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High Efficiency Dth Drill Pipe Joint Connection Pin Box Sub Adaptor

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Brand Name :	MIROC by KSQ
Model Number :	DTH Drill Sub
Certification :	API, ISO9001
Price :	Negotiable
Payment Terms :	L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability :	100000 Pieces per Year
Delivery Time :	5-15 Working Days

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High Efficiency Dth Drill Pipe Joint Connection Pin Box Sub Adaptor

API Connection Pin Box Sub Adaptor for Mining and Well Drilling

DTH Drill Rods (Tubes/Pipes) and Sub Adaptors:

KSQ has DTH drill rods with several different thickness designs for each diameter, made from different grade steels for selection. So, in practice of field drilling, under different condition, there may be in need of different kinds of drill rods for particular application. For example, the thicker ones with general high quality grade steel for drilling hole of average depth, such as blasting holes; and the thinner ones with better grade steel for drilling hole of very deep, such as drilling for ground thermal. Moreover, the DTH drill rods are also well heat-treated, precision manufactured, and friction-welded.

Products Parameters:

Type	Diameter		Length		Connection Thread
Type	mm	inch	mm	inch	API REG/IF
Pin to Box	59~146	2 3/8 ~ 5 3/4	120~235	4 23/32 ~ 9 1/4	2 3/8”, 2 7/8”, 3 1/2”, 4 1/2”
Pin to Pin	90~115	3 1/2 ~ 4 1/2	70~97	2 3/4 ~ 3 5/8	2 3/8” , 2 7/8”, 3 1/2”
Box to Box	77~205	3 ~ 8 1/8	200~270	7 7/8 ~ 10 5/8	2 3/8”, 2 7/8”, 3 1/2”, 4 1/2”, 6 5/8”

Application:
Mining production;
Water well drilling, Geothermal Drilling;
Micropiling, Overburding drilling;
Mineral exploration;
Horizontal Direction Drilling.

Specification of other DTH Subs:

1. Box-Box Adapters

Connection		Length	Length	Width	Std bore	Outside diameter		Across
Connection		Length	Spanner	Spanner flats	Std bore	Top	Bottom	Flat
Box up	Box down	C	J	E	d	D1	D2	F
A	B	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	(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

2. Pin-Box Adapters

Connection		Length	Length	Width	Std bore	Outside diameter		Across
Connection		Length	Spanner	Spanner flats	Std bore	Top	Bottom	Flat
Box up	Pin down	C	J	E	d	D1	D2	F
A	B	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)
API 2 3/8" REG	API 2 3/8" REG	140	50.8	65	24	88.9	88.9	69.85
API 2 3/8" REG	API 2 7/8" REG	134.9	69.85	50.8	31.75	88.9	88.9	69.85
API 2 3/8" REG	API 3 1/2" REG	146	39.7	50.8	25.4	114.3	88.9	98.4
API 3 1/2" REG	API 3 1/2" REG	101.6	39.7	50.8	44.45	127	127	98.4
API 3 1/2" REG	API 4 1/2" REG	134.9	39.7	50.8	52.4	114.3	146	98.4
API 2 7/8" REG	API 2 3/8" REG	134.9	39.7	50.8	31.75	88.9	88.9	69.85
API 2 7/8" REG	API 3 1/2" REG	134.9	39.7	50.8	44.45	114.3	114.3	98.4
API 2 7/8" REG	API 4 1/2" REG	174.6	100	50.8	44.45	114.3	146	98.4

3. Pin-Pin Adapters

Connection		Length	Length	Width	Std bore	Outside diameter		Across
Connection		Length	Spanner	Spanner flats	Std bore	Top	Bottom	Flat
Pin up	Pin down	C	J	E	d	D1	D2	F
A	B	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)
API 2 3/8" REG	API 2 3/8" REG	70	20	50.8	24	78	78	65
API 2 3/8" REG	API 2 7/8" REG	152.4	50.8	50.8	25.4	88.9	88.9	69.85
API 2 3/8" REG	API 3 1/2" REG	96	35	50.8	24	114.3	114.3	98.4
API 3 1/2" REG	API 3 1/2" REG	177.8	63.5	50.8	44.45	114.3	114.3	98.4
API 3 1/2" REG	API 4 1/2" REG	92	12.7	69.85	38.1	114.3	139.7	120.65
API 4 1/2" REG	API 4 1/2" REG	203.2	76.2	50.8	58.7	146	146	120.65

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High Efficiency Dth Drill Pipe Joint Connection Pin Box Sub Adaptor

High Efficiency Dth Drill Pipe Joint Connection Pin Box Sub Adaptor

High Efficiency Dth Drill Pipe Joint Connection Pin Box Sub Adaptor

down the hole drill pipe

dth drill rods

High Efficiency Dth Drill Pipe Joint Connection Pin Box Sub Adaptor

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