American Screw Threads
AMERICAN THREAD DATA
Size
UNF TPI
UNC TPI
O.D.
0
80
-
0.060
1
72
64
0.073
2
64
56
0.086
3
56
48
0.099
4
48
40
0.112
5
44
40
0.125
6
40
32
0.138
8
36
32
0.164
10
32
24
0.190
12
28
24
0.216
UNF 60 Deg V-thread, flat root and crest, flat width=1/8 pitch
UNC 60 Deg V-thread, flat root and creat, flat width = 1/8 pitch
Philips Head 18-8 Stainless Steel 4 for US$1.00 Plus postage(Specify Length)
(To calculate the Outside Diameter Mils(0.001") = 60 + size * 13
Example Size 10: 10 x 13 = 130 , plus 60 = 190 mils
Please send questions or comments to
James Downer