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Product Family
Lead Screw Collars
Precision Lead Screws and Nuts
System of Measurement
Inch
Metric
Thread Size
4-40
6-32
8-32
10-32
1/8"
-20.8
1/8"
-41.7
9/64"
-20.8
9/64"
-41.7
5/32"
-21.3
3/16"
-42.7
7/32"
-20.8
1/4"
-8
1/4"
-12
1/4"
-16
1/4"
-20
1/4"
-28
1/4"
-40
5/16"
-24
Component
Collar
Lead Screw
Nut
Length
9/32"
5/16"
21/64"
25/64"
13/32"
15/32"
31/64"
1/2"
5/8"
11/16"
3/4"
25/32"
15/16"
63/64"
1"
1
1/8"
1
1/4"
1
17/64"
Nut Type
Externally Threaded
Flange
Platform
Round
Material
360 Brass
Bronze
Iron
Plastic
Stainless Steel
Steel
Thread Direction
Left Hand
Right Hand
Right Hand and Left Hand
Thread Type
Acme
Metric
Metric Rounded Trapezoidal
Metric Trapezoidal
Rounded Acme
Stub Acme
UN
UNF
UNS
Travel Distance per Turn
0.024"
0.025"
0.048"
0.05"
0.063"
0.083"
0.094"
0.096"
0.1"
0.125"
0.166"
0.167"
0.192"
0.2"
0.25"
0.333"
0.375"
0.5"
1"
2"
0.3 mm
0.375 mm
0.5 mm
0.75 mm
1 mm
1.5 mm
2 mm
3 mm
4 mm
5 mm
6 mm
7 mm
8 mm
10 mm
12 mm
20 mm
35 mm
60 mm
Number of Thread Starts
1
2
3
4
5
6
7
8
10
12
16
Thread Pitch
0.3 mm
0.4 mm
0.5 mm
1 mm
1.25 mm
1.5 mm
2 mm
2.5 mm
3 mm
4 mm
5 mm
7 mm
7.5 mm
Diameter
0.209"
0.228"
0.295"
0.297"
0.315"
0.354"
0.4"
0.406"
0.5"
0.548"
0.625"
0.68"
0.688"
0.703"
0.709"
0.75"
0.787"
0.866"
Speed Ratio
1:1
2:1
3:1
4:1
5:1
6:1
7:1
8:1
10:1
12:1
16:1
Thread Fit
Acme Class 2C
Metric Trapezoidal Class 7H
Metric Trapezoidal Class 8e
Tensile Strength
Less than 10,000 psi
10,000 psi to 19,999 psi
20,000 psi to 39,999 psi
40,000 psi to 99,999 psi
100,000 psi or greater
Not Rated
Hardness
Brinell 65
Brinell 69
Brinell 70
Brinell 126
Brinell 130
Brinell 141
Brinell 150
Brinell 160
Brinell 163
Brinell 167
Brinell 170
Brinell 200
Brinell 217
Brinell 228
Brinell 271
Durometer 74D
Durometer 83D
Rockwell C35
Rockwell R120
Not Rated
REACH
Compliant
Not Compliant
RoHS
Compliant
Compliant with Exemptions
Not Compliant
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
Yes
No
DFARS Specialty Metals
Compliant
Exempt
Export Control Classification Number (ECCN)
EAR99
Dynamic Thrust Load Capacity
Less than 1,000 lb.
1,000 lb. to 1,999 lb.
2,000 lb. to 2,999 lb.
3,000 lb. to 9,999 lb.
10,000 lb. or greater
Not Rated
Performance
Clamping
Fast Travel
Ultra Precision
Construction
One Piece
Two Piece
Shaft Diameter
2 mm
3 mm
4 mm
5 mm
Width
0.22"
9/32"
0.311"
11/32"
0.402"
13/32"
7/16"
1/2"
9/16"
5/8"
3/4"
1"
2"
2
5/8"
3"
3
5/8"
9 mm
11 mm
13 mm
15 mm
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1,027 Products
...
Precision Lead Screws and Nuts
Precision Acme Lead Screws and Nuts
Make accurate, repeatable starts and stops with a tight thread fit
519 products
Metric Precision Lead Screws and Nuts
Make accurate, repeatable starts and stops with a tight thread fit
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A single thread runs the length of the screw, so the nut only travels when the screw turns
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Create fast linear travel with multiple thread channels
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Multiple thread channels makes these faster than other Ultra-Precision Lead Screws and Nuts
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Multiple thread channels makes these faster than other Ultra-Precision Lead Screws and Nuts
72 products
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A single thread runs the length of the screw, so the nut only travels when the screw turns
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