Methodology guide
Limits, material bans, and when to stop shopping this ladder.
Calculator
Rebar cutter mm calculator
Enter rebar diameter in mm. Get a 16 / 20 / 25 class or NO_MATCH. Medium/low carbon only as published; confirm live max diameter; PPE; sparks/hydraulic oil.
Result
Worked checks: 10 → 16 · 18 → 20 · 22 → 25 · 30 → NO_MATCH. classLbs uses 16 / 20 / 25 for CTA matching.
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