Made from black-oxide steel, these adapters resist corrosion in dry environments. Thread length is the same on both ends.
3D CAD models availableFor technical drawings and 3-D models, click on a part number.
Lg. Thread
Lg. Tensile
Strength, psi Hardness Each
Black-Oxide Steel
1/4"-20
1 1/2" 5/8" 70,000 Rockwell B67 94455A110 $1.57
2" 1/2" 70,000 Rockwell B67 94455A112 1.57
2 1/2" 3/4" 70,000 Rockwell B67 94455A116 1.57
3" 3/4" 70,000 Rockwell B67 94455A120 1.74
4" 1" 70,000 Rockwell B67 94455A124 1.74
5/16"-18
2" 1/2" 70,000 Rockwell B67 94455A200 2.16
2 1/2" 3/4" 70,000 Rockwell B67 94455A205 2.16
3" 3/4" 70,000 Rockwell B67 94455A211 2.16
4" 1" 70,000 Rockwell B67 94455A220 2.23
3/8"-16
1 1/2" 5/8" 70,000 Rockwell B67 94455A312 1.57
2" 3/4" 70,000 Rockwell B67 94455A317 1.97
2 1/2" 3/4" 70,000 Rockwell B67 94455A323 2.03
3" 3/4" 70,000 Rockwell B67 94455A325 2.16
3 1/2" 1" 70,000 Rockwell B67 94455A327 2.16
4" 1" 70,000 Rockwell B67 94455A328 2.16
5" 1 1/4" 70,000 Rockwell B67 94455A340 2.23
6" 1 1/2" 70,000 Rockwell B67 94455A344 2.23
1/2"-13
1 3/4" 3/4" 70,000 Rockwell B67 94455A410 1.90
2" 3/4" 70,000 Rockwell B67 94455A413 1.90
3" 3/4" 70,000 Rockwell B67 94455A422 2.16
4" 1 1/4" 70,000 Rockwell B67 94455A425 2.26
5" 1 1/4" 70,000 Rockwell B67 94455A429 2.26
6" 1 1/2" 70,000 Rockwell B67 94455A433 2.26
8" 1 3/4" 70,000 Rockwell B67 94455A441 2.39
5/8"-11
2 1/2" 7/8" 70,000 Rockwell B67 94455A526 2.62
4" 1 1/4" 70,000 Rockwell B67 94455A534 3.24
6" 1 1/2" 70,000 Rockwell B67 94455A537 3.54
8" 2" 70,000 Rockwell B67 94455A545 3.93
3/4"-10
4" 1 3/4" 70,000 Rockwell B67 94455A610 5.66
5" 1 3/4" 70,000 Rockwell B67 94455A614 5.87
6" 1 3/4" 70,000 Rockwell B67 94455A621 6.07
8" 2" 70,000 Rockwell B67 94455A629 7.44