Mechanical Engineering Drawing Workshop

(Darren Dugan) #1

Table of General Fit System


Combinations
Table 1: Hole basis system of fitsTable 2: Shaft basis system of fits

Tolerance class of shaftBase hole
Clearance fitg5 h5H6f6 g6 h6f6 g6 h6H7e7 f7

h7
H8

f7h7 e8 f8h8 d9 e9
H9
d8 e8
h8
c9 d9 e9

h9
H10 b9 c9 d9
Base shaft

Tolerance class of holeClearance fit
h5

H6


h6

F6 G6 H6F7 G7 H7


h7

E7 F7H7 F8H8


h8

D8 E8 F8


H8


D9 E9


H9


h9

D8 E8


H8


C9 D9 E9


H9


B10 C10 D10


Tolerance zone Zero line Datum dimension
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