However, the number of input digits is limited to 6 digits.The corresponding tolerance range and tolerance grade are as follows.【Tolerance of hole】A, B, C, CD, D, E, EF, F, FG, G, H, JS, J, K, M, ZA, ZB, ZC* Note 1) A and B holes are not used for standard dimension 1 mm or less.* Note 2) JS 7 to JS 11 are rounded down to the decimal point so that IT / 2 becomes an integer of micrometer unit.* Note 3) The tolerance grade of J hole is IT6 to IT8 only.【Tolerance of shaft】a, b, c, cd, d, e, ef, f, fg, g, h, js, j, k, m, n, p, r, s, t, u, v, x, za, zb, zc* Note 4) The a and b shaft are not used for standard dimension 1 mm or less.* Note 5) js 7 to js 11 are rounded down to the decimal point so that IT / 2 becomes an integer of micrometer unit.* Note 6) The tolerance grade of the j shaft is IT5 to IT8 only.【Tolerance Grade】IT 1 to IT 18* Note 7) The tolerance grades IT14 to IT18 are not applied to the standard dimension of 1 mm or less.* Note 8) Tolerance values of tolerance grades IT1 to IT5 for reference dimension exceeding 500 mm are provisional for experimental use.
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