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METRIC BOLTS-IDENTIFICATION CLASS NUMBERS OR
MARKS CORRESPOND TO BOLT STRENGTH-INCREAS-
ING NUMBERS REPRESENT INCREASING STRENGTH.
FASTENER INFORMATION
METRIC FASTENERS
Most of the fasteners used for this vehicle are metric fasteners.
When replacing any fasteners, it is most important that replace-
ment fasteners be the correct diameter, thread pitch and strength.
FASTENER STRENGTH IDENTIFICATION
Most commonly used metric fastener strength property classes are
4T, 6.8, 7T, 8.8 and radial line with the class identification em-
bossed on the head of each bolt. Some metric nuts will be marked
with punch, 6 or 8 mark strength identification on the nut face. Fig-
ure shows the different strength markings.
When replacing metric fasteners, be careful to use bolts and nuts
of the same strength or greater than the original fasteners (the
same number marking or higher). It is likewise important to select
NUTS STRENGTH
IDENTIFICATION
replacement fasteners of the correct diameter and thread pitch.
Correct replacement bolts and nuts are available through the parts
division.
GENERAL INFORMATION 0A-23
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