API Regular

SizeABCDEFGHK
2 3/833 1/22 5/81 7/82 11/163 3/8153
2 7/83 1/23 3/432 1/83 1/163 7/81 1/453
3 1/23 3/44 1/23 1/22 3/163 3/164 1/81 1/253
4 1/24 1/45 1/24 5/83 3/164 11/164 3/82 1/453
5 1/24 3/46 3/45 33/644 21/64

5 37/64

5 1/82 3/443
6 5/8*57 3/465 5/326 1/65 3/83 1/242
7 5/85 1/48 7/875 11/167 1/165 5/8443
8 5/85 5/8107 61/646 13/648 1/645 3/44 3/443


*5 3/4″ OD is optional

*Threaded portion same as 5 1/2″ Union Tool Full Hole