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Metric
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Size
0
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1
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Length
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"
Threading
Fully
Threaded
Partially
Threaded
Threaded
on
Both
Ends
Threaded
on
One
End
Unthreaded
Material
A
l
u
m
i
n
u
m
A
l
u
m
i
n
u
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O
x
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C
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a
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B
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F
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F
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L
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N
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k
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R
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b
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S
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S
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S
t
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l
T
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t
a
n
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u
m
Z
i
n
c
Fastener
Head
Type
12
-
Point
Eye
Flat
Headless
Hex
Hook
Oval
Pentagon
Rounded
Socket
Square
Tee
Thumb
T
-
Slot
Finish
A
c
r
y
l
i
c
C
o
a
t
e
d
A
n
o
d
i
z
e
d
B
l
a
c
k
O
x
i
d
e
B
l
a
c
k
Z
i
n
c
P
l
a
t
e
d
B
r
a
s
s
P
l
a
t
e
d
B
r
o
n
z
e
P
l
a
t
e
d
C
a
d
m
i
u
m
P
l
a
t
e
d
C
h
r
o
m
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P
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t
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C
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p
p
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P
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a
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C
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r
o
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n
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R
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s
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s
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a
n
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C
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D
y
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E
l
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t
r
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E
p
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x
y
C
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t
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G
a
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B
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C
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G
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Fastener
Strength
Grade/Class
ASTM
Grade
B6
ASTM
Grade
B7
ASTM
Grade
B8
ASTM
Grade
B8M
ASTM
Grade
B16
ASTM
Grade
A
ASTM
Grade
BD
ASTM
Grade
A325
ASTM
Grade
A490
ISO
Class
8.8
ISO
Class
10.9
ISO
Class
12.9
SAE
Grade
2
SAE
Grade
5
SAE
Grade
8
SAE
Grade
9
Drive
Style
Asymmetrical
Drilled
Spanner
External
12
-
Point
External
Hex
External
Pentagon
External
Square
Hex
Hex
with
Pilot
Recess
JIS
One
Way
Phillips
Slotted
Spring
Plunger
Wrench
Square
Tamper
-
Resistant
Hex
Tamper
-
Resistant
Torx
Tamper
-
Resistant
Torx
Plus
Torx
Torx
Plus
Tri
-
Groove
Tri
-
Wing®
Wrench
Flats
Head
Height
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8
"
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"
Head
Width
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"
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/
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"
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1
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8
"
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"
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/
1
6
"
0
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4
3
8
"
1
5
/
3
2
"
1
/
2
"
Thread
Direction
Left
Hand
Right
Hand
Right
Hand
and
Left
Hand
Thread
Type
A
c
m
e
B
a
l
l
B
S
P
P
B
S
P
T
C
o
i
l
D
i
a
m
o
n
d
M
e
t
r
i
c
M
e
t
r
i
c
B
a
l
l
M
e
t
r
i
c
R
o
u
n
d
e
d
T
r
a
p
e
z
o
i
d
a
l
M
e
t
r
i
c
T
r
a
p
e
z
o
i
d
a
l
N
P
T
N
P
T
F
R
o
l
l
e
r
R
o
u
n
d
e
d
A
c
m
e
U
N
Thread
Pitch
0
.
1
2
5
m
m
0
.
2
m
m
0
.
2
2
5
m
m
0
.
2
5
m
m
0
.
3
m
m
0
.
3
5
m
m
0
.
4
m
m
0
.
4
5
m
m
0
.
5
m
m
0
.
6
m
m
0
.
7
m
m
0
.
7
5
m
m
0
.
8
m
m
1
m
m
1
.
2
5
m
m
Thread
Spacing
Coarse
Fine
Extra
Fine
Ultra
Fine
Socket
Head
Profile
High
Low
Standard
Ultra
Low
Head
Diameter
0
.
0
3
8
"
0
.
0
4
0
"
0
.
0
5
6
"
0
.
0
6
0
"
0
.
0
6
1
"
0
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0
6
2
"
0
.
0
6
5
"
0
.
0
7
1
"
0
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0
7
9
"
0
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0
8
2
"
0
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0
8
6
"
0
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0
8
9
"
0
.
0
9
"
0
.
0
9
6
"
0
.
1
0
7
"
Specifications
Met
ANSI
MH16.1
ASME
Standard
ASTM
Standard
AWS
D1.1
DIN
Standard
EN
13155
Federal
Specification
IEC
61340
-
5
-
1
IFI
Standard
ISO
Standard
JCIS
10
-
70
MSS
Standard
NAS
SAE
Standard
Screw
Size
N
o
.
0
0
N
o
.
0
N
o
.
1
N
o
.
2
N
o
.
3
N
o
.
4
N
o
.
5
N
o
.
6
N
o
.
7
N
o
.
8
N
o
.
9
N
o
.
1
0
N
o
.
1
1
N
o
.
1
2
N
o
.
1
4
Tensile
Strength
130
lbf
200
lbf
Less
than
10,000
psi
10,000
psi
to
19,999
psi
20,000
psi
to
29,999
psi
30,000
psi
to
99,999
psi
100,000
psi
or
greater
Not
Rated
Screw
Features
Cutting
Wings
Flanged
Nonmarring
Tip
Sealing
Tension
Indicating
Vented
With
Washer
Drive
Size
0
.
0
2
8
"
0
.
0
3
5
"
3
/
6
4
"
0
.
0
5
0
"
1
/
1
6
"
5
/
6
4
"
3
/
3
2
"
7
/
6
4
"
1
/
8
"
9
/
6
4
"
0
.
1
5
6
"
5
/
3
2
"
3
/
1
6
"
7
/
3
2
"
1
/
4
"
Rounded
Head
Style
Binding
Button
Carriage
Cheese
Fillister
Pan
Pancake
Round
Truss
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81,077 Products
Fastening and Joining
Hex Head Screws
Used with nuts to create a stronger joint than flat and rounded screws
8,889 products
Socket Head Screws
With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold
7,875 products
Rounded Head Screws
Sit just above the surface for a low-profile finish and hold tighter than flat head screws
10,403 products
Flat Head Screws
Fit in countersunk holes for a flush finish
6,536 products
Thumb Screws
Tighten and loosen by hand without the need for tools
1,519 products
12-Point Screws
12 contact points handle more torque than a hex head while a flange eliminates the need for a washer
208 products
Shoulder Screws
Rotate parts around the cylinder under the head to guide and align them during installation
6,603 products
Carriage Bolts
A smooth head provides a finished look while a square neck keeps the bolt in place when using a nut
872 products
Set Screws
Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads
5,289 products
Tapping Screws
Fasten a range of materials together without needing to tap the hole first
5,470 products
Square Head Screws
Turn the large flat sides with a wrench into square holes that stop further rotation
145 products
Wood Screws
Fasten material to wood or pieces of wood to each other
1,481 products
T-Bolts
Turn by hand for easy fastening, use as a handle, or attach as a point for straps and clamps
21 products
Elevator Bolts
Create a flush joint to allow movement in tight spaces such as grain elevators and belting systems
187 products
Hanger Bolts
Suspend pipe and other fixtures with wire or cable ties
95 products
Studs
Press, weld, or screw in place to add a threaded fastening point
674 products
Fastener Assortments
Stay prepared by keeping fasteners in common sizes and materials on hand
17 products
Captive Panel Screws
Secure panels and enclosures while still having access to them
378 products
Plow Bolts
The head sits flush with countersunk holes while the bolt stays in place when tightening a nut
50 products
Pentagon Head Screws
Create a tamper-resistant joint with a head than can only be removed with a 5-point socket
15 products
Hold-Down Bolts
Hold material under the bent head while the other end is tightened down with a nut
21 products
Joint Clamps for Wood
Make secure joints between boards, butcher blocks, and countertops
3 products
Drywall Screws
Fasten panels of drywall to materials such as wood, metal, and drywall
132 products
Jack Screws
Secure computer cables and panels
24 products
Threaded Rods
Anchor, connect, or hang components in a wide variety of applications
5,337 products
Binding Barrels and Screws
Thread together for a low-profile fastener
884 products
Single-End Studs
Use the unthreaded end as a pivot point, hinge, shaft, or locator pin
184 products
Anchors
Secure structural joints in concrete, brick, and other building materials
938 products
Standoffs
Threaded to separate or connect parts as well as position components in assemblies
1,594 products
Standoff Caps
Create a finished look on standoffs and protect them from dirt and debris
66 products
Thread Adapters
Join threads of a different type, size, and gender
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Rivet Nuts
Add threads to thin panels with access from only one side; also known as blind inserts
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Weld Nuts
Weld to metal surfaces to add permanent threads
534 products
Spring Plungers
Apply accurate, consistent pressure for positioning, indexing, and ejecting parts
1,381 products
Captive Pins
Press into holes in thin materials like panels and circuit boards to permanently join or align them
84 products
Rivets
Join materials together permanently, especially when too thin or fragile to fasten with screws
6 products
Stud Welders
Join studs and pins to metal, leaving no marks on the back of the material
47 products
Hanger Bolt Driver Bits
Turn flat-end bolts and screws
4 products
Tapping Screw Installation Tools
Use with a hammer drill to install tapping screws in concrete, block, and brick
1 product
Fabricating and Machining
Setup Studs
Secure setup clamps and fixtures to your machine table or assemble heavy machines
619 products
T-Slot Bolts
Secure clamps and workpieces to machine tables with quicker setup than a T-slot nut and stud
142 products
T-Slot Nuts
Combine with setup studs or bolts to mount fixtures to machine tables
181 products
T-Slot Cleaners
Scrape debris out of machine table T-slots
2 products
Drill Bushing Lock Screws
Prevent drill bushings from spinning
14 products
T-Tracks
Add fixturing to flat surfaces on machines such as table saws, CNC routers, and drill presses
4 products
Locating Pin Lock Screws
Secure removable locating pins
2 products
Gear and Bearing Puller Forcing Screws
Replace forcing screws on gear and bearing pullers
18 products
Gear and Bearing Puller Shaft Protectors
Prevent forcing screws on pullers from causing damage
5 products
Gear and Bearing Puller Step-Plate Adapters
Provide a surface for forcing screws on pullers to push against
11 products
Clamps
Hold workpieces securely in place
191 products
Clamp Holding Screws
Replace worn holding screws in clamps or customize with different sizes or styles
52 products
Clamp Holding Screw Tips
Cover metal holding screws to protect workpieces from scratches
12 products
Lathe Tools
Remove material from workpieces as they rotate on a lathe
1 product
Power Transmission
Lead Screws and Nuts
Components travel along a screw with broad, square threads to clamp and lift heavy loads
1,875 products
Rod Ends
Use with connecting rods to support loads and control steering, tensioning, or pivoting motion
1,648 products
Rod End Inserts
Attach to rod ends to increase the amount of misalignment they can handle
29 products
Rod End Seals
Keep dirt out and lubrication in to extend the life of rod ends
16 products
Rod End Nuts
Attach to rods, pipe, and tubing to make pivot and hinge points
8 products
Connecting Rods
Use with rod ends and swivel joints to link components in push/pull assemblies
808 products
Ball Screw/Splines
Transmit rotary power, move loads along the shaft, or do both at once
3 products
Ball Screws and Nuts
Internal ball bearings roll on screws for low friction when moving components at high speeds
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Die Spring Screw Caps
Brace springs and control tension in die sets while simplifying maintenance
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Lead and Ball Screw End Supports
Brace and secure the ends of lead screws and ball screws
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Roller Screws and Nuts
More contact points to move heavier loads than ball and lead screw assemblies
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Splines and Spline Bearings
Transmit rotary power or move loads along the length of splines
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Material Handling
Eyebolts
Route rope through the loop or attach hooks and shackles for lifting
987 products
Hoist Rings
Pivot to resist stress that would bend or break an eyebolt when lifting at an angle
361 products
Eye Nuts
Pair with bolts or threaded rod to lift and hang components
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U-Bolts
Anchor heavy pipe, tube, and conduit; stronger than routing clamps and hangers
879 products
Routing Ring Bases
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Routing Rings
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Connect rotating wheels and support vehicles
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Jacks
Lift, hold, push, and position heavy objects
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Bolt-Together Framing and Fittings
Fasten through equally spaced holes to build and adjust guards, tables, and racks
1 product
Locking-Slotted Framing and Fittings
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Cam Handles
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Protective Caps
Cover holes at the end of pipe, conduit, and fittings to keep out debris
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Door Strike Plates
Reinforce the area where the latch meets the frame to protect it from friction
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Prevent double doors from being opened, or lock one door while the other stays unlocked
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Toilet Seat Fasteners
Secure toilet seat hinges to your toilet bowl
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Communication
Reference Charts
Check decimal equivalents, drill sizes, or specifications for socket screws
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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)