How hole-saw sizing works
Class ladder, materials, and when to go larger.
Hole saw max-diameter screen
Hole saw size by diameter
Enter needed hole diameter in millimetres. Get the smallest 68 / 114 / 200 mm kit class — or NO_MATCH. Confirm arbor, RPM, and material before you cut.
Hole saw max-diameter screen
Result
Match the smallest class whose max diameter covers your hole. Classes: 68 · 114 · 200 mm. Above 200 → NO_MATCH.
From measurement to decision
Open the full calculator
Same tool with room for examples.
68 vs 114 vs 200 mm
When each class fits — and when none do.
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