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System of Measurement
Inch
Metric
Thread Size
8-32
10-32
1/4"
-16
1/4"
-20
1/4"
-28
5/16"
-18
5/16"
-24
3/8"
-8
3/8"
-10
3/8"
-12
3/8"
-16
3/8"
-24
7/16"
-14
7/16"
-20
0.469"-32
Length
1"
1
1/64"
1
1/8"
1
1/4"
1
3/8"
1
1/2"
1
5/8"
1
45/64"
1
47/64"
1
3/4"
1
7/8"
2"
2
1/8"
2
1/4"
2
11/32"
Threading
Fully Threaded
Partially Threaded
Threaded on Both Ends
Material
Hide
Aluminum
Brass
Bronze
Carbon Fiber
Copper
Fiberglass
Grade 2 Titanium
Iron
Nickel
Plastic
Rubber
Stainless Steel
Steel
12L14 Carbon Steel
1018 Low-Carbon Steel
1045 Carbon Steel
1050 Carbon Steel
1117 Carbon Steel
1144 Carbon Steel
1215 Carbon Steel
4140 Alloy Steel
52100 Alloy Steel
Alloy Steel
Bearing Steel
Carbon Steel
Chrome-Moly Steel
Steel
Zinc
Component
Ball Nut
Ball Screw
End Support
Lead Screw
Nut
Roller Screw
Thread Direction
Left Hand
Right Hand
Thread Type
Acme
Ball
Metric Ball
Roller
Stub Acme
UN
UNC
UNEF
UNF
UNS
Unit Price
Less than $10
$10 to $15
$15 to $30
$30 to $70
$70 or greater
Thread Spacing
Coarse
Fine
Thread Length
3/8"
7/16"
1/2"
5/8"
3/4"
1"
1
1/8"
1
7/16"
1
5/8"
Nut Type
Externally Threaded
Flange
Platform
Round
Tensile Strength
20,000 psi to 39,999 psi
40,000 psi to 99,999 psi
100,000 psi or greater
Not Rated
Fastener Strength Grade/Class
ASTM Grade B7
Shoulder Length
1/4"
3/8"
1/2"
5/8"
3/4"
1"
1
1/4"
1
1/2"
2"
2
3/16"
2
23/32"
Drive Style
Hex
Diameter
3/4"
1"
1
1/16"
1
1/4"
1
5/16"
1
5/8"
1
11/16"
2
3/32"
2
5/8"
3
3/8"
13 mm
20 mm
23 mm
25 mm
31 mm
34 mm
35 mm
40 mm
42 mm
43 mm
52 mm
60 mm
Finish
Anodized
Black Oxide
Cadmium Plated
Chrome Plated
Phosphate Coated
Zinc Plated
ID
5/32"
3/16"
1/4"
5/16"
23/64"
3/8"
7/16"
15/32"
1/2"
19/32"
5/8"
43/64"
3/4"
25/32"
7/8"
63/64"
1"
1
3/16"
1
1/4"
1
1/2"
1
49/64"
2"
5 mm
6 mm
8 mm
10 mm
12 mm
14 mm
16 mm
20 mm
25 mm
Hardness
Rockwell C31
Rockwell C32
Rockwell C35
Rockwell C39
Rockwell C56
Rockwell C58
Rockwell C58 to Rockwell C62
Rockwell C60
Not Rated
Travel Distance per Turn
0.063"
0.083"
0.1"
0.125"
0.167"
0.188"
0.2"
0.25"
0.274"
0.5"
1"
1 mm
2 mm
4 mm
5 mm
10 mm
Shoulder Diameter
1/4"
5/16"
3/8"
1/2"
Thread Fit
Acme Class 2G
Unified Standard Class 2A
Unified Standard Class 3A
REACH
Compliant
Not Compliant
DFARS Specialty Metals
Compliant
Exempt
Not Compliant
Export Control Classification Number (ECCN)
EAR99
RoHS
Compliant
Compliant with Exemptions
Not Compliant
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647 Products
Fastening and Joining
Thread Adapters
Join threads of a different type, size, and gender
27 products
Studs
Press, weld, or screw in place to add a threaded fastening point
36 products
Power Transmission
Lead Screws
Pair with lead screw nuts to move components in a straight line
158 products
Ball Screws and Nuts
Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required
144 products
Lead and Ball Screw End Supports
Brace and secure the ends of lead screws and ball screws
13 products
Rod Ends
Use with connecting rods to support loads and control steering, tensioning, or pivoting motion
259 products
Roller Screws and Nuts
Create more points of contact to handle much higher loads than ball screws and nuts of the same size
8 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)