IS 12937 : 1990 Engineering metrology - Methods of testing straightness, flatness and perpendicularity

UDC 531.717.81/.86 PGD 25
Reaffirmed 2014

1 Scope

1.1 This standard covers the methods of examination ofstraightness, flatness and perpendicularity.

2 References

IS 2220 :1990Engineering metrology - Steel straightedges -Specification

IS 8000 : Part 1 :1985 Geometrical tolerancing on technicaldrawings:Part 1 Tolerances of form orientation, locationand run-out and appropriate geometricaldefinitions