Coarse Tong Die 1/2″ x 1-1/4″ x 5-7/8″ | BJ Type B & DB Compatible
The 1/2″ x 1-1/4″ x 5-7/8″ Coarse Tong Die is an extra-long, aggressive gripping insert designed for high-torque drilling and well-servicing operations. Engineered for BJ Type B and DB manual tongs, this die features deep-etched coarse teeth that bite through surface contaminants like heavy mud and scale, ensuring a fail-safe grip during critical make-up and break-out sequences.
Description
Comprehensive Technical Data
Aggressive Grip Engineering
In the demanding world of drilling, a “skating” die can lead to catastrophic slippage. Our Coarse series is built to prevent this:
Self-Cleaning Tooth Design: The wide, deep valleys between the teeth allow drilling fluids and debris to shed instantly, maintaining direct steel-to-steel contact.
Maximum Surface Engagement: The 5-7/8″ length provides a massive contact area, distributing high torque loads across a wider section of the tubular to prevent “teeth bite” damage or pipe deformation.
Dual-Property Metallurgy: Forged from premium alloy steel and case-hardened to 58-62 HRC. This creates a razor-sharp biting edge supported by a shock-resistant core that survives the impact of hydraulic power tongs.
Technical Specifications Table
| Property | Specification |
| Dimensions (T x W x L) | 1/2″ x 1-1/4″ x 5-7/8″ |
| Tooth Style | Coarse (Aggressive Deep-Bite) |
| Weight per Die | 0.381 Kg (0.84 lbs) |
| Material Grade | Case-Hardened Forged Alloy Steel |
| Standard Compliance | API Spec 7K |
| Hardness (Surface) | 58-62 HRC |
Industry Cross-Reference Part Numbers
This die is a precision-engineered, high-performance alternative for the following industry part numbers:
16402-1 | 55552-C | ON-16402-1 | CDI-16402-1 | 6416187-C
Equipment Compatibility
Manual Tongs: BJ Type B and DB (standard 1-1/4″ slot).
Power Casing Tongs: Compatible with BJ, Lamb, and various high-torque hydraulic power tongs.
Specialized Rig Tools: Direct fit for Top Drive Torque Wrenches and Foley Manual Tongs.
Key Performance Advantages
Consistent Torque Transfer: Designed to seat perfectly in the tong head, eliminating “die roll” or vibration during rotation.
Extended Wear Life: The hardened coarse teeth resist rounding off, significantly outperforming standard dies in high-frequency operations.
Rig Floor Safety: Superior gripping power reduces the risk of accidental pipe slippage, protecting both your crew and your tubular assets.
Corrosion Protection: Every die is treated with a specialized coating to resist rust during storage on land rigs or offshore platforms.
Compatibility Disclaimer
Manufacturer names (BJ, Lamb, Foley, NOV) and reference part numbers are used strictly for identification and cross-reference purposes. Pan Industries is an independent manufacturer and is not affiliated with, endorsed by, or licensed by these original equipment manufacturers (OEMs).
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