Page 39 - Industrial Technology April 2021 issue

THE AVAILABLE HEAD DRIVERS INCL UDE:

SCHEMATIC DRIVE TYPES USES

Ideal for precision assembly. Most recommended
Hexagonal Recess
where less surface area is available.

Crosshead Provides good control in driving. Always use a driver
(Phillips ) bit of the proper size which is in good condition.
®

Positive-engaging, fast-locating method which
Star Head
transmits drive torque with less required downward
®
(Torx )
pressure. Good fastening appearance.
Accepts standard blade screwdriver. Requires less
downward pressure to drive parts than those with
Slotted
recessed openings. Use a proper 昀tting blade to
minimise slippage.

These screws are impossible to remove without
Security
the special matching screw driver.

Counterbore for
Counterbore for
screw length
screw length
Retaining washer
(threaded) Structure
Retaining washer
(threaded) Washer
shallow
Washer
shallow
thread
thread
Screw over
Screw over
threaded section
threaded
section
Panel removed, screw retained
Panel removed, screw retained

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