Magnetic induction bolt heater sizing

Induction bolt heater size calculator

Enter fastener diameter and rust severity. Get watt demand, then a 1,100 / 1,500 / 1,800 W class — or NO_MATCH. Coil fit still matters.

Magnetic induction bolt heater sizing

Result

Enter values to begin.

Watt demand = diameter_mm × 40 × rust (1.0 / 1.25 / 1.55). Classes: 1,100 · 1,500 · 1,800 W.

Guides

Watt demand, coils, and duty-cycle limits.

Tools

Same tool with room for examples.

Reference

When each watt class fits — and when none do.