Drill String Adaptor Subs are available in a wide range of diameters, lengths, wrenching, and thread size/types.
TDS understands the need to have a versatile range of configurations to connect your drill rods together. We have a wide range of certified thread gages available to accommodate all your configuration needs.
Standard Adapter Subs
Diameter (mm) |
Diameter (in) |
Length (mm) |
Length (in)s |
Box Thread |
Pin Thread |
Wrench Flat Width (mm) |
Wrench Flat Width (in) |
76 |
3 |
100 |
3.94 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
130 |
5.12 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
160 |
6.30 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
180 |
7.09 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
200 |
7.87 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
220 |
8.66 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
250 |
9.84 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
260 |
10.24 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
280 |
11.02 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
300 |
11.81 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
320 |
12.60 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
340 |
13.39 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
360 |
14.17 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
380 |
14.96 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
400 |
15.75 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
420 |
16.54 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
440 |
17.32 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
460 |
18.11 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
500 |
19.68 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
520 |
20.47 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
76 |
3 |
540 |
21.26 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
100 |
3.94 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
130 |
5.12 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
170 |
6.69 |
2 3/8" IF |
2 3/8" IF |
A/F65 |
2.5 |
89 |
3.50 |
200 |
7.87 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
220 |
8.66 |
2 3/8" IF |
2 3/8" IF |
A/F65 |
2.5 |
89 |
3.50 |
250 |
9.84 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
270 |
10.63 |
2 3/8" IF |
2 3/8" IF |
A/F65 |
2.5 |
89 |
3.50 |
300 |
11.81 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
320 |
12.60 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
350 |
13.78 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
380 |
14.96 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
400 |
15.75 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
430 |
16.93 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
450 |
17.72 |
2 3/8" IF |
2 3/8" IF |
A/F65 |
2.5 |
89 |
3.50 |
480 |
18.90 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
500 |
19.68 |
2 3/8" IF |
2 3/8" IF |
A/F65 |
2.5 |
89 |
3.50 |
530 |
20.87 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
550 |
21.65 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
580 |
22.83 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
600 |
23.62 |
2 3/8" IF |
2 3/8" IF |
A/F65 |
2.5 |
89 |
3.50 |
650 |
25.59 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
680 |
26.77 |
2 3/8" IF |
2 3/8" IF |
A/F65 |
2.5 |
89 |
3.50 |
700 |
27.56 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
730 |
28.74 |
2 3/8" IF |
2 3/8" IF |
A/F65 |
2.5 |
89 |
3.50 |
750 |
29.53 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
780 |
30.71 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
810 |
31.89 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
830 |
32.68 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
860 |
33.86 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
880 |
34.65 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
910 |
35.83 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
89 |
3.50 |
930 |
36.61 |
2 3/8" API |
2 3/8" API |
A/F65 |
2.5 |
102 |
4 |
120 |
4.72 |
2 3/8" IF |
2 3/8" IF |
A/F75 |
3 |
102 |
4 |
140 |
5.51 |
2 3/8" IF |
2 3/8" IF |
A/F75 |
3 |
102 |
4 |
180 |
7.09 |
2 7/8" API |
2 7/8" API |
A/F75 |
3 |
102 |
4 |
210 |
8.27 |
2 3/8" API |
2 3/8" API |
A/F75 |
3 |
102 |
4 |
300 |
11.81 |
2 3/8" IF |
2 3/8" IF |
A/F75 |
3 |
102 |
4 |
360 |
14.17 |
2 7/8" API |
2 7/8" API |
A/F75 |
3 |
102 |
4 |
410 |
16.14 |
3 1/2" API |
3 1/2" API |
A/F75 |
3 |
102 |
4 |
480 |
18.90 |
3 1/2" API |
3 1/2" API |
A/F65 |
3 |
102 |
4 |
520 |
20.47 |
2 7/8" API |
2 7/8" API |
A/F75 |
3 |
102 |
4 |
600 |
23.62 |
2 7/8" API |
2 7/8" API |
A/F75 |
3 |
102 |
4 |
660 |
25.98 |
3 1/2" API |
3 1/2" API |
A/F75 |
3 |
102 |
4 |
700 |
27.56 |
2 7/8" IF |
2 7/8" IF |
A/F75 |
3 |
114 |
4.50 |
120 |
4.72 |
3 1/2" API |
3 1/2" API |
A/F75 |
3 |
114 |
4.50 |
140 |
5.51 |
3 1/2" API |
3" BECO |
A/F75 |
3 |
114 |
4.50 |
180 |
7.09 |
3 1/2" API |
3 1/2" API |
A/F75 |
3 |
114 |
4.50 |
210 |
8.27 |
3" BECO |
3" BECO |
A/F90 |
3.5 |
114 |
4.50 |
300 |
11.81 |
3 1/2" API |
3 1/2" API |
A/F95 |
3.75 |
114 |
4.50 |
360 |
14.17 |
3 1/2" API |
3 1/2" API |
A/F95 |
3.75 |
114 |
4.50 |
410 |
16.14 |
2 3/8" IF |
2 7/8" IF |
A/F95 |
3.75 |
114 |
4.50 |
480 |
18.90 |
3 1/2" API |
3 1/2" API |
A/F95 |
3.75 |
114 |
4.50 |
520 |
20.47 |
3 1/2" API |
3 1/2" API |
A/F95 |
3.75 |
114 |
4.50 |
600 |
23.62 |
2 3/8" API |
2 3/8" API |
A/F95 |
3.75 |
114 |
4.50 |
660 |
25.98 |
3 1/2" API |
3 1/2" API |
A/F95 |
3.75 |
114 |
4.50 |
700 |
27.56 |
3 1/2" IF |
3 1/2" IF |
A/F95 |
3.75 |
114 |
4.50 |
740 |
29.13 |
3 1/2" API |
3 1/2" API |
A/F95 |
3.75 |
114 |
4.50 |
790 |
31.10 |
3 1/2" API |
3 1/2" API |
A/F95 |
3.75 |
114 |
4.50 |
820 |
32.38 |
3 1/2" IF |
3 1/2" IF |
A/F95 |
3.75 |
114 |
4.50 |
850 |
33.46 |
3 1/2" API |
3 1/2" API |
A/F95 |
3.75 |
114 |
4.50 |
880 |
34.65 |
3 1/2" API |
3 1/2" API |
A/F95 |
3.75 |
114 |
4.50 |
910 |
35.83 |
3 1/2" IF |
3 1/2" IF |
A/F95 |
3.75 |
114 |
4.50 |
940 |
37.01 |
2 7/8" API |
2 7/8" API |
A/F95 |
3.75 |
114 |
4.50 |
970 |
38.19 |
NC35 |
NC35 |
A/F95 |
3.75 |
127 |
5 |
300 |
11,81 |
3 1/2" API |
3 1/2" API |
A/F95 |
3.75 |
127 |
5 |
360 |
14,17 |
3 1/2" API |
3 1/2" API |
A/F95 |
3.75 |
127 |
5 |
410 |
16.14 |
3 1/2" API |
3 1/2" API |
A/F95 |
3.75 |
127 |
5 |
480 |
18.90 |
3 1/2" API |
3 1/2" API |
A/F95 |
3.75 |
127 |
5 |
520 |
20.47 |
3 1/2" API |
3 1/2" API |
A/F95 |
3.75 |
127 |
5 |
600 |
23.62 |
3 1/2" API |
3 1/2" API |
A/F95 |
4.75 |
127 |
5 |
700 |
27.56 |
3 1/2" API |
3 1/2" API |
A/F95 |
5.75 |
127 |
5 |
820 |
32.28 |
3 1/2" API |
3 1/2" API |
A/F95 |
6.75 |
127 |
5 |
910 |
35.83 |
3 1/2" API |
3 1/2" API |
A/F95 |
7.75 |
140 |
5.50 |
300 |
11.81 |
4 1/2" API |
4 1/2" API |
A/F120 |
4.75 |
140 |
5.50 |
360 |
14.17 |
4 1/2" API |
4 1/2" API |
A/F120 |
4.75 |
140 |
5.50 |
410 |
16.14 |
4 1/2" API |
4 1/2" API |
A/F120 |
4.75 |
140 |
5.50 |
460 |
18.11 |
3 1/2" API |
3 1/2" API |
A/F120 |
4.75 |
140 |
5.50 |
520 |
20.47 |
3 1/2" API |
3 1/2" API |
A/F120 |
4.75 |
140 |
5.50 |
600 |
23.62 |
3 1/2" IF |
3 1/2" IF |
A/F120 |
4.75 |
140 |
5.50 |
700 |
27.56 |
4 1/2" API |
4 1/2" API |
A/F120 |
4.75 |
140 |
5.50 |
730 |
28.74 |
3 1/2" API |
3 1/2" API |
A/F120 |
4.75 |
140 |
5.50 |
750 |
29.53 |
4 1/2" API |
4 1/2" API |
A/F120 |
4.75 |
140 |
5.50 |
780 |
30.71 |
4 1/2" API |
4 1/2" API |
A/F120 |
4.75 |
140 |
5.50 |
820 |
32.28 |
3 1/2" API |
3 1/2" API |
A/F120 |
4.75 |
140 |
5.50 |
850 |
33.46 |
3 1/2" API |
3 1/2" API |
A/F120 |
4.75 |
140 |
5.50 |
870 |
34.25 |
4 1/2" API |
4 1/2" API |
A/F120 |
4.75 |
140 |
5.50 |
900 |
35.43 |
4 1/2" API |
4 1/2" API |
A/F120 |
4.75 |
140 |
5.50 |
920 |
36.22 |
3 1/2" API |
3 1/2" API |
A/F120 |
4.75 |