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Drill sub Precision Underground Mining Tricone Drill Bit 140mm - 225mm Length

Categories	Tricone Drill Bit
Brand Name:	MIROC
Model Number:	DTH Sub
Certification:	API
Place of Origin:	China
MOQ:	1 Pieces DTH Sub
Price:	negotiation
Payment Terms:	T/T, L/C, D/A, D/P, Western Union, MoneyGram
Supply Ability:	20000pcs per month
Delivery Time:	10- 25 days
Packaging Details:	Bundle and Wooden Box
Type:	DTH Sub/ DTH Adapter
Length:	140mm - 225mm
Diameter:	9.1 / 2-inch or 3-inch
Thread:	2 3/8'' API Reg, 2 7/8'' API Reg, 3 1/2‘’ API Reg

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KSQ Technologies (Beijing) Co. Ltd

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Drill sub Precision Underground Mining Tricone Drill Bit 140mm - 225mm Length

Underground Mining Drill Sub for 9.1 / 2-inch tricone drills or for 3-inch drill bits

Crossover sub is mainly used to connect upper and lower drill tools in different connectors in drilling operations. Also it can be used to protect other tooling in drill stem (called saver sub) or be used to deliver outgoing air to the bit face just above the bit (called bit sub).

The length of crossover subs is generally measured from shoulder to shoulder. Typical lengths range from 6" - 28" long going up in increments of 2 inches with AISI 4145H, AISI 4145H Mod, AISI 4340, AISI 4140-4142 and Non-magnetic material. All connections are phosphate-coated or copper plated to improve resistance to corrosion. Crossover subs come in three basic types: A Pin (male) * Box (female); B Pin (male) * Pin (male); C Box (female) * Box (female)

Crossover sub
Description	Upper Connection pat	Lower Connection Part	Type
Kelly cross-over sub	Kelly	Drill pipe	A or B
Drill pipe cross-over sub	Drill pipe	Drill pipe	A or B
Interim cross-over sub	Drill pipe	Drill collar	A or B
Drill collar cross-over sub	Drill collar	Drill collar	A or B
Drill bit cross-over sub	Drill collar	Drill bit	A or B
Swivel cross-over sub	Swivel lower sub	Kelly	C
Fishing cross-over sub	Kelly	Drill pipe	C
Fishing cross-over sub	Drill pipe	Fishing tools	C
Crossover sub can be customized as per customer's design.

Specification:

DTH Subs Specification
Female- Male
Female A	Male B	Diameter A	Diameter B	Length	Wrench flat	Weight	Part Number
Female A	Male B	mm	mm	mm	mm	kg	Part Number
2 3/8"API Reg	2 3/8"API Reg	77	77	140	65	4.0	4148301570
2 3/8"API Reg	2 3/8"API Reg	90	90	140	65	5.5	4148301571
2 3/8"API Reg	2 3/8"API Reg	102	102	130	76	7.8	4148301572
2 3/8"API Reg	2 3/8"API Reg	90	90	144	65	5.5	4148301573
2 3/8"API Reg	2 3/8"API IF	95	95	130	65	8.0	4148301574
2 3/8"API Reg	2 7/8"API Reg	90	102	120	95	10.5	4148301575
2 3/8"API IF	3 1/2"API Reg	90	90	164	65	6.8	4148301576
2 7/8"API Reg	2 3/8"API Reg	90	90	154	65	6.5	4148301577
2 7/8"API Reg	2 3/8"API Reg	90	115	120	95	11.0	4148301578
3 1/2"API Reg	3 1/2"API Reg	115	115	219	95	12.5	4148301579
3 1/2"API Reg	2 3/8"API IF	115	115	160	95	10.5	4148301580
3 1/2"API Reg	2 7/8"API Reg	115	115	160	95	10.8	4148301581
3 1/2"API Reg	2 7/8"API IF	115	115	160	95	10.8	4148301582
3 1/2"API Reg	3 1/2"API Reg	115	115	160	95	10.5	4148301583
3 1/2"API Reg	4 1/2"API Reg	146	146	132	120	16.5	4148301584
4 1/2"API Reg	3 1/2"API Reg	146	115	235	95	19.0	4148301585
F48×10	F42×10	59	59	203	40	-	4148301586
F48×10	F48×10	59	59	203	40	-	4148301587
F48×10	2"API Reg	59	59	203	40	-	4148301588
Female - Female
Female A	Male B	Diameter A	Diameter B	Length	Wrench flat	Weight	Part Number
Female A	Male B	mm	mm	mm	mm	kg	Part Number
2 3/8"API Reg	2 3/8"API Reg	77	77	200	65	4.5	4148301589
2 3/8"API Reg	2 3/8"API Reg	90	90	200	65	6.0	4148301590
2 3/8"API Reg	2 7/8"API Reg	90	90	225	65	6.2	4148301591
2 3/8"API Reg	3 1/2"API Reg	115	115	210	95	10.0	4148301592
Male - Male
Female A	Male B	Diameter A	Diameter B	Length	Wrench flat	Weight	Part Number
Female A	Male B	mm	mm	mm	mm	kg	Part Number
2 3/8"API Reg	2 3/8"API Reg	90	90	70	65	4.6	4148301593
2 3/8"API Reg	3 1/2"API Reg	90	115	97	95	9.0	4148301594
3 1/2"API Reg	3 1/2"API Reg	115	115	90	95	10.0	4148301595

Applications

• Underground mining
• Quarry benching operations
• Water well drilling

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Company Information

KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capital expansion, as well as to firms who require support with consumable products, maintenance, and repair operations.

2018 Bauma Exhibition in Shanghai

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Drill sub Precision Underground Mining Tricone Drill Bit 140mm - 225mm Length

Drill sub Precision Underground Mining Tricone Drill Bit 140mm - 225mm Length

Drill sub Precision Underground Mining Tricone Drill Bit 140mm - 225mm Length

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Drill sub Precision Underground Mining Tricone Drill Bit 140mm - 225mm Length