9
B751
M8 x 20
The following symbols are used in addition to
those shown above to describe part design.
The dimensions of the fasteners are printed as a
diameter dimension (M) ISO 68-1. This is followed by
a length dimensions for bolts/screws; the dimension
of a bolt/screw is the part of the bolt/screw that
disappears into the material in which it is mounted.
Low Tensilock Lock Countersunk Dome
ADDITIONAL SYMBOLS
Allen screw
Allen screw (partially threaded)
Hex bolt (partially threaded)
Hex bolt
Flange screw (partially threaded)
Flange screw
Carriage bolt
Shoulder bolt
Cross screw
Slotted screw
Hex nut
Flat washer
Flange nut
(Diameter)
DIMENSIONS/LENGTH
(Length)
This symbol describes the
sawing direction and reappears
during assembly.
This symbol describes the
recommended lifting point
for heavy lifts.
Make the joint finger-tight.
When this symbol appears during
assembly, parts must be lubricated
before installation. Lubricate affected
parts with universal grease.
Definition of the fasteners on following pages.
BOLTS/NUTS
Set screw
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