drilling