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4 Tolerances on pitches of T-slots Table 3 Pitch, P Tolerance 20 and 25 I!I 0,2 32 to 100 Ik 0,3 125 to 250 ItI 0,5 320 to 500 + 0,8 NOTE - The tolerance on the pitch of any T-slot is non-cumulative. 5 Designation The T-slots and the corresponding bolts shall be designated by akun pro vietnam slot