RivNut

Rivet nut tool sizing

Rivet nut tool sizing calculator

Enter the largest metric rivet-nut size you need (M3, M4, M5, M6, M8, M10, or M12). Get the smallest kit class (6 / 10 / 12). Confirm mandrels/SAE on the listing; match grip to sheet thickness; wear eye protection.

Rivet nut tool sizing

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Result

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Input: largest metric M size needed (listed: 3, 4, 5, 6, 8, 10, 12). Classes: 6 (9 in kit · max M6) · 10 (14 in · max M10) · 12 (16 in · max M12). Match = smallest class where class ceiling ≥ metric_mm. Confirm mandrels/SAE; match grip to sheet; wear eye protection.

From measurement to decision