Beijing Jincheng Mining Technology Co., Ltd.
Beijing Jincheng Mining Technology Co., Ltd. Survival by quality, Development by credit!
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Black Drilling Tools Pipe Bits Connection Sub Adapters For Wild Range Well
Application
Sub & adapters are used to connect two different types or sizes of threads.
JCDRILL manufactures a large range of Blasthole Subs including Top Subs, Bit Subs, Cross Over Subs. All our Subs utilize either 4140 Heat-treated Q&T or 4145 Q&T Heat-treated, both Premium Alloy Steels. We precision-machine, utilizing our expert machinists and the latest CNC Lathes and Mills.
Our Bit subs can be Tungsten Carbide Hard Banded to customer specifications. Each Sub undergoes close quality control to insure it is a perfect fit. JCDRILL is customer-oriented and can provide you short lead times for multi – sub orders.
Specification
| Female A | Male B | Diameter A | Diameter B | Length |
| 2 3/8API Reg | 2 3/8API Reg | 77 | 77 | 140 |
| 2 3/8API Reg | 2 3/8API Reg | 90 | 90 | 140 |
| 2 3/8API Reg | 2 3/8API Reg | 102 | 102 | 130 |
| 2 3/8API Reg | 2 3/8API Reg | 90 | 90 | 144 |
| 2 3/8API Reg | 2 3/8API IF | 95 | 95 | 130 |
| 2 3/8API Reg | 2 7/8API Reg | 90 | 102 | 120 |
| 2 3/8API IF | 3 1/2API Reg | 90 | 90 | 164 |
| 2 7/8API Reg | 2 3/8API Reg | 90 | 90 | 154 |
| 2 7/8API Reg | 2 3/8API Reg | 90 | 115 | 120 |
| 3 1/2API Reg | 3 1/2API Reg | 115 | 115 | 219 |
| 3 1/2API Reg | 2 3/8API IF | 115 | 115 | 160 |
| 3 1/2API Reg | 2 7/8API Reg | 115 | 115 | 160 |
| 3 1/2API Reg | 2 7/8API IF | 115 | 115 | 160 |
| 3 1/2API Reg | 3 1/2API Reg | 115 | 115 | 160 |
| 3 1/2API Reg | 4 1/2API Reg | 146 | 146 | 132 |
| 4 1/2API Reg | 3 1/2API Reg | 146 | 115 | 235 |
| F48×10 | F42×10 | 59 | 59 | 203 |
| F48×10 | F48×10 | 59 | 59 | 203 |
| F48×10 | 2"API Reg | 59 | 59 | 203 |
Female - Female
| Female A | Male B | Diameter A | Diameter B | Length |
| 2 3/8API Reg | 2 3/8API Reg | 77 | 77 | 200 |
| 2 3/8API Reg | 2 3/8API Reg | 90 | 90 | 200 |
| 2 3/8API Reg | 2 7/8API Reg | 90 | 90 | 225 |
| 2 3/8API Reg | 3 1/2API Reg | 115 | 115 | 210 |
Male - Male
| Female A | Male B | Diameter A | Diameter B | Length |
| 2 3/8API Reg | 2 3/8API Reg | 90 | 90 | 70 |
| 2 3/8API Reg | 3 1/2API Reg | 90 | 115 | 97 |
| 3 1/2API Reg | 3 1/2API Reg | 115 | 115 | 90 |
Packing& Delivery
FAQ
1. Shipping time for an order
We have many stock. As usual, we can delivery the goods as soon as we get the full payment.
2. Quality Control
Strict inspection and testing for every order before shipping out .
3. How can we trust your company?
We support Alibaba trade insurance. Protect products quality, shipment on time and your covered amount.
4. After Sales Service
Free replacement will provide once the failure confirmed caused by our product quality.