As per BIS system of Limits and fits, there are 18 grades of tolerances represented by number symbols from IT01, IT0, IT1 to 16.

As per BIS system of Limits and fits, there are 18 grades of tolerances represented by number symbols from IT01, IT0, IT1 to 16.

Image Not Yet Uploaded! Will be updated soon

The size of a component is given as 24 -0.1. In this -0.1 indicates Lower deviation which is -0.1 mm

In the assemblies obtained by using the system of Limits and fits, the damaged parts may be easily replaced without rejection the assembly.

In the BIS system of limits and fits the standard range of sizes 'covered' are 0 to 500 mm.

The tolerance of a hole is the difference between the maximum hole size and minimum hole size.