General tolerancesFor linear and angular dimensions The following table describes permissible machining variation, wherever not specified, as per IS:2102-1993 Part 1.Linear Dimensions Fine 0.5 - 3* 0.05 >3-6 0.05 > 6 - 30 0.10 >30 - 120 0.15 . >120 - 400 0.20 > 400 - 1000 0.30 > 1000 - 2000 0.50 > 2000 - 4000 External Radii and Chamfer Heights 0.5 - 3* 0.2 >3-6 0.5 >6 1.0 Angular Dimensions Length of Shorter Side up to 10 10 > 10 - 50 00 30' > 50 - 120 00 20' > 120 - 400 00 10' > 400 00 5' Medium 0.1 0.1 0.2 0.3 0.5 0.8 1.2 2.0 0.2 0.5 1.0 Coarse Very Coarse 0.2 0.3 0.5 0.5 1.0 0.8 1.5 1.2 2.5 2.0 4.0 3.0 6.0 4.0 8.0 0.4 1.0 2.0 0.4 1.0 2.0

1 0 30' 00 20' 00 10' 00 5'0

0

Tolerance 1 30' 30 10 20 00 30' 10 00 15' 00 30' 00 10' 00 20'0

Values specified are in mm. * For nominal sizes below 0.5 mm, the deviation shall be indicated adjacent to the relevant nominal size (s)

Diameter range in mm

h5

For shafts h6 h9

h11

H6

For Holes H7 H8

H11

3 > 3 to 6 > 6 to 10 > 10 to 18 > 18 to 30 > 30 to 50 > 50 to 80 > 80 to 120 > 120 to180 > 180 to 250 > 250 to 315 > 315 to 400 >400 to 500

0 -4 0 -5 0 -6 0 -8 0 -9 0 -11 0 -13 0 -15 0 -18 0 -20 0 -23 0 -25 0 -27

0 -6 0 -8 0 -9 0 -11 0 -13 0 -16 0 -19 0 -22 0 -25 0 -29 0 -32 0 -36 0 -40

0 -25 0 -30 0 -36 0 -43 0 -52 0 -62 0 -74 0 -87 0 -100 0 -115 0 -130 0 -140 0 -155

0 -60 0 -75 0 -90 0 -110 0 -130 0 -160 0 -190 0 -220 0 -250 0 -290 0 -320 0 -360 0 -400

+6 0 +8 0 +9 0 +11 0 +13 0 +16 0 +19 0 +22 0 +25 0 +29 0 +32 0 +36 0 +40 0

+10 0 +12 0 +15 0 +18 0 +21 0 +25 0 +30 0 +35 0 +40 0 +46 0 +52 0 +57 0 +63 0

+14 0 +18 0 +22 0 +27 0 +33 0 +39 0 +46 0 +54 0 +63 0 +72 0 +81 0 +89 0 +97 0

+60 0 +75 0 +90 0 +110 0 +130 0 +160 0 +190 0 +220 0 +250 0 +290 0 +320 0 +360 0 +400 0

Value of deviation in microns ( 1 = 0.001 mm)