This standard specifies the selection of bore and shaft tolerance zones and fits for nominal sizes up to 3150 mm. See GB/T 1800.1-2009 for basic regulations on limits and fits. This standard applies to linear dimensional elements with cylindrical and two-parallel planar types.
GB/T 1801-2009 Referenced Document
GB/T 1800.1-2009 Gemetrical Product Specifications(GPS).Limits and fits.Part 1:Bases of tolerances,deviations and fits
GB/T 1800.2-2009 Geometrical Product Specifications (GPS)
Limits and fits--Part 2:Tables of standard tolerance grades and
limit deviations for holes and shafts
2020GB/T 1800.1-2020 Geometrical product specifications (GPS)—ISO code system for tolerances on linear sizes—Part 1: Basis of tolerances, deviations and fits
2009GB/T 1801-2009 Gemetrical Product Specifications(GPS).Limits and fits.Selection of tolerance zones and fits
1999GB/T 1801-1999 Limits and fits Selection of tolerance zones and fits
1980GB/T 1801-1979 Tolerance and fit dimension to 500mm hole, shaft tolerance zone and fit
GB/T 1801-2009 Gemetrical Product Specifications(GPS).Limits and fits.Selection of tolerance zones and fits was changed to GB/T 1800.1-2020 Geometrical product specifications (GPS)—ISO code system for tolerances on linear sizes—Part 1: Basis of tolerances, deviations and fits.