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System
of
Measurement
See all
Metric
Screw
Size
M
1
.
6
M
2
M
2
.
5
M
3
M
3
.
5
M
4
M
5
M
6
M
7
M
8
M
1
0
M
1
1
M
1
2
M
1
4
M
1
5
Washer
Type
Conical
Countersunk
Spherical
Tab
Tapered
Tooth
Wedge
ID
2
.
2
m
m
2
.
7
m
m
3
m
m
3
.
2
m
m
3
.
6
m
m
3
.
8
m
m
4
.
1
m
m
4
.
2
m
m
4
.
3
m
m
4
.
9
m
m
5
.
1
0
0
m
m
5
.
2
m
m
5
.
3
m
m
6
.
0
m
m
6
.
2
m
m
Thickness
0
.
2
m
m
t
o
0
.
3
m
m
0
.
3
m
m
t
o
0
.
4
m
m
0
.
4
m
m
0
.
4
m
m
t
o
0
.
5
m
m
0
.
5
m
m
0
.
5
m
m
t
o
0
.
6
m
m
0
.
6
m
m
0
.
8
m
m
0
.
9
m
m
1
.
0
m
m
1
.
1
m
m
1
.
2
m
m
1
.
2
5
0
m
m
1
.
5
m
m
1
.
6
m
m
Material
Aluminum
Brass
Plastic
Stainless
Steel
Steel
OD
5
.
0
m
m
6
.
0
m
m
7
.
0
m
m
8
.
0
m
m
8
.
1
m
m
9
.
0
m
m
9
.
2
m
m
9
.
5
m
m
9
.
8
m
m
1
0
.
0
m
m
1
0
.
4
0
0
m
m
1
1
.
0
m
m
1
1
.
1
m
m
1
1
.
8
m
m
1
1
.
9
m
m
Finish
Black
Oxide
Chrome
Plated
Hot
-
Dipped
Galvanized
Nickel
Plated
Phosphate
Coated
Zinc
Flake
Coated
Zinc
Plated
Overall
Height
0
.
6
m
m
0
.
7
m
m
0
.
8
m
m
0
.
9
m
m
1
.
0
m
m
1
.
1
m
m
1
.
3
m
m
1
.
4
m
m
1
.
6
m
m
1
.
7
m
m
1
.
8
m
m
1
.
9
m
m
2
.
0
m
m
2
.
3
m
m
2
.
4
m
m
Length
22.0
mm
30.0
mm
36.0
mm
44.0
mm
Specifications
Met
DIN
93
DIN
432
DIN
434
DIN
435
DIN
462
DIN
5406
DIN
6319
DIN
6796
DIN
6798
Width
22.0
mm
26.0
mm
32.0
mm
40.0
mm
56.0
mm
Hardness
R
o
c
k
w
e
l
l
B
5
0
R
o
c
k
w
e
l
l
B
5
2
R
o
c
k
w
e
l
l
B
5
6
R
o
c
k
w
e
l
l
B
7
0
R
o
c
k
w
e
l
l
B
8
3
R
o
c
k
w
e
l
l
C
3
5
R
o
c
k
w
e
l
l
C
3
8
R
o
c
k
w
e
l
l
C
4
0
R
o
c
k
w
e
l
l
C
4
2
R
o
c
k
w
e
l
l
C
4
6
R
o
c
k
w
e
l
l
C
4
8
R
o
c
k
w
e
l
l
M
8
0
R
o
c
k
w
e
l
l
R
1
2
0
R
o
c
k
w
e
l
l
1
5
N
8
0
N
o
t
R
a
t
e
d
RoHS
Compliance
RoHS
3
(2015/863/EU)
Compliant
RoHS
3
(2015/863/EU)
Compliant
with
Exemptions
Not
Compliant
REACH
Compliance
REACH
(EC
1907/2006)
(06/27/2024,
241
SVHC)
Compliant
REACH
(EC
1907/2006)
(01/23/2024,
240
SVHC)
Compliant
REACH
(EC
1907/2006)
(06/14/2023,
235
SVHC)
Compliant
REACH
(EC
1907/2006)
(01/17/2022,
223
SVHC)
Compliant
Not
Compliant
Color
Black
Off
-
White
White
For
Use
In
I
-
Beams
U
-
Channels
DFARS
Compliance
Specialty
Metals
Compliant
(252.225
-
7009)
Specialty
Metals
COTS
-
Exempt
Not
Specialty
Metals
Compliant
Performance
Corrosion
Resistant
High
Strength
Lightweight
Reusable
Vibration
Resistant
Countersink
Angle
90°
100°
Maximum
Temperature
180°
F
212°
F
Serration
Location
Top
and
Bottom
For
Bearing
Nut
Face
Style
Chamfered
Stepped
Forward
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444 Products
Fastening and Joining
Leveling Washers
Curved or tapered to compensate for uneven mounting surfaces
92 products
Lock Washers
Resist vibration to prevent fasteners from loosening
221 products
Finishing Washers
Screw heads sit flush to prevent snagging and to create a neat, finished appearance
69 products
Insulating Washers
Isolate screws from electrical current and prevent corrosion from mating different metals
6 products
Power Transmission
Bearing Lock Washers
Lock bearing nuts in place to prevent loosening due to vibration
56 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)