British Standard Limits of Tolerance for Selected Holes (Upper
and Lower Deviations)

BS 4500:1969

ES = Upper deviation, EI = Lower deviation.

The dimensions are given in 0.001 mm, except for the nominal sizes, which are in
millimeters.

es = Upper deviation, ei = Lower deviation.

The dimensions are given in 0.001 mm, except for the nominal sizes, which are in
millimeters.

The dimensions are given in 0.001 mm, except for the nominal sizes, which are in
millimeters.

Minus (−) sign indicates negative clearance, i.e., interference.

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