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How to Measure a Tab Washer

No vernier caliper? No Problem a ruler will do the job.

If you measured at 50mm the size is 50 divided by 5, this gives us an MB10 tab washer, 30mm would give us an MB6 (30/5=6).

Measuring a lock washer with a ruler

To measure a tab washer simply measure it's bore and then divide the measurement by 5.

eg: 50mm divided by 5 = 10 so the size is MB10

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How to Measure a Tab Washer With a Ruler


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