BOLTS & NUTS
Denition of the fasteners on following pages.
Shoulder bolt Allen bolt
Phillips bolt Partial thread Allen bolt
Slotted screw Hex bolt
Set screw Partial thread hex bolt
Hex nut Flange screw
Flange nut Partial thread ange bolt
Flat washer Carriage bolt
Additional Symbols
The following symbols are used as supplements to the symbols above to describe the design or function of the
fasteners.
Low
Tensilock Lock Countersunk Dome
Diameter & Length
The size of a fastener is written as a diameter measurement (M) ISO 68-1. For bolts, this is followed by a length
measurement. The length of the bolt is measured from below the head to the tip of the bolt.
(Diameter)
(Length)
M8 x 20
USER MANUAL
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