IS 4241 : 1990 Engineering metrology - Engineers parallels - Specification

1 Scope

1.1 This standard covers the requirements for precisionengineers parallels of Grades 1 and 2, supplied always in pairs,and used in shop floor and for inspection purposes.

2 References

IS 2102 : Part 1 :1980 General tolerances for dimensions and formandposition: Part 1 General tolerances for linear and angulardimensions

IS 7018 : Part 1 :1983 Technical supply conditions for gauges:Part 1 General