F5 Captive Screws
479
Flush series
L
ØA
• Flush when fastened
T
Material and Finish
ØD
ACTUAL SIZE
ØB
Screw
Slot width
Installation
M Min. panel
thickness.
Note: Edge
of hole must be
sharp on this side.
Do not chamfer
Panel
Notes
ØH
Panel
Screw:
Slotted: 303 stainless steel,
passivated.
Phillips: 430 stainless steel,
passivated
Shell
C
F Minimum thickness
for back of panel to be
flush with frame
P-1 screw projection
beyond shell
when retracted
Punch
Back-up
tool
Shell: 303 Stainless steel,
passivated
Panel
Screws will float 0.5 (.02) total
movement
Frame
P-2
Screw projection beyond
shell when fastened
For use in most aluminums or in low
carbon steels that are 1/4 hard or
softer
Shipped assembled
Threaded
insert or other
receptacle
ØS
Thread Size
Part Number
See table
Max. Recommended Tightening Torque
M3/ 4-40
0.6 Nm (5inlbf)
6-32
1.6 Nm (14inlbf)
M4/ 8-32
2.8 Nm (25inlbf)
See page 543 for additional installation guidelines
Recess
Style
Screw
Dimensions
Thread
Size
ØA
ØB
C
ØD
T
M4 x 0.7
10.1 9.45
3.1
6.4
4.3
or
Phillips
(.40) (.373) (.122) (.25) (.17)
UNC 8-32
Screw
Slot
Length
Width
L
~
Part Number
Metric
Imperial
8.6 (.34)
F5-M4-P2
F5-832-P2
9.6 (.38)
F5-M4-P4
F5-832-P4
10.6 (.42)
F5-M4-P6
F5-832-P6
11.6 (.46) F5-M4-P8
M3 x 0.5
7.1
6.45
1.7
4
3.8
0.9 5.8 (.23) F5-90-402-20
or
(.28) (.254) (.067) (.16) (.15) (.035) 7.9 (.31) F5-90-406-20
UNC 4-40
Slotted
UNC 6-32
F5-60-402-20
F5-60-406-20
~
F5-60-602-20
8.1 7.44
2
4.8
3.8
1
8.4 (.33)
(.32) (.293) (.082) (.19) (.15) (.039)
~
F5-60-606-20
8.9 (.35)
M4 x 0.7
10.1 9.45 2.34 6.4
5.1
1.1
or
9.9 (.39)
(.40) (.373) (.092) (.25) (.20) (.045)
UNC 8-32
10.9 (.43)
­~
P-1
4.3
(.17)
F5-M40-14
F5-832-14
F5-832-16
F5-M40-18
F5-832-18
ØH
M
F
ØS
6.6 (.26)
7.6 (.30)
9.5
(.375
+0.08
-0
+.003
-0
6.5
(.257
+0.08
-0
+.002
-.001
7.5
(.295
+0.08
-0
+.003
-0
9.5
(.375
+.003
-0
+0.1
)
1.5
3.2
(.060) (.125)
9.6 -0.05
+.004
(.379 -.002 )
)
1.3
1.8
(.050) (.070)
6.6 -0.05
+.004
(.260 -.002 )
)
1.4
2.2
(.055) (.085)
7.6
(.299
1.5
2.4
(.060) (.095)
9.6
(.379
8.6 (.34)
3.8
(.15)
4.1 (.16)
6.1 (.24)
+0.1
4.3 (.17)
3.8
(.15)
6.4 (.25)
+0.1
-0.05
+.004
-.002
)
7.4 (.29)
F5-60-608-20
F5-M40-16
P-2
Installation Dimensions
5.6 (.22)
F5-832-P8
6.4 (.25)
9.4 (.37)
Screw Projection
Beyond Outer
Surface of Panel
6.6 (.26)
5.1
(.20)
7.6 (.30)
8.6 (.34)
Dimensions in millimeters (inch) unless otherwise stated
+0.08
-0
)
+0.1
-0.05
+.004
-.002
)
www.southco.com/F5
543
Installation Guidelinesfor SOUTHCO
®
Self-Clinching products
Self-clinching product installation is offeredPunch
on side
these
Ferrule
®
of
panel
Rollover
SOUTHCO products,
making them easy-to-use captive
Area of material
that moves into
Material
panel fasteners:
groove
thickness
Panel
• Captive Screws
Die side
Mounting hole
of panel
• Receptacles for Quarter-turn Fasteners
Mounting
hole
• Receptacles for
Fast-lead
Thread Screws
diameter
Panel edge
• Spring-loaded Plungers
• Captive Nuts
Ferrule
of material
• Threaded Area
Inserts
Panel
When pressed into a properly prepared hole, self-clinching captive
fasteners cold-flow (move) the panel
material into the retaining groove of
Centerline of mounting hole
1.5 x Ø Min.
the fastener. This material
then retains the fastener in the panel.
Before installation
Ferrule
Correct installation
Ferrule
Panel
that moves into
groove
Panel
This area of material
Ferrule
Ferrule
Panel
Panel
This area of material
has separated from
the rest of the panel
Material
Panel edge
Mounting hole
diameter
1.5 x Ø Min.
has separated from
Successful press-in installations depend on:
the rest of the panel
Material:
The hardness of the panel material must not exceed SOUTHCO®
recommendations. If the panel is too hard, the fastener will not install
correctly.
Installation Holes:
Mounting holes may be drilled, punched, or cast.
• Hole edge: the top hole edge must
be sharp but with no broken edges.
Punch side
Ferrule
Rollover
Do not chamfer
or debur edge.
of panel
Area of material
punch and die
that moves into • Punched holes: use aMaterial
groove
with a small clearance
to minimize
thickness
the rollover and fracture
Panel
Die side angle.
Mounting hole
of panelthe hole
• Hole diameter: measure
diameter at the panel surface on
Mounting hole
Punch side
the side on which the fastener will
diameter
of panel
Rollover
Panel edge
of material
bePanel
installed. The diameter must be
moves into
Material
within
SOUTHCO® specifications for
ve
thickness Centerline of mounting hole
that product.
1.5 x Ø Min.
el
Die side
- If the hole is too large, not
e
of panel
Before installation
Correct installation
Over installation
enough material will flow into the
Ferrule
Ferrule
Ferrule
Mounting hole retaining groove and the fastener may not be retained adequately.
Panel
Panel
diameter
Panel
- If the hole is too small, the fastener will not fit and installation may
become difficult and unsafe.
Centerline
of mounting
holefrom the edge of panel: the minimum This
• Hole
distance
recommended
area of material
x Ø Min.
separated from
distance is 1.5 x the diameter of the mounting hole,has
unless
the rest of the panel
Correct installation
Over installation
otherwise indicated.
Punch side
of panel
thickness
- Installing too close to the edge will cause the material
to flow in the
Panel
opposite direction,
deforming the edge of the panel.
To install closer
Die side
Mounting hole
panel
to the
edge, you may need to restrain the panelofedge.
Over installation
Ferrule
Rollover
Panel
Centerline of mounting hole
Panel
Thickness:
Before
installation
Correct installation
Over installation
The
thickness
of the panel
location must meet or
Ferrule
Ferruleat the mounting hole Ferrule
Panel
Panel
exceed Southco’s stated minimum recommendations.
If the material is too thin, panel deformation and/or damage to the
fastener may result.
This area of material
Installation is fast and easy if you follow these tips:
has separated from
the rest
of the
panel
How to install: Use the recommended force where noted
and
a proper
back-up tool.
- use any parallel-acting press
- use a punch whose diameter is larger than the head of the fastener
Installation Force: Proper installation requires an even distribution of
adequate force. It does not depend on the distance thePunch
fastener
side is pressed
Ferrule
of panel
Rollover
into
the panel. Area of material
into
- Southco doesthat
notmoves
recommend
using a hammer. The impact
Material force
groove
thickness
does not provide an even distribution of force to allow
the panel
Panel
Die sidegroove.
material to completely flow into the fastener’s retaining
Mounting hole
of panel
- Installation force varies from application to application,
depending on the
criteriaholenoted above.
Mounting
diameter
-OPanel
n parts
without a collar to provide
a hard stop, press-in until the
edge
Panel
edge of the knurl is just barely visible.
When to Install:
Centerline of mounting hole
1.5 x Ø Min.
Installation is recommended
after plating or finishing has been applied to
the panel.
Over installation
Before installation
Correct installation
The hole diameter must meet
Ferrule
Ferrulespecifications
Ferrule
Panel
Panel
before finish or plating is applied.
- Do not over-install parts. This interupts
the material and will reduce the
This area of material
retention strength.
has separated from
the rest of the panel