SS–3
SERVICE SPECIFICATIONS
–
STANDARD BOLT
SS0ZU–01
HOW TO DETERMINE NUT STRENGTH
Nut Type
OldStandardHexagonNut
Present Standard
Hexagon Nut
Class
4N
Cold Forging Nut
Cutting Processed Nut
No Mark
5N (4T)
No Mark (w/ Washer)
No Mark (w/ Washer)
No Mark
6N
6N
7N (5T)
*
8N
10N (7T)
11N
8N
10N
No Mark
11N
12N
12N
*: Nut with 1 or more marks on one side surface of the nut.
B06432
HINT:
Use the nut with the same number of the nut strength classification or the greater than the bolt strength clas-
sification number when tightening parts with a bolt and nut.
Example: Bolt = 4T
Nut = 4N or more
AVENSIS/CORONA SUP (RM781E)