How bolt-cutter sizing works
Diameter vs handle length and when to go longer.
Bolt cutter soft-stock screen
Bolt cutter size by diameter
Enter soft-stock diameter in mm. Get the smallest 8 / 14 / 18 / 24 in bolt-cutter class — or NO_MATCH. Soft iron/mild steel/copper only; not hardened locks.
Bolt cutter soft-stock screen
Result
Match the smallest class whose soft-stock rating covers your diameter. Classes: 8 in (≤3 mm) · 14 in (≤5 mm) · 18 in (≤8 mm) · 24 in (≤10 mm). Above 10 mm → NO_MATCH.
From measurement to decision
Open the full calculator
Same tool with room for examples.
8 vs 14 vs 18 vs 24 in
When each class fits — and when none do.
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