Metric Threads: Dimensions, Classes Formulas (full Guide)
WEBMar 22, 2024 · Explanation: Pitch: Designated by "X P".For example, M8 X means an 8 mm (″) thread with a pitch of mm (″ or 34 TPI).If the "X P" is omitted, the pitch is defined by the Coase Pitch Series according to ISO261. Number of starts: Designated by "Ph".For example, M8 X this case, mm is the lead, and mm is .