07FS series fine adjustment screw thread pair is composes of  precision abrasive stainless steel screw and copper sleeve.M6×0.25 super fine screw thread provides more accurate adjusting functions than ordinary micrometers under circumstance that no quantitative adjustment is required.This series of fine adjustment screw thread pairs are interchangeable with micrometers.Fine adjustment screw thread pair is a set of fine adjsutment unit that is formed by screw after precision grinding,further grinding with nut and adding special grease,with extreme .Comfortability,stability and durability.

Pitch:0.25mm  Sensitivity: 0.0005mm