316
SS
Heavy
Duty
Knurled
Rivet
Nuts
-
Cross
Knurling
&
Barbs
-
For
Vibration
Environments
-
M6
to
M12
Attribute
|
Value
|
Product
Application
|
Electronics
chassis
assembly
|
Head
Style
|
Flat
|
Lead
Time
|
15~20
working
days
|
Finish
|
Passivation
+
Electropolishing
(Ra
0.4µm)
|
Installation
Method
|
Riveting
|
Material
|
Stainless
Steel
|
Tolerance
|
+/-
0.05mm
|
Dimension
|
We
Can
Customise
to
your
dimension
|
Knurl
Depth
|
0.3±0.05mm
|
Product
Description
Extreme
anti-rotation
rivet
nuts
with
cross
knurl
&
barbs.
316
stainless
steel,
70%
thread
depth.
Withstands
20G
vibration.
M6-M12
sizes.
Electropolished.
DNV-GL
&
MIL-STD-1312
certified.
Engineered
for
high-shock
environments,
these
rivet
nuts
combine
cross
knurling
(0.5mm
depth)
and
radial
barbs
for
maximum
anti-rotation.
The
90°
flat
head
provides
aerodynamic
sealing,
while
the
electropolished
316L
body
resists
salt
spray
corrosion.
Partial
threads
(70%
depth)
maintain
tensile
strength
with
30%
weight
reduction.
Exceeds
MIL-STD-1312
vibration
standards.
Technical
Specifications
Head
Type
|
Flat
Head
|
Head
Diameter
(D)
|
M6:
12.0mm;
M10:
18.0mm;
M12:
21.0mm
|
Total
Length
(L)
|
M6:
10-25mm;
M10:
15-40mm;
M12:
20-50mm
|
Thread
Depth
(T)
|
70%
of
L
|
Body
Finish
|
Semi-Smooth
(Vertical
Linear
Graining)
|
Material
|
A4-80
Stainless
Steel
(316L)
|
Surface
Treatment
|
Passivation
+
Electropolishing
(Ra
0.4µm)
|
Vibration
Resistance
|
20G
@
2000Hz
(MIL-STD-1312)
|
Customization
|
Knurl
depth/angle,
thread
percentage
|
Primary
Uses
&
Applications
-
Aerospace:
Engine
bay
panels,
landing
gear
covers
-
Marine:
Propeller
shaft
guards,
sonar
housing
-
Railway:
Bogie
frame
mounts,
coupler
mechanisms
-
Energy:
Wind
turbine
blade
joints,
hydraulic
valve
blocks
-
Mining:
Drill
head
assemblies,
conveyor
impact
zones
How
to
Use
-
Surface
Treatment:
-
Grit
blast
panel
(SA
2.5
standard)
-
Apply
Dinitrol
4941
corrosion
inhibitor
-
Precision
Drilling:
-
Hole
tolerance:
Nut
OD
-0.05/+0.03mm
-
Use
carbide
drill
with
peck
cycle
(avoid
hardening)
-
Hydraulic
Installation:
-
Set
hydraulic
tool
pressure:
M6:
250
bar;
M12:
600
bar
-
Engage
tri-lobe
mandrel
(120°
offset)
-
Pull
at
3-5mm/sec
until
force
spike
-
Post-Installation:
-
Conduct
eddy
current
test
for
cracks
-
Seal
with
Tefgel®
anti-seize
on
threads
-
Vibration
Validation:
-
24hr
resonance
sweep
test
(5-2000Hz)
-
Max
0.01mm
displacement
per
MIL-STD-1312
Our
Advantages
-
More
than
20
years
of
screw
production
experience
and
non-standard
screw
custom
development
experience
-
Precise
production
equipment
with
all
imported
equipment
from
Taiwan
-
Complete
management
system
with
multiple
strict
monitoring
for
each
batch
-
Dedicated
account
management
for
seamless
collaboration
Support
and
Services
-
Technical
support
and
product
selection
advice
from
knowledgeable
professionals
-
Comprehensive
support
including
product
specifications,
installation
guides,
and
troubleshooting
-
Maintenance
tips
and
best
practices
to
extend
product
life
and
performance
Packing
and
Shipping
-
Secure
packaging
in
moisture-resistant
plastic
bags
within
sturdy
cardboard
boxes
-
Palletized
shipping
for
bulk
orders
with
shrink-wrapping
and
strapping
-
Reliable
courier
services
with
tracking
information
provided
Customization
Available:
Our
factory
can
accept
customized
drawings.
Contact
us
to
discuss
specific
certifications
or
other
parameters.