DTH Drill Sub / DTH Adapter

BOX-BOX (Female-Female) Adapters

PIN-BOX (Male-Female) Adapters

PIN-PIN (Male-Male) Adapters

Description

We offer three types of adapters to meet your needs:

1.BOX-BOX (Female-Female) Adapters,
2.PIN-BOX (Male-Female) Adapters,
3.PIN-PIN (Male-Male) Adapters.

Our products can be customized in terms of length, outside diameter (O.D.), inside diameter (I.D.), and thread combinations to fit your specific requirements. Contact us today to learn more about our high-quality adapters for DTH drilling.

BOX-BOX (Female-Female) Adapters

BOX-BOX Connection		C	J	E	d	Outside diameter		F
BOX up A	BOX down B	Length(mm)	Length shoulder (mm)	Width spanner flat (mm)	Inner hole (mm)	D1 Top D1(mm)	D2 Bottom D2(mm)	Across flat (mm)
API 2 3/8″Reg	API 2 3/8″Reg	219	57.1	50.8	38.1	88.9	88.9	69.85
API 2 7/8″Reg	API 2 3/8″Reg	219	69.85	50.8	38.1	114.3	88.9	98.4
API 2 3/8″Reg	API 3 1/2″Reg	128.6	57.1	50.8	38.1	88.9	114.3	69.8
API 3 1/2″Reg	API 3 1/2″Reg	241.3	69.85	50.8	44.45	114.3	114.3	98.4
API 3 1/2″Reg	API 4 1/2″Reg	269.8	88.9	50.8	58.7	114.3	146	98.4
API 2 7/8″Reg	API 3 1/2″Reg	241.3	69.85	50.8	44.45	114.3	51.7	98.4
API 4 1/2″Reg	API 2 7/8″Reg	250.8	76.2	50.8	44.45	114.3	146	98.4