Sowant Precision Gage Co.,Ltd located in Suzhou city nearby Shanghai ,about 70 kilometers away -a Leader of Chinese Gage Supplier, we can supply traditional gauges such as calipers, micrometers, dial gauges, indicators, height gauges, gauge blocks, API Plug and Ring Gages (API Specification 5B, API Specification 7-2, API Specification 11B, Misc. Connections), Cylindrical Gage, Thread Gage, Air Gage, Spline Gage, Hardness test blocks, Ceramic Gages, but also covers high-technology measuring instruments like hardness tester, vision measuring machine and so on. Our products are mainly manufactured in China according to international standards with calibration report.
We can supplier the UNF thread gages as your requirement.
SCREW THREAD DATA CHARTS
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UNF Screw Thread per ANSI B1.1 |
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UNF = Unified National Fine Screw
Thread. |
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|
Nominal |
Major |
Major |
Tapping Drill |
TPI |
Pitch |
|
#0 - 80 UNF |
0.0600 |
1.524 |
1.25 |
80 |
0.317 |
|
#1 - 72 UNF |
0.0730 |
1.854 |
1.55 |
72 |
0.353 |
|
#2 - 64 UNF |
0.0860 |
2.184 |
1.90 |
64 |
0.397 |
|
#3 - 56 UNF |
0.0990 |
2.515 |
2.15 |
56 |
0.453 |
|
#4 - 48 UNF |
0.1120 |
2.845 |
2.40 |
48 |
0.529 |
|
#5 - 44 UNF |
0.1250 |
3.175 |
2.70 |
44 |
0.577 |
|
#6 - 40 UNF |
0.1380 |
3.505 |
2.95 |
40 |
0.635 |
|
#8 - 36 UNF |
0.1640 |
4.166 |
3.50 |
36 |
0.705 |
|
#10 - 32 UNF |
0.1900 |
4.826 |
4.10 |
32 |
0.794 |
|
#12 - 28 UNF |
0.2160 |
5.486 |
4.70 |
28 |
0.907 |
|
1/4" - 28 UNF |
0.2500 |
6.350 |
5.50 |
28 |
0.907 |
|
5/16" - 24 UNF |
0.3125 |
7.938 |
6.90 |
24 |
1.058 |
|
3/8" - 24 UNF |
0.3750 |
9.525 |
8.50 |
24 |
1.058 |
|
7/16" - 20 UNF |
0.4375 |
11.112 |
9.90 |
20 |
1.270 |
|
1/2" - 20 UNF |
0.5000 |
12.700 |
11.50 |
20 |
1.270 |
|
9/16" - 18 UNF |
0.5625 |
14.288 |
12.90 |
18 |
1.411 |
|
5/8" - 18 UNF |
0.6250 |
15.875 |
14.50 |
18 |
1.411 |
|
3/4" - 16 UNF |
0.7500 |
19.050 |
17.50 |
16 |
1.587 |
|
7/8" - 14 UNF |
0.8750 |
22.225 |
20.40 |
14 |
1.814 |
|
1" - 12 UNF |
1.0000 |
25.400 |
23.25 |
12 |
2.117 |
|
1-1/8" - 12 UNF |
1.1250 |
28.575 |
26.50 |
12 |
2.117 |
|
1-1/4" - 12 UNF |
1.2500 |
31.750 |
29.50 |
12 |
2.117 |
|
1-3/8" - 12 UNF |
1.3750 |
43.925 |
32.75 |
12 |
2.117 |
|
1-1/2" - 12 UNF |
1.5000 |
38.100 |
36.00 |
12 |
2.117 |
|
UNF Screw Thread |
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