Question

the theard micrometer mesure​

Answer 1

Answer:

When the micrometer is measuring the thread, it is measuring along the pitch diameter of the thread... Fixed anvil screw thread micrometers are those types of screw thread micrometers that can only measure thread pitches within a limited range.

Answer 2

Answer:

ᴡʜᴇɴ ᴀ ᴍɪᴄʀᴏᴍᴇᴛᴇʀ ɪs ᴍᴇᴀsᴜʀɪɴɢ ᴛʜᴇ ᴛʜʀᴇᴀᴅ , ɪᴛ ɪs ᴍᴇᴀsᴜʀɪɴɢ ᴀʟᴏɴɢ ᴛʜᴇ ᴘɪᴛᴄʜ ᴅɪᴀᴍᴇᴛᴇʀ ᴏғ ᴛʜᴇ ᴛʜʀᴇᴀᴅ . ғɪxᴇᴅ ᴀɴᴠᴇʟ sᴄʀᴇᴡ ᴛʜʀᴇᴀᴅ ᴍɪᴄʀᴏᴍᴇᴛᴇʀ ᴀʀᴇ ᴛʜᴏsᴇ ᴛʏᴘᴇs ᴏғ sᴄʀᴇᴡ