7-4. Normal tolerance for the length dimension of the chamfered part (roundness of the corner and chamfered dimension of the corner)

7-4. Length dimension of chamfered part
(Roundness of corner and chamfered dimension of corner)
Normal tolerance

Tolerance grade		Classification of standard dimensions
unit：mm
symbol	Explanation	0.5 or more * 3 or less	More than 3 6 or less	More than 6
symbol	Explanation	tolerance
f	Fine grade	±0.2	±0.5	±1
m	Intermediate	±0.2	±0.5	±1
c	Coarse grade	±0.4	±1	±2
v	Very coarse grade	±0.4	±1	±2
* For standard dimensions less than 0.5 mm, allowances are individually indicated following the standard dimensions.
Cited document: "JIS Handbook Machine Element 2001", page 581, Table 2 Quoted from the tolerance for the length dimension of the chamfered part (roundness of the corner and chamfered dimension of the corner) .