Thread Tolerances For Screws and Nuts | Fuller Metric Parts Ltd.
Reference No.: ISO 965/1-1980, ISO 965/2-1980 COARSE AND FINE THREAD SERIES TOLERANCE DESIGNATION BOLT THREADS 6 h for sizes up to M 1, 4 6 g for sizes M 1, 6 and larger NUT THREADS 5 H for sizes upto M 1, 4 6 H for sizes M 1, 6 and larger...