Box to Box Pin Thread Drill Rod Connector Adapter

• Customization: Available
• Standard: BS
• Length: 120-325mm
• Model NO.: 2 3/8\", 2-7/8\", 3-1/2\", 4 1/2\" Reg
• Usage: Ore Mining
• Material: Carbon Steel
• Connect Type: Male to Female
• Diamete: 76mm (3") ~ 146mm (5-3/4")
• Mining Object: Coal Machinery
• Transport Package: Plywood Box
• Specification: 2 3/8", 2-7/8", 3-1/2", 4 1/2"Reg
• Trademark: none
• Origin: China
• HS Code: 72288000
• Production Capacity: 20000PCS Per Month
• Package Size: 67.00cm * 50.00cm * 25.00cm
• Package Gross Weight: 9.500kg

Product Description

Drilling conector

1) Drilling conector is also called drill adaptor

2) Drilling conector is used for connect drill bits with drill pipe, drill collar or drill rod so on.

3) We can degisn any sizes for the Drilling conector according to your requirements.

4) for your any inquiry, just feel free to contact us.

Raw materials are made of high quality alloy steel with 40Cr or 42CrMo.
1. After hardening and tempering technology of nitriding treatment increased, greatly improved the
Wear resistance of the outer circle and threaded parts, in order to improve the service life of the
Product.
2. Thread made with high processing precision by NC machining, the joint has good compatibility,
Can completely control the thread standoff junction, thus, ensure the sealing performance of
Drilling.

Box thread x Pin thread adapter
Thread	Diameter A	Diameter B	Length (L)	Wrench flat	Part No.	Weight approx kg
2 3/8  Reg x RD 50-6	77	77	145	65	310-2077-40-14,41	4
2 3/8 Reg x 2 3/8 Reg	77	77	140	65	310-2077-10-14,41	4
2 3/8 Reg x 2 3/8 Reg	90	90	140	65	310-2090-10-14,41	6
2 3/8 Reg x 2 3/8 Reg	102	102	130	76	310-2102-10-13,41	7.8
2 3/8 Reg x 2 7/8 Reg	95	95	130	65	310-2095-12-13,41	8
2 3/8 Reg x 3 1/2 Reg	115	115	120	95	310-2115-14-12,41	8.5
2 7/8 Reg x 2 3/8 Reg	90	90	154	65	312-2090-10-15,41	6.5
3 1/2 Reg x 2 3/8 Reg	115	115	219	95	314-2115-10-22,41	12.5
3 1/2 Reg x 2 3/8 Reg	115	90	300	95	314-2115-10-30,41	16.2
3 1/2 Reg x 2 7/8 Reg	115	115	160	95	314-2115-12-16,41	7.5
3 1/2  Reg x 2 7/8 IF	115	115	160	95	314-2115-13-16,41	8
3 1/2 Reg x 3 1/2 Reg	115	115	160	95	314-2115-14-16,41	8
3 1/2 Reg x 4 1/2 Reg	146	146	132	120	314-2146-17-13,42	16.5
3 1/2 Reg x NC 35	115	115	160	95	314-2115-19-16,41	10
4 1/2 Req x 3 1/2 Req	146	115	235	95	317-2146-14-23,42	19
For BOC tubes
2 3/i Reg x 2 3/i Reg	77	77	305		310-2076-10-30-44,41	8.9
2 3/8 Reg x 2 3/8 Reg	90	90	305		310-2090-10-30-44,41	13
2 3/8 Reg x 2 7/8 Reg	102	102	140		310-2102-12-14,41	8
2 7/8 Reg x 2 3/8 Reg	102	102	305		312-2102-10-30-44,41	16
3 1/2 Reg x 3 1/2 Reg	115	115	305		312-2114-14-30-44-41	21
3 1/2 Reg x 2 7/8 Reg	115	115	305		314-2115-12-30-44,41	21