No.	Metric	UNC/UNF/BSW/BSF
2	M 2 x 0.4, M 2.2 x 0.45	UNC No. 2
3	M 2.5 x 0.45
4	M 3 x 0.5	UNC/UNF No. 4
5	M 3.5 x 0.6	UNC/UNF No. 6
6	M 4 x 0.7	UNC/UNF No. 8
8	M 5 x 0.8	UNC/UNF No. 10, UNC No. 12
9	M 6 x 1.0	UNC/UNF 1/4, BSW/BSF 1/4
10	M 7 x 1.0	UNC/BSW 5/16
11	M 8 x 1.25, M 8 x 1.0	UNF/BSF 5/16
12	M 9 x 1.25, M 9 x 1.0	UNC 3/8, BSW/BSF 3/8
13	M 10 x 1.5, M 10 x 1.0,             M 10 x 1.25	UNF 3/8
14	M 11 x 1.5, M 11 x 1.25	UNC/UNF 7/16,        BSW/BSF 7/16
15	M 12 x 1.75,  M 12 x 1.5,          M 12 x 1.25,  M 12 x 1.0	UNC/UNF 1/2,      BSW/BSF 1/2
16	M 14 x 2.0,  M 14 x 1.5	UNC/UNF 9/16,      BSW/BSF 9/16
17	M 14 x1.25,  M 14 x 1.0
18	M 16 x 2.0,  M 16 x 1.5	UNC/UNF 5/8,     BSW/BSF 5/8
20	M 18 x 2.5,  M 18 x 2.0,            M 18 x 1.5	UNC 3/4,   BSW/BSF 3/4
21	M 20 x 2.5,  M 20 x 2.0,           M 20 x 1.5	UNF 3/4
22	M 22 x 2.5,   M 22 x 2.0            M 22 x 1.5	UNC/UNF 7/8,                                           BSW/BSF 7/8
23	M 24 x 2.5,   M 24 x 2.0            M 24 x 1.5	UNC/UNF 1",                                                     BSW/BSF 1"