E-mail: sales@forwellequip.com

Crossover Subs / X-Over

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 or SAE 4330V Mod 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



​Crossover 2-7/8" EUE BOX X 3-1/2" EUE PIN

​Crossover 2-7/8" EUE BOX X 3-1/2" EUE PIN

​Crossover 2-7/8" x 3-1/2"
CROSSOVER PIN 3-1/2" 9.2PPF X HYDRIL CS BOX 2-7/8" 6.5PPF

CROSSOVER PIN 3-1/2" 9.2PPF X HYDRIL CS BOX 2-7/8" 6.5PPF

CROSSOVER
TUBING STRING SWAGE 2-3/8 EU Pin x 3-1/2 EU Box

TUBING STRING SWAGE 2-3/8 EU Pin x 3-1/2 EU Box

TUBING STRING NIPPLE SEATING 2-7/8 EUE

TUBING STRING NIPPLE SEATING 2-7/8 EUE

2-7/8 EUE
Sub X-Over HSM2 Box X Pin

Sub X-Over HSM2 Box X Pin

BGT2 Thread Crossover for tubing

BGT2 Thread Crossover for tubing

X-Over 2-3/8" NPT Pin X 2-7/8" EUE Box

X-Over 2-3/8" NPT Pin X 2-7/8" EUE Box

X-Over 2-3/8"
X-over IF PIN 3-1/2" X 2-7/8" HT-PAC Pin

X-over IF PIN 3-1/2" X 2-7/8" HT-PAC Pin

X-over IF PIN 3-1/2" X 2-7/8" HT-PAC Pin
Crossover Sub (AISI-4140 L80) 4 1/2" EUE Pin X 4 1/2" Pin

Crossover Sub (AISI-4140 L80) 4 1/2" EUE Pin X 4 1/2" Pin

Crossover Sub (L80)
NPT threaded Couplings 1/2” Carbon Steel

NPT threaded Couplings 1/2” Carbon Steel

Couplings 1/2”
XO CROSS OVER 3-1/2" EUE PIN X 2" LP PIN

XO CROSS OVER 3-1/2" EUE PIN X 2" LP PIN

XO CROSS OVER
Union Crossover 2" FIG 1502 x 2 7/8" EU Thread

Union Crossover 2" FIG 1502 x 2 7/8" EU Thread

Union Crossover
Crossover 3-1/2" IF Pin x 2in Weco Union 1502 Female thead

Crossover 3-1/2" IF Pin x 2in Weco Union 1502 Female thead

3-1/2" IF Pin x 2in Weco Union 1502
SUB BIT 2-3/8 REG BOX *2-3/8 IF BOX 2FT

SUB BIT 2-3/8 REG BOX *2-3/8 IF BOX 2FT

SUB-BIT REG BOX X IF BOX
CROSSOVER VA Superior PIN X BOX

CROSSOVER VA Superior PIN X BOX

4-1/2"*3-1/2"
PLUG PIPE EUE BOX TOP X BULL NOSE BOTTOM

PLUG PIPE EUE BOX TOP X BULL NOSE BOTTOM

3-1/2"4-1/2"
25 Chrome Duplex Crossover EUE

25 Chrome Duplex Crossover EUE

L80-25CR CROSSOVER 3-1/2" EUE PIN

L80-25CR CROSSOVER 3-1/2" EUE PIN

L80-25CR CROSSOVER
BULL PLUG 2 7/8 EU XH TAPPED 1/2 NPT API 5CT J55

BULL PLUG 2 7/8 EU XH TAPPED 1/2 NPT API 5CT J55

2 7/8 EU XH TAPPED 1/2 NPT
Bit Sub with Float Bore API Pin Stress Relief Groove and Box Boreback

Bit Sub with Float Bore API Pin Stress Relief Groove and Box Boreback

Swivel Sub 3 1/2" FH x 4 1/2" IF API7-1 SPEC

Swivel Sub 3 1/2" FH x 4 1/2" IF API7-1 SPEC

Kelly Saver Sub 2-3/8" IF X 3-1/2" REG

Kelly Saver Sub 2-3/8" IF X 3-1/2" REG

Crossover AISI 420 MOD 2-7/8" EU 8RD

Crossover AISI 420 MOD 2-7/8" EU 8RD

CROSSOVER 3-1/2” EUE BOX X STUB ACME PIN 5.8” OD

CROSSOVER 3-1/2” EUE BOX X STUB ACME PIN 5.8” OD