REDUCING DIE 5/8″ x 5/8″ x 4-1/2″ OEM Ref. 6440045 | CDI-4004 | Compatible with Manual Tongs, Hillman-Kelly & Weatherford Power Tongs
REDUCING DIE 5/8″ x 5/8″ x 4-1/2″ with OEM Reference No. 6440045 and CDI Reference No. CDI-4004. Designed for manual tongs and compatible with Hillman-Kelly Power Tongs (Ref. 8500-5580) and Weatherford Power Tongs with 5/8″ die slots. Manufactured from heat-treated alloy steel for reliable gripping performance and extended service life in oilfield drilling operations.
Description
The Reducing Die 5/8″ x 5/8″ x 4-1/2″ is a precision-manufactured oilfield gripping component designed for use in manual tongs and power tong systems. Commonly identified by OEM Reference Part Number 6440045, CDI Reference Number CDI-4004, and Hillman-Kelly Reference 8500-5580, this reducing die is widely used in drilling and tubular handling operations.
Designed to provide 1/2″ reduction, the die enables secure gripping of smaller tubular sizes while maintaining reliable torque transmission during make-up and break-out operations.
Manufactured from high-strength alloy steel and subjected to controlled heat treatment processes, the die delivers excellent wear resistance, dimensional accuracy, and extended operational life in demanding drilling environments.
This reducing die is compatible with manual tongs, Hillman-Kelly Power Tongs, and Weatherford Power Tongs equipped with 5/8″ die slots, making it a versatile replacement component for drilling contractors, rig operators, and oilfield service companies.
Pan Industries manufactures and exports high-quality tong dies, reducing dies, slip inserts, and oilfield handling tool spare parts for global oil and gas operations.
Key Features
- Size: 5/8″ x 5/8″ x 4-1/2″
- OEM Reference Number: 6440045
- CDI Reference Number: CDI-4004
- Hillman-Kelly Reference: 8500-5580
- Reduction Capacity: 1/2″
- Approximate Weight: 0.182 kg
- Suitable for manual tong applications
- Compatible with Hillman-Kelly Power Tongs
- Compatible with Weatherford Power Tongs (5/8″ die slot)
- High-strength alloy steel construction
- Precision-machined dimensions
- Heat treated for wear resistance
- Extended service life
- OEM-compatible replacement component
- Custom manufacturing available
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Reducing Die |
| Size | 5/8″ x 5/8″ x 4-1/2″ |
| OEM Reference Number | 6440045 |
| CDI Reference Number | CDI-4004 |
| Hillman-Kelly Reference | 8500-5580 |
| Reduction | 1/2″ |
| Approx. Weight | 0.182 kg |
| Compatible Equipment | Manual Tongs, Hillman-Kelly Power Tongs, Weatherford Power Tongs |
| Die Slot Compatibility | 5/8″ Slot |
| Material | High Strength Alloy Steel |
| Heat Treatment | Hardened & Tempered |
| Manufacturing Type | OEM Compatible Replacement |
| Surface Finish | Precision Machined |
| Industry | Oilfield Drilling |
| Customization | Available |
Pan Industries is a manufacturer and exporter of oilfield drilling tools, tong dies, reducing dies, slip inserts, and replacement handling tool components for international oil and gas operations.
The Reducing Die 5/8″ x 5/8″ x 4-1/2″ (OEM Ref. 6440045 / CDI-4004 / HK Ref. 8500-5580) is available for worldwide supply with support for bulk orders, distributor requirements, OEM manufacturing, and customized specifications.
Our manufacturing process includes precision machining, heat treatment, hardness testing, dimensional inspection, and quality control procedures to ensure reliable performance in demanding drilling environments. Export packaging and technical support are available for drilling contractors, oilfield service companies, distributors, and rig maintenance providers worldwide.
Disclaimer: All OEM names, trademarks, model numbers, and part numbers are used solely for identification and compatibility reference purposes only. Pan Industries is an independent manufacturer and supplier of aftermarket oilfield drilling equipment parts and is not affiliated with, authorized by, or endorsed by any OEM unless specifically stated.
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