The Basic casting dimension

The single Face machining allowance

Cutting machining

Grinding machining

Gate setting

<= 40

0.7 ~ 1.0

0.2 - 0.5

2.0

40 ~ 100

1.0 ~ 1.5

0.5 - 0.7

3.0

100 ~ 250

1.5 ~ 2.0

0.7 - 1.0

4.0

250 ~ 500

2.0 ~ 3.0

1.0 - 1.5

5.0