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System
of
Measurement
See all
Metric
Screw
Size
M
0
.
9
M
1
M
1
.
2
M
1
.
4
M
1
.
6
M
1
.
7
M
1
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8
M
1
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9
1
M
2
M
2
.
2
M
2
.
3
M
2
.
5
M
2
.
6
M
2
.
9
M
3
Material
Aluminum
Brass
Bronze
Ceramic
Copper
Fiber
Fiberglass
Hard
Fiber
Leather
Neodymium
Plastic
Rubber
Stainless
Steel
Steel
ID
1
.
0
m
m
1
m
m
t
o
9
m
m
1
m
m
t
o
1
1
m
m
1
m
m
t
o
1
3
.
5
m
m
1
m
m
t
o
1
6
m
m
1
m
m
t
o
2
1
m
m
1
m
m
t
o
2
9
m
m
1
m
m
t
o
3
6
m
m
1
m
m
t
o
4
8
m
m
1
m
m
t
o
5
3
m
m
1
m
m
t
o
6
9
m
m
1
.
1
m
m
1
.
2
5
0
m
m
1
.
3
m
m
1
.
5
m
m
OD
1
m
m
1
m
m
t
o
1
.
4
m
m
1
.
4
m
m
t
o
2
m
m
1
.
5
m
m
2
m
m
2
m
m
t
o
2
.
5
m
m
2
.
5
m
m
2
.
5
m
m
t
o
3
m
m
3
m
m
3
m
m
t
o
4
m
m
3
.
2
m
m
3
.
2
5
0
m
m
3
.
5
m
m
3
.
8
m
m
3
.
9
m
m
Washer
Type
Clipped
Conical
Countersunk
Curved
Flat
Metal
Bonded
Sleeve
Spherical
Split
Square
Tab
Tapered
Tooth
Wave
Wedge
Thickness
0
.
0
2
5
m
m
0
.
0
5
m
m
0
.
1
m
m
0
.
1
3
m
m
0
.
1
5
m
m
0
.
1
5
m
m
t
o
0
.
2
5
m
m
0
.
2
m
m
0
.
2
m
m
t
o
0
.
3
m
m
0
.
2
m
m
t
o
0
.
4
m
m
0
.
2
m
m
t
o
0
.
5
m
m
0
.
2
0
3
m
m
t
o
0
.
5
0
8
m
m
0
.
2
2
0
m
m
t
o
0
.
4
2
0
m
m
0
.
2
3
m
m
0
.
2
5
m
m
0
.
2
5
m
m
t
o
0
.
3
5
m
m
Finish
Black
Oxide
Chromate
Conversion
Coated
Chrome
Plated
Corrosion
-
Resistant
Coated
Dyed
Galvanized
Hot
-
Dipped
Galvanized
Nickel
Plated
Oil
Coated
Phosphate
Coated
Zinc
Flake
Coated
Zinc
Plated
Zinc
Yellow
-
Chromate
Plated
Specifications
Met
ASME
Standard
ASTM
Standard
DIN
Standard
ISO
Standard
SAE
J200
Length
1
m
m
2
m
m
2
.
5
m
m
3
m
m
3
.
5
m
m
4
m
m
5
m
m
5
.
6
m
m
6
m
m
7
m
m
7
.
2
m
m
8
m
m
8
.
5
m
m
8
.
8
m
m
9
m
m
Thread
Size
M2
M2.5
M3
M3.5
M4
M5
M6
M8
M10
M22
Color
Beige
Black
Blue
Brown
Clear
Gold
Gray
Light
Green
Maroon
Off
-
White
Red
Silver
White
Yellow
Overall
Height
0
.
5
m
m
0
.
6
0
m
m
0
.
7
0
m
m
0
.
7
5
m
m
0
.
8
m
m
0
.
8
5
m
m
0
.
9
m
m
1
.
0
0
m
m
1
.
0
5
m
m
1
.
1
m
m
1
.
2
m
m
1
.
3
m
m
1
.
4
m
m
1
.
5
m
m
1
.
5
5
m
m
Fastener
Strength
Grade/Class
ISO
Class
8.8
ISO
Class
10.9
ISO
Class
12.9
SAE
Grade
5
SAE
Grade
8
ASME
Designation
Narrow
Regular
Wide
Hardness
D
u
r
o
m
e
t
e
r
5
0
A
D
u
r
o
m
e
t
e
r
5
5
A
D
u
r
o
m
e
t
e
r
6
0
A
D
u
r
o
m
e
t
e
r
6
4
A
D
u
r
o
m
e
t
e
r
7
0
A
D
u
r
o
m
e
t
e
r
7
5
A
D
u
r
o
m
e
t
e
r
9
0
A
D
u
r
o
m
e
t
e
r
4
3
D
D
u
r
o
m
e
t
e
r
5
0
D
D
u
r
o
m
e
t
e
r
5
1
D
D
u
r
o
m
e
t
e
r
6
5
D
D
u
r
o
m
e
t
e
r
7
5
D
M
o
h
s
7
.
5
R
o
c
k
w
e
l
l
B
3
5
R
o
c
k
w
e
l
l
B
4
0
Washer
Designation
ASME
General
Purpose
Oversized
Undersized
Shape
Disc
Ring
Round
Slot
Straight
Shaft
Diameter
3
m
m
3
.
5
m
m
4
m
m
5
m
m
6
m
m
7
m
m
8
m
m
8
.
5
m
m
9
m
m
9
.
5
0
0
m
m
t
o
1
1
.
5
0
0
m
m
1
0
m
m
1
1
m
m
1
1
.
5
0
0
m
m
t
o
1
2
.
5
0
0
m
m
1
2
m
m
1
2
.
2
m
m
Fastener
Head
Type
Flat
Headless
Hex
Rounded
Socket
Thumb
USMCA
Qualifying
Yes
No
DFARS
Compliance
Specialty
Metals
Compliant
(252.225
-
7008)
Specialty
Metals
Compliant
(252.225
-
7009)
Specialty
Metals
COTS
-
Exempt
Not
Specialty
Metals
Compliant
RoHS
Compliance
RoHS
3
(2015/863/EU)
Compliant
RoHS
3
(2015/863/EU)
Compliant
with
Exemptions
Not
Compliant
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10,163 Products
Fastening and Joining
Washers
Nearly every size and shape imaginable, from flat washers to clipped to curved
1,299 products
Lock Washers
Resist vibration to prevent fasteners from loosening
784 products
Sealing Washers
Prevent fluids from leaking around fasteners
235 products
Finishing Washers
Screw heads sit flush to prevent snagging and to create a neat, finished appearance
69 products
Leveling Washers
Curved or tapered to compensate for uneven mounting surfaces
92 products
Insulating Washers
Isolate screws from electrical current and prevent corrosion from mating different metals
53 products
Cushioning Washers
Cushion joints to dampen vibration and protect them from wear
7 products
Shims
Level, align, and adjust spacing on fasteners, shafts, and machine components
826 products
Spacers
Unthreaded to create space between two surfaces or objects, often to align them
1,041 products
Retaining Rings
Hold components on a shaft
961 products
Fastener Assortments
Stay prepared by keeping fasteners in common sizes and materials on hand
4 products
Captive Panel Screws
Secure panels and enclosures while still having access to them
85 products
Push Nuts
Press onto threads for a light duty hold that’s faster to install than typical nuts
7 products
Snap-In Nuts
Push into square holes in thin materials to add bolts for aligning off-center parts
10 products
Unthreaded Inserts
Reinforce, align, and adjust joints as you tighten a fastener
18 products
Magnets
Attract or repel metal objects to hang, secure, or position them
10 products
Power Transmission
Plain Bearings
With no moving parts, the simplest type of bearing
255 products
Bearing Lock Washers
Lock bearing nuts in place to prevent loosening due to vibration
56 products
Bearing Washers
Adapt needle-roller thrust bearings for use on unhardened, unground shafts
51 products
Ball Bearings
Create less friction than other bearings for use at high speeds
71 products
Roller Bearings
Support higher loads than ball bearings, but run at lower speeds
44 products
Springs
Apply and absorb force with compression, die, extension, torsion, and disc springs
389 products
Sealing
O-Rings
Fit snugly into a groove between parts to create a leak-resistant seal
3,415 products
O-Ring Cord Stock
Cut to length to create customized seals
120 products
O-Ring Bonding Kits
Everything needed to make O-rings
2 products
Shaft Seals
Prevent leaks in motors, pumps, and gearboxes
178 products
Fluid Handling
Tube and Tube Fittings
Typically more flexible than pipe for carrying liquids and gases in short runs around equipment
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Building and Machinery Hardware
Grommets
Protect wire, cable, and cords from holes with sharp or rough edges
50 products
Strut Channel Framing and Fittings
Secure fittings in the U-shaped channel to route conduit and pipe or build other structures
16 products
Facility and Grounds Maintenance
Wash Gun Nozzle Extensions
Attach to your wash gun nozzle to clean places out of arm's reach
2 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)