Toyota ZZT230 series, Repair Manual

Page: 154 / 821

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SERVICE
SPEQFICAllONS STANDARD BOLT
HOW TO DETERMINE NUT STRENGTH
Nut Type
Present Standard Old Standard
Hexagon Nut Class
H
e
x
ag
o
n
Nu
t
Cold
Forging Nut
Cutting
Processed Nut
©
4N
"" """
©
@ g
5N
(4T)
No MRik
(wl washer)
No Mark {w/ Washer)
NoM""
© @ @
6N
g
-�
7N
(5T)
SN
g
10N
(7T)
NoM""
11N
12N
•:
Nut w1th
1
or more marks on one side surtace of the nut.
HINT:
Use
the nut with the
same number of
the nut strength
classification or
the greater than the bolt
s
t
r
e
n g
t
h
clas­
sification number when
t
i
gh
t
en
i
n
g
parts
with a bolt and nut.
Example: Bolt
=
4T
Nut
=
4N
or mor
e