Common sub connections that are available
NC38/50, DSTJ, HT55, XT39/50/57, TTRD
(Full strength bodies - NACE graded steels)

Standard Drift Dimensions*
Drift OD (A) must be equal to or just greater than dart/ball OD for which pipe is being prepared and must be less than smallest ID in string.

Some typical OD & ID specs.

A Drift OD	B Catcher ID (Sub ID)	C Drift Choke
3¼”	3.17”	24/32”
3”	2.90”	24/32”
2½”	2.4”	24/32”
2¼”	2.0”	22/32”
2 1/8”	2.0”	22/32”
2 1/16”	2.0”	22/32”

*Custom ID’s and OD’s for A,B & C on request. Application note: In tapered hole situations catchers may be run for each section with the smaller drift able to pass through the larger catcher’s ID