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Civil & Masonry Tools
September 28, 2026 • schedule 7 min read

SDS-Plus vs SDS-Max: Selecting the Optimal Impact Energy for M30 Grade Concrete

Shank diameter, Joules of impact energy, and drilling diameter boundaries: When to use 26mm SDS-Plus vs shifting to 40mm SDS-Max to avoid operator fatigue and clutch slip.

engineering R. Sundararajan, Chief Quality Engineer
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