Description

Crossover subs is used to crossover from one connection size to another or as the disposable component used to extend the connection life of a more expensive drill stem member.

Crossover subs are available with:

box x pin

box x box

pin x pin connections.

Crossover Subs are manufactured from 4145M or 4140HT alloy steel. The connections are protected

by a phosphate surface coating that minimizes galling on initial make-up.Contact us Skype:Kaden Shi

X-Over are used to connect pipes or equipment with two different ODs and/or connections.

Forwell have different connections as follows;

EUE PIN X BOX

NUE PIN X PIN

IJ PIN X PIN

Premium thread Pin x Box

size OD (mm) Chamfer diameter (mm) ID (mm) Thread
60.3 85.7 83 44.5 NC26 (2 3/8 IF)
70.3 104.8 100.4 54 NC31 (2 7/8IF)
50.8
111.1 41.3
88.9 120.7 116.3 68.3 NC38 (3 1/2IF)
65.1
61.9
54
101.6 152.4 145 82.6 NC46 (4IF)
76.2
114.3 161.9 150.4 95.3 NC50 (4 1/2IF)
88.9
92.1
168.3 76.2
120.7 161.9 150.4 95.3
88.9
165.1 82.6
76.2
168.3 69.9
139.7 177.8 170.7 101.6 5 1/2FH
95.3
184.2 88.9
190.5 180.4 76.2