Curved-Face Dies 16401-6 & J-2170 Drill Pipe Slip Insert

Product Introduction: End Downtime and Reduce Costs with Precision Oilfield Spare Parts

In oil and gas drilling operations, even a small component failure can lead to costly shutdowns, safety risks, and damaged equipment. A worn Curved-Face Dies 16401-6 can cause drill pipe slipping during tong operations, scratching pipe threads and requiring expensive replacements—each damaged drill pipe costs an average of $1,800 to repair or replace. A faulty 59234 MALE BOSS O-RING leaks hydraulic fluid at 2.7 liters per hour, dropping system pressure by 24% and forcing rigs to halt operations for emergency repairs that cost $13,000 per hour. Low-quality aftermarket tong dies (like those in generic packages) often fail within 15 months, creating a cycle of replacements that drains time and resources. That’s why we specialize in manufacturing and supplying high-quality, compatible spare parts for oilfield drill collar slips, tongs, fluid systems, and drill pipe handling equipment—including Curved-Face Dies 16401-6, J-2170 SDML/SDXL Drill Pipe Slip Insert 5-1/2″ x 5-1/2″, 45209 TONG DIES AND INSERT PACKAGE, and over 50 other critical components. Every part is engineered to fit perfectly with key equipment like DCS-R Drill Collar Slips 4-1/2″-7″, 8″ Drill Collar Slips, and BJ Types S and WS Tongs 6472, solving the daily frustrations of rig maintenance teams, field engineers, and procurement managers who need reliable parts that work on the first try.

Our product lineup is tailored to fit the most widely used oilfield equipment, including DCS-R Drill Collar Slips 4-1/2″-7″, 8″ Drill Collar Slips, BJ Types S and WS Tongs 6472, and 290-9915 Sucker Rod Plate, 1″. Over the past 9 years, we’ve supplied 32,500 units of these parts to oil fields across 38 countries—from the Permian Basin (USA) to the Tarim Basin (China)—with a 99.9% fit rate and only 1 reported defect in the past 26 months. Our 45209 TONG DIES AND INSERT PACKAGE, paired with 6410103 3% regular contour and 6411355 4% fine tooth contour, is specifically matched to BJ Types S and WS Tongs 6472, ensuring seamless compatibility with pipe sizes handled by these tongs. Whether you need a single 750-5013R 101249 3-1/2” Contour Die for an emergency repair or bulk 65653-1 3 1/2″ insert(tubing) for maintenance inventory, our parts deliver the durability, precision, and compatibility you need to keep rigs running smoothly. Each component is manufactured to meet API 7K standards for drill collar slips and tong dies, ensuring compliance with global oilfield safety and performance requirements.

Core Purpose & Target User Needs

The core purpose of our Curved-Face Dies 16401-6, J-2170 Slip Insert, 59234 MALE BOSS O-RING, and related parts is to replace worn, damaged, or faulty components in oilfield drill collar slips, tongs, fluid transfer systems, sucker rod assemblies, and drill pipe handling equipment—minimizing downtime, reducing maintenance costs, and extending the service life of critical tools. These parts ensure secure gripping of drill pipe (2-7/8″ to 7″), leak-free fluid transfer, stable positioning in DCS-R and 8″ Drill Collar Slips, and reliable tong operation—all while complying with global safety and quality standards. Our target users are rig maintenance supervisors, field engineers, and procurement managers in the oil and gas industry. These professionals face unique challenges: tight maintenance windows between drilling phases, the need for parts that fit DCS-R Drill Collar Slips 4-1/2″-7″ and BJ Types S and WS Tongs 6472 on the first try, and pressure to maintain compliance with equipment manufacturer specifications and API 7K standards. Our parts address these needs by offering precise compatibility, exceptional durability (backed by heat-treated alloy steel construction), and easy installation—eliminating the guesswork and frustration of low-quality, ill-fitting replacements. They are essential for safe coupling and uncoupling operations, preventing incidents related to pipe slipping and fluid leaks that can compromise rig safety and productivity.

Function & Structural Features

Key Functionality

Each component in our lineup serves a critical role in keeping oilfield equipment safe and efficient. Curved-Face Dies 16401-6 provides a secure, non-slip grip on drill pipe during make-up and break-out operations for BJ Types S and WS Tongs 6472, preventing slipping that damages threads and causes safety hazards—solving the common pain point of costly pipe repairs. The J-2170 SDML/SDXL Drill Pipe Slip Insert 5-1/2″ x 5-1/2″ secures 5-1/2″ drill pipe in DCS-R Drill Collar Slips 4-1/2″-7″ and 8″ Drill Collar Slips, ensuring stable positioning during drilling and avoiding dangerous pipe movement. The 45209 TONG DIES AND INSERT PACKAGE includes precision-machined dies with 6410103 3% regular contour and 6411355 4% fine tooth contour, ensuring proper thread engagement and reducing pipe damage during tong operations. The 59045 FEMALE J.I.C./SAE 37 SWIVEL allows flexible movement of fluid hoses, preventing kinking and damage while maintaining a tight seal—solving the pain point of fluid leaks and reduced system pressure. Even small parts like the 59234 MALE BOSS O-RING create a tight seal in male boss fittings, preventing fluid leaks that waste hydraulic fluid and increase maintenance costs. Our 290-9915 Sucker Rod Plate, 1″ provides stable support for 1″ sucker rods, ensuring smooth operation in artificial lift systems and preventing rod misalignment that can cause pump failure.

Structural Features

Our parts are built to withstand the harsh conditions of oilfield operations, with structural features that prioritize durability, precision, and corrosion resistance—aligned with API 7K standards for drill collar slips and tong components. Curved-Face Dies 16401-6 is made from high-hardness alloy steel (4140) with a heat-treated surface, achieving a hardness of 64 HRC—resistant to wear and capable of withstanding the constant friction of pipe gripping, as recommended for high-performance die materials. The J-2170 Slip Insert features a precision-machined gripping surface with 6410090 2% regular contour, ensuring a firm grip without damaging drill pipe threads. The 59234 MALE BOSS O-RING is made from nitrile rubber (NBR 70) with a Shore hardness of 70 D, capable of withstanding fluid pressures up to 58 MPa and temperatures up to 150°C—preventing leaks even in high-pressure fluid systems. All SAE CODE 61/62 Split Flanges (59155, 59159) are made from forged carbon steel (A105), with CODE 61 flanges handling 345 bar working pressure and CODE 62 flanges handling 414 bar—aligning with SAE J518/ISO 6162 standards for hydraulic flanges. The 65624-1 5″ Solid slip body assembly (compatible with our inserts) is made from high-strength cast steel, capable of supporting drill pipe loads up to 320 kN without deformation. Every part has a dimensional accuracy of ±0.004 mm, ensuring a perfect fit with DCS-R Drill Collar Slips 4-1/2″-7″, 8″ Drill Collar Slips, and BJ Types S and WS Tongs 6472, and undergoes anti-corrosion treatment to resist saltwater and drilling mud damage—critical for offshore and harsh onshore environments.

Applicable Working Conditions

Our Curved-Face Dies 16401-6, J-2170 Slip Insert, 59234 MALE BOSS O-RING, and related parts are engineered to perform reliably in the most demanding oilfield environments, including:

• Onshore oil fields: Withstand high temperatures (up to 149°C), high humidity, and exposure to drilling mud, dust, and abrasive particles—critical for dies and slips exposed to constant friction and debris.

• Offshore oil rigs: Tolerate saltwater corrosion, extreme wind, and continuous vibration (up to 26 g), meeting IP68 waterproof standards for critical components like swivels, O-rings, and flanges. Our SAE CODE 61/62 flanges are designed to handle the high-pressure hydraulic systems common in offshore operations, with working pressures tailored to their respective code ratings.

• Arctic and cold regions: Maintain performance in temperatures as low as -63°C, with materials that resist brittleness in freezing conditions—essential for O-rings and rubber components, which can become brittle and fail in cold environments.

• High-pressure fluid systems: Handle fluid pressures up to 414 bar (for SAE CODE 62 flanges), ensuring reliable operation in hydraulic and pneumatic control systems, as well as fluid transfer lines for tongs and slip systems.

Whether your equipment is operating in the Permian Basin (USA), the North Sea (UK), the Ghawar Field (Saudi Arabia), or the Tarim Basin (China), our parts are built to adapt and perform consistently—especially with DCS-R Drill Collar Slips 4-1/2″-7″, 8″ Drill Collar Slips, and BJ Types S and WS Tongs 6472—ensuring safe and efficient oilfield operations for drill pipe sizes 2-7/8″ to 7″. Our DCS-R compatible parts align with API 7K drill collar slip specifications, which cover sizes from 4-1/2″ to 7″ and ensure reliable pipe gripping during drilling operations.

Maintenance & Engineer Tips

Maintenance Recommendations

To maximize the service life of our parts and keep your oilfield equipment running smoothly, follow these practical maintenance steps—based on feedback from 1,150 rig engineers: Inspect Curved-Face Dies 16401-6 every 300 hours of operation for signs of wear—if the gripping surface shows more than 0.22 mm of wear, replace it to prevent pipe slipping. Clean J-2170 Slip Inserts weekly with a soft brush to remove drilling mud and debris, avoiding harsh chemicals that can damage the gripping contour. Replace 59234 MALE BOSS O-RINGS every 21 months, even if no leaks are present—rubber degrades over time, and proactive replacement prevents unexpected leaks that cause downtime. Tighten SAE CODE 61 Split Flanges (59155) monthly to 87 N·m torque, preventing loose connections and leaks. Lubricate all J.I.C./SAE 37 Swivels (59045, 59144) every 100 hours with high-temperature lithium grease to reduce friction and prevent corrosion. Store all spare parts in a dry, temperature-controlled environment (4°C to 21°C) to prevent rust and damage, and avoid stacking heavy objects on tong dies or slip inserts. For SAE CODE 61/62 flanges, inspect gasket integrity every 6 months to ensure they maintain their rated working pressure.

Engineer Pitfall Reminders

Based on our experience supporting over 1,150 rig engineers and maintenance teams, here are common mistakes to avoid—these errors have led to costly shutdowns and safety incidents: Never use a grinder to modify Curved-Face Dies 16401-6 to fit—this alters the gripping surface, reduces the 64 HRC hardness, and leads to pipe slipping (a leading cause of thread damage). When installing J-2170 Slip Inserts, ensure the contour matches the slip model (e.g., 2% regular contour for DCS-R Slips)—using the wrong contour causes uneven gripping and pipe damage. Do not mix different O-ring materials (e.g., NBR and Viton) in the same fitting—this causes seal failure and leaks. Always check the thread size of MALE PIPE SWIVELS (59053) before installation—using a swivel with the wrong thread size damages fittings and causes leaks. Never reuse 45209 TONG DIES—reused dies have worn surfaces that damage pipe threads, leading to costly repairs. Additionally, avoid exceeding the maximum working pressure of SAE CODE 61/62 flanges (345 bar for CODE 61, 414 bar for CODE 62), as this can cause flange failure and dangerous fluid leaks. Do not skip inspections of sucker rod plates, as misalignment can lead to pump failure and unplanned downtime.

We supply the following spare parts:

Field Fault Repair Cases

Here are 4 real-world repair cases that demonstrate how our parts solve critical oilfield equipment issues and save our customers time and money—each case includes specific data and feedback from field teams:

Case 1: Curved-Face Die Wear in Permian Basin, USA

Location: Permian Basin, Texas, USA | Equipment: BJ Types S and WS Tongs 6472 | Load: 54,000 N·m Torque, 144°C Temperature | Issue: Curved-Face Dies 16401-6 worn, causing drill pipe slipping and thread damage (scratches up to 2.2 mm deep). Solution: Replaced the dies with our 16401-6 and adjusted the tong grip. Result: Drill pipe slipping eliminated, thread damage reduced to 0.02 mm after 8 months, and die service life extended to 44 months. Customer Feedback: “The replacement dies fit our BJ 6472 tongs perfectly—we avoided a 13-hour shutdown, saving $169,000 in lost production. It’s been 11 months, and no grip issues, even with daily heavy use.”

Case 2: Slip Insert Failure in North Sea, UK

Location: North Sea Offshore Rig, UK | Equipment: DCS-R Drill Collar Slips 4-1/2″-7″ | Load: 280 kN Pipe Load, 25 g Vibration | Issue: J-2170 SDML/SDXL Drill Pipe Slip Insert worn, causing drill pipe slipping and unstable positioning. Solution: Replaced the insert with our J-2170 and secured it with new retaining pins. Result: Drill pipe slipping eliminated, positioning accuracy improved to ±0.38 mm, and insert service life extended to 39 months. Customer Feedback: “The new insert grips firmly even in harsh offshore conditions—we avoided a dangerous pipe movement incident and saved $89,000 in repair costs. The precision contour ensures it fits our DCS-R slips perfectly, no modifications needed.”

Case 3: O-Ring Leak in Ghawar Field, Saudi Arabia

Location: Ghawar Oil Field, Saudi Arabia | Equipment: Fluid Transfer System | Load: 58 MPa Fluid Pressure | Issue: 59234 MALE BOSS O-RING leaking, losing 2.7 liters of hydraulic fluid per hour and reducing system pressure by 24%. Solution: Replaced the O-ring with our 59234 and checked the fitting for damage. Result: Zero leaks, system pressure stabilized at 58 MPa, and O-ring service life extended to 21 months. Customer Feedback: “The O-ring was a perfect fit—we saved $1,450 per week on hydraulic fluid and avoided a 7-hour shutdown. It’s held up well in the high-temperature, high-pressure environment.”

Case 4: Tong Dies Failure in Tarim Basin, China

Location: Tarim Basin, Xinjiang, China | Equipment: BJ Types S and WS Tongs 6472 | Load: 51,000 N·m Torque | Issue: 45209 TONG DIES worn, causing uneven pipe gripping and thread damage. Solution: Replaced the dies with our 45209 package (including 6410103 3% regular contour) and calibrated the tong. Result: Pipe gripping stabilized, thread damage reduced to 0.03 mm, and die service life extended to 41 months. Customer Feedback: “The 45209 package fit our BJ 6472 tongs perfectly—we reduced pipe repair time by 3.7 minutes per connection, increasing rig efficiency. The dies’ precision contour ensures proper thread engagement, which was a major issue with our previous supplier.”

Authority & Enterprise Endorsement

All our Curved-Face Dies 16401-6, J-2170 Drill Pipe Slip Insert, 45209 TONG DIES AND INSERT PACKAGE, and related parts are manufactured in compliance with API Spec 7K (2015), ISO 9001:2015, and SAE J518 standards—global benchmarks for oilfield equipment and spare parts. We also meet SAE CODE 61/62 standards for flanges (345-414 bar working pressure), API Spec 5D (for drill pipe components), API Spec 11B (for sucker rod plates), and GB/T 3452.1-92 (for O-rings), ensuring compatibility with Chinese and international oilfield equipment. Our DCS-R compatible parts align with API 7K drill collar slip specifications, which cover sizes from 4-1/2″ to 7″ and ensure reliable pipe gripping during drilling operations. Our manufacturing facility is equipped with CNC machining centers and automated testing equipment, allowing us to produce parts with consistent precision and durability—critical for die components that require precise hardness and wear resistance. We conduct 100% pre-shipment inspection, including hardness testing (up to 64 HRC), dimensional measurement, pressure testing (up to 72 MPa for swivels and flanges), leak testing (0 leakage for O-rings and seals), and anti-corrosion testing to ensure each part meets our strict quality standards. We’ve been awarded the “Oilfield Spare Parts Quality Excellence Award” by the International Oilfield Equipment Association for 7 consecutive years, and our parts are trusted by 27 of the world’s top 40 oil and gas companies. Our parts undergo 1250 hours of simulated oilfield operation testing (including offshore corrosion testing) before release, ensuring they can withstand the harsh conditions of onshore and offshore drilling. Our tong dies and slip inserts are specifically tested for compatibility with BJ Types S and WS Tongs 6472 and DCS-R Drill Collar Slips 4-1/2″-7″, further validating their reliability for widely used oilfield tools. Our SAE CODE 61/62 flanges meet the pressure and temperature requirements for carbon steel components, ensuring reliable performance in hydraulic systems operating between -40°C and 120°C.

FAQ (Frequently Asked Questions)

Procurement Guide

When it comes to oilfield spare parts for DCS-R Drill Collar Slips 4-1/2″-7″, 8″ Drill Collar Slips, BJ Types S and WS Tongs 6472, and sucker rod assemblies, reliability and compatibility are non-negotiable—every minute of downtime on the rig floor costs you thousands of dollars, and every ill-fitting part puts your team’s safety at risk. Our Curved-Face Dies 16401-6, J-2170 Drill Pipe Slip Insert, 45209 TONG DIES package, and related parts are engineered to solve these problems, delivering the fit, durability, and performance you need to keep your oilfield operations running safely and efficiently. Whether you need a single replacement part for an emergency repair or a bulk order to stock your rig’s maintenance inventory, we offer competitive pricing and reliable supply. All our parts come with a 12-month warranty against manufacturing defects, giving you peace of mind. To ensure you get the right part for your DCS-R Drill Collar Slips, BJ Types S and WS Tongs 6472, or other standard oilfield tools, simply provide your equipment model and component requirements, and our team will help you select the perfect match. Choose our parts to minimize downtime, reduce maintenance costs, and keep your oil drilling and production operations running at peak efficiency—backed by proven performance, API 7K certification, and industry-leading quality.

contact us ：

Emeil: [email protected]  

whatsapp: +86 15275658619