This micrometer has a pointed spindle and a double V-anvil, both shaped to contact the screw thread. The micrometer reading therefore gives the pitch diameter. For measuring I.S.O. metric and MJ screw threads. Graduation 0.01mm For more info: http:// /Starrett/Catalog/OutsideMicSpecial/575.html Thanks for visiting, you will be satisfied with your new micrometer. (New starrett 575 map screw thread micrometer - in box was posted and is owned by: Judy Walter) |
judy_walter@chicagopartsnetwork.com (Judy Walter)
for more information.