Lift Sub &
Crossover Subs
Lift Sub & Crossover Subs
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Key Features
- Manufactured as per API 7-1 specifications
- Available in Box x Pin, Box x Box, Pin x Pin configurations
- High-strength heat-treated alloy steel construction
- Precision machining for perfect thread compatibility
- Phosphate-coated threads for anti-galling and corrosion resistance
Technical Specification
| Elevator Groove Diameter DP (mm) |
Shoulder Diameter DL (mm) |
Overall Length L1 (mm) |
Top Length L2 (mm) |
Elevator Length L3 (mm) |
Bottom Length L4 (mm) |
|---|---|---|---|---|---|
| ±0.8 | ±3.2 | 76 | ±3 | Reference | ±12 |
| 0 | -25 | ||||
| 60.3 | 85.7 | 915 | 102 | 457 | 356 |
| 73 | 104.8 | 915 | 102 | 457 | 356 |
| 88.9 | 120.6 | 915 | 102 | 457 | 356 |
| 101.6 | 152.4 | 915 | 102 | 457 | 356 |
| 114.3 | 158.8 | 915 | 102 | 457 | 356 |
| 127 | 165.1 | 915 | 102 | 457 | 356 |
| 159.7 | 177.8 | 915 | 102 | 457 | 356 |
| 168.3 | 203.2 | 915 | 102 | 457 | 356 |
| D (Valve OD) inch |
DFR (Slot Dia) inch |
LFV (Length) inch |
API REG Bit Sub Box Thread | Other Connections | |||
|---|---|---|---|---|---|---|---|
| Type | LR (inch) | LBP (inch) | Type | LR (inch) | |||
| Reference | +1/64 | Reference | ±1/16 | +1/32 | ±1/16 | ||
| 0 | |||||||
| 1 21/32 | 1 11/16 | 5 7/8 | 2 3/8 Reg | 9 1/8 | 1 5/16 | NC23 | 9 1/8 |
| 1 29/32 | 1 15/16 | 6 1/4 | 2 7/8 Reg | 10 | 1 1/2 | NC26 | 9 1/2 |
| 2 13/32 | 2 7/16 | 6 1/2 | 3 1/2 Reg | 10 1/2 | 1 29/32 | NC31 | 10 1/4 |
| 2 13/16 | 2 27/32 | 10 | - | - | - | 3 1/2 FH | 14 |
| 3 1/8 | 3 5/32 | 10 | - | - | - | NC38 | 14 1/4 |
| 3 15/32 | 3 1/2 | 8 5/16 | 4 1/2 Reg | 12 13/16 | 2 15/16 | NC44 | 13 1/16 |
| 3 21/32 | 3 11/16 | 12 | - | - | - | NC46 | 16 3/4 |
| 3 7/8 | 3 29/32 | 9 3/4 | 5 1/2 Reg | 14 3/4 | 3 3/8 | NC50 | 14 1/2 |
| 4 25/32 | 4 13/16 | 11 3/4 | 6 5/8 Reg | 17 | 4 9/32 | 5 1/2IF | 17 |
| 4 25/32 | 4 13/16 | 11 3/4 | 7 5/8 Reg | 17 1/4 | 4 9/32 | 5 1/2IF | 17 |
| 4 25/32 | 4 13/16 | 11 3/4 | 8 5/8 Reg | 17 3/8 | 4 9/32 | NC61 | 17 1/2 |
| 5 11/16 | 5 23/32 | 14 5/8 | 8 5/8 Reg | 20 1/4 | 5 3/16 | 6 5/8IF | 19 7/8 |
Frequently Asked Questions
Can you manufacture custom Lift Subs & Crossover Subs?
Yes, we specialize in custom lift subs & crossover subs exporting based on specific client requirements such as size, thread type (API or premium), length, and special coatings. We are a reliable crossover and subs supplier and exporter for tailored solutions.
Which industries use crossover and subs?
Our oilfield crossover subs are widely used in oil and gas drilling, exploration projects, and offshore and onshore drilling operations, where reliable connections are essential for performance.
Do you export Lift Subs & Crossover Subs?
Yes, DIC is a leading Lift Subs & Crossover Subs exporter in India, supplying to international markets such as the Middle East, USA, Europe, Africa, and Southeast Asia. We ensure smooth export processes with proper documentation and timely delivery.
How do you ensure product quality?
Dedicated Impex, follow strict quality control procedures, including raw material testing, heat treatment verification, thread gauging, and dimensional inspection. Each product undergoes thorough quality checks before dispatch.
Do you provide API-certified crossover and subs?
Are your crossover and subs suitable for high-pressure drilling operations?
Yes, our API crossover subs are designed to withstand high-pressure and high-temperature (HPHT) conditions, making them ideal for demanding oil and gas drilling operations.
Are your crossover and subs reusable?
Yes, DIC high-quality crossover subs are designed for multiple uses, provided they are properly maintained and inspected after each operation.
What is your packaging and shipping process?
We provide strong export packaging for Lift Subs & Crossover Subs, including wooden boxes, pallets, rust protection coatings, and thread protectors to ensure safe transportation. Our logistics team ensures secure and timely international shipping.
Top Lift Subs & Crossover Subs Suppliers?
As a trusted Lift Subs & Crossover Subs Supplier, we provide high-strength, precision-engineered subs with API-compliant threading, ensuring safe lifting operations, secure connections, and reliable performance in demanding oilfield environments.