Products - Lead Screws - ACME

Acme Threaded Rods

Precision rolled ACME threads have a 2G thread fit and a smooth finish that increases rod life by reducing friction. The lead error over the length of the rod is 0.006" maximum per foot.

Thread
Name
Thread
Size
Threads
per Inch
Thread
Starts
Thread
Type
Thread
Lead
1/4-16-1
1/4
16
1
acme
0.0625
1/4-16-2
1/4
16
2
acme
0.1250
1/4-16-4
1/4
16
4
acme
0.2500
1/4-20-1
1/4
20
1
acme
0.0500
5/16-8-2
5/16
8
2
stub acme
0.2500
5/16-8-4
5/16
8
4
stub acme
0.5000*
3/8-10-1
3/8
10
1
acme
0.1000
3/8-10-2
3/8
10
2
acme
0.2000
3/8-12-1
3/8
12
1
acme
0.0833
3/8-12-2
3/8
12
2
acme
0.1667
3/8-16-1
3/8
16
1
acme
0.0625
3/8-20-1
3/8
20
1
acme
0.0500
3/8-4-5
3/8
4
5
stub acme
1.2500*
3/8-5-5
3/8
5
5
stub acme
1.0000*
3/8-8-1
3/8
8
1
stub acme
0.1250
3/8-8-2
3/8
8
2
stub acme
0.2500
3/8-8-3
3/8
8
3
stub acme
0.3750
3/8-8-4
3/8
8
4
stub acme
0.5000*
7/16-8-2
7/16
8
2
stub acme
0.2500
7/16-8-4
7/16
8
4
stub acme
0.5000
1/2-10-1
1/2
10
1
acme
0.1000
1/2-10-2
1/2
10
2
acme
0.2000
5/8-10-1
5/8
10
1
acme
0.1000
5/8-10-2
5/8
10
2
acme
0.2000
5/8-8-1
5/8
8
1
stub acme
0.1250
5/8-8-2
5/8
8
2
stub acme
0.2500

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