Products - Lead Screws - Unified National V
Unified National Threaded Rods
Precision rolled UN V threads have a 2A thread fit (3A upon request). The lead error over the length of the rod is 0.003" maximum per foot.
|
Thread
Name
|
Thread
Size
|
Threads
per Inch
|
Thread
Series
|
Thread
Class
|
Thread
Lead
|
Numbered Unified National Threads |
#4-40 UNC 2A |
#4 |
40 |
UNC |
2A |
.0250 |
#4-36 UNS 2A |
#4 |
36 |
UNS |
2A |
.0278 |
#5-40 UNC 2A |
#5 |
40 |
UNC |
2A |
.0250 |
#6-40 UNF 2A |
#6 |
40 |
UNF |
2A |
.0250 |
#6-36 UNS 2A |
#6 |
36 |
UNS |
2A |
.0278 |
#6-32 UNC 2A |
#6 |
32 |
UNC |
2A |
.0313 |
#8-40 UNS 2A |
#8 |
40 |
UNS |
2A |
.0250 |
#8-36 UNF 2A |
#8 |
36 |
UNF |
2A |
.0278 |
#8-32 UNC 2A |
#8 |
32 |
UNC |
2A |
.0313 |
#10-40 UNS 2A |
#10 |
40 |
UNS |
2A |
.0250 |
#10-32 UNF 2A |
#10 |
32 |
UNF |
2A |
.0313 |
Fractional Unified National Threads |
1/4-40 UNS 2A |
1/4 |
40 |
UNS |
2A |
.0250 |
1/4-36 UNS 2A |
1/4 |
36 |
UNS |
2A |
.0278 |
1/4-32 UNEF 2A |
1/4 |
32 |
UNEF |
2A |
.0313 |
1/4-28 UNF 2A |
1/4 |
28 |
UNF |
2A |
.0357 |
1/4-24 UNS 2A |
1/4 |
24 |
UNS |
2A |
.0417 |
1/4-20 UNC 2A |
1/4 |
20 |
UNC |
2A |
.0500 |
9/32-40 UNS 2A |
9/32 |
40 |
UNS |
2A |
.0250 |
9/32-32 UNS 2A |
9/32 |
32 |
UNS |
2A |
.0313 |
5/16-40 UNS 2A |
5/16 |
40 |
UNS |
2A |
.0250 |
5/16-36 UNEF 2A |
5/16 |
36 |
UNEF |
2A |
.0278 |
5/16-24 UNF 2A |
5/16 |
24 |
UNF |
2A |
.0417 |
5/16-20 UN 2A |
5/16 |
20 |
UN |
2A |
.0500 |
5/16-18 UNC 2A |
5/16 |
18 |
UNC |
2A |
.0556 |
3/8-40 UNS 2A |
3/8 |
40 |
UNS |
2A |
.0250 |
3/8-32 UNEF 2A |
3/8 |
32 |
UNEF |
2A |
.0313 |
3/8-24 UNF 2A |
3/8 |
24 |
UNF |
2A |
.0417 |
3/8-20 UN 2A |
3/8 |
20 |
UN |
2A |
.0500 |
3/8-16 UNC 2A |
3/8 |
16 |
UNC |
2A |
.0625 |
7/16-20 UNS 2A |
7/16 |
20 |
UNS |
2A |
.0500 |
7/16-14 UNS 2A |
7/16 |
14 |
UNS |
2A |
.0714 |
7/16-12 UNS 2A |
7/16 |
12 |
UNS |
2A |
.0833 |
1/2-40 UNS 2A |
1/2 |
40 |
UNS |
2A |
.0250 |
1/2-20 UNF 2A |
1/2 |
20 |
UNF |
2A |
.0500 |
1/2-13 UNC 2A |
1/2 |
13 |
UNC |
2A |
.0769 |
9/16-24 UNS 2A |
9/16 |
24 |
UNS |
2A |
.0417 |
9/16-20 UNS 2A |
9/16 |
20 |
UNS |
2A |
.0500 |
9/16-18 UNS 2A |
9/16 |
18 |
UNS |
2A |
.0556 |
9/16-12 UNS 2A |
9/16 |
12 |
UNS |
2A |
.0833 |
5/8-20 UN 2A |
5/8 |
20 |
UN |
2A |
.0500 |
5/8-18 UNF 2A |
5/8 |
18 |
UNF |
2A |
.0556 |
5/8-11 UNC 2A |
5/8 |
11 |
UNC |
2A |
.0909 |
|
