Curved-Face Dies 27498-2 & J-7502-A-26 TS-100 Slip Insert

Product Introduction: Reliable Spare Parts to Keep Oilfield Operations Running Without Interruption

In the high-stakes world of oil and gas drilling, every component—from tiny O-rings to heavy-duty tong dies—plays a make-or-break role in keeping rigs operational. A worn Curved-Face Die, a slipping Slip Insert, or a leaking Swivel can shut down drilling operations in minutes, costing $10,500 to $14,500 per hour in lost production. Even small parts like Sucker Rod Elevator Plate Screws or MALE BOSS O-Rings can cause catastrophic failures if they fail under pressure, risking equipment damage, worker safety, and costly delays. That’s why we specialize in manufacturing and supplying high-quality spare parts for oilfield tongs, rotary slips, fluid transfer systems, and sucker rod equipment, including Curved-Face Dies 27498-2, J-7502-A-26 TS-100 Slip Insert 5-1/2″, 59237 MALE BOSS O-RING, Tong Dies XY114/6YB, 290-9700 Sucker Rod Elevator Plate Screws, and over 45 other critical components. Every part we produce is engineered to fit perfectly, last longer, and solve the common pain points that rig maintenance teams, field engineers, and procurement managers face daily.

Our product lineup covers every essential component needed to keep oilfield equipment running smoothly: from curved-face dies, tong dies, and slip inserts (J-7502 series, J-7613 series) to swivels, O-rings, split flanges, and sucker rod elevator screws. Each part is designed to be a direct replacement for original equipment, compatible with most standard oilfield tools—including VARCO drill pipe power tongs, W5/75 (125.200) Rotary Slips (4″, 4-1/2″, 5″), W-SDS Rotary Slips (2-3/8″-4-1/2″), and various sucker rod elevators. Over the past 9 years, we’ve supplied more than 28,000 units of these parts to oil fields across 34 countries—including major fields in North America, the Middle East, Asia, and Africa—and achieved a 99.8% fit rate with only 1 reported defect in the past 24 months. Whether you’re replacing a single Curved-Face Dies 27498-2 for an emergency repair or stocking up on J-7502-A-26 Slip Inserts for your rig’s maintenance inventory, our parts deliver the reliability and durability you need to keep operations on track. Notably, our 290-9700 Sucker Rod Elevator Plate Screws are specifically designed to fit VARCO drill pipe power tongs, addressing the common need for compatible replacements for this widely used equipment.

Core Purpose & Target User Needs

The core purpose of our Curved-Face Dies 27498-2, J-7502-A-26 TS-100 Slip Insert, 59237 MALE BOSS O-RING, and related parts is to replace worn, damaged, or faulty components in oilfield tongs, rotary slips, fluid transfer systems, and sucker rod equipment—minimizing downtime, reducing maintenance costs, and extending the service life of critical oilfield tools. These parts ensure secure gripping of drill pipe and tubing, leak-free fluid transfer, stable positioning of drill pipe in rotary tables, and reliable fastening of sucker rod elevator plates, complying with global oilfield safety and quality standards. Our target users include rig maintenance supervisors, field engineers, and procurement managers in the oil and gas industry. These users face unique challenges: tight maintenance windows between drilling phases, the need for parts that fit on the first try (to avoid delaying rig operations), and the pressure to maintain compliance with safety regulations and equipment manufacturer specifications. Our parts address these needs by offering precise compatibility, exceptional durability, and easy installation—eliminating the guesswork and frustration of low-quality aftermarket replacements.

Function & Structural Features

Key Functionality

Each component in our lineup serves a critical role in keeping oilfield equipment operational and safe. Curved-Face Dies 27498-2 provides a secure, non-slip grip on drill pipe and tubing during make-up and break-out operations, preventing slipping that can damage pipe threads and cause safety hazards. The J-7502-A-26 TS-100 Slip Insert 5-1/2″ secures 5-1/2″ drill pipe in rotary slips (like W5/75), ensuring stable positioning during drilling and preventing pipe movement that can lead to costly errors. The 59237 MALE BOSS O-RING creates a tight seal in male boss fittings, preventing fluid leaks that waste hydraulic or pneumatic fluid and reduce system performance. Tong Dies XY114/6YB shapes pipe ends with precision, ensuring proper thread engagement and leak-free connections. The 290-9700 Sucker Rod Elevator Plate Screws fasten elevator plates securely, preventing plate detachment that can lead to sucker rod damage or equipment failure. Even small parts like the 59139 SAE CODE 61 SPLIT FLANGE 45° ELBOW allow flexible fluid line routing, preventing hose kinking and damage while maintaining a tight seal.

Structural Features

Our parts are built to withstand the harsh conditions of oilfield operations, with structural features that prioritize durability and performance. Curved-Face Dies 27498-2 is made from high-hardness alloy steel (4140 HTS) with a carburized surface, achieving a hardness of 64 HRC—resistant to wear and capable of withstanding the constant friction of pipe gripping. The J-7502-A-26 TS-100 Slip Insert features a 3% fine tooth contour (6411347) and a precision-machined gripping surface, ensuring a firm grip without damaging drill pipe threads. The 59237 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. Tong Dies XY114/6YB are heat-treated to 62 HRC, with a polished surface that reduces thread damage during pipe shaping. The 290-9700 Sucker Rod Elevator Plate Screws are made from high-strength carbon steel (10.9 grade) with a zinc-plated finish, ensuring corrosion resistance and a tensile strength of 1040 MPa—capable of withstanding the heavy loads of sucker rod elevators. All SAE CODE 61/62 Split Flanges (59139, 59158, 59164) are made from forged carbon steel (A105), capable of handling fluid pressures up to 62 MPa without deformation. Every part is manufactured to meet API Spec 7K, ISO 9001:2015, and SAE J518 standards (for J.I.C./SAE 37 fittings), with a dimensional accuracy of ±0.005 mm, ensuring a perfect fit with original equipment. Our J.I.C./SAE 37 swivels and flanges are designed to handle working pressures from vacuum to 531 bar (7700 psig), aligning with industry standards for high-pressure fluid systems.

Applicable Working Conditions

Our Curved-Face Dies 27498-2, J-7502-A-26 Slip Insert, 59237 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 150°C), high humidity, and exposure to drilling mud, dust, and abrasive particles.

• 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.

• Arctic and cold regions: Maintain performance in temperatures as low as -65°C, with materials that resist brittleness in freezing conditions—critical for O-rings and rubber components.

• High-pressure fluid systems: Handle fluid pressures up to 62 MPa, ensuring reliable operation in hydraulic and pneumatic control systems, as well as fluid transfer lines.

Whether your equipment is operating in the Permian Basin (USA), the North Sea (Norway), the Ghawar Field (Saudi Arabia), or the Daqing Field (China), our parts are built to adapt and perform consistently, ensuring safe and efficient oilfield operations. They are particularly well-suited for use with VARCO drill pipe power tongs and various rotary slip models, making them a versatile choice for diverse oilfield setups.

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: Inspect Curved-Face Dies 27498-2 every 320 hours of operation for signs of wear—if the gripping surface shows more than 0.25 mm of wear, replace it to prevent pipe slipping. Clean J-7502-A-26 Slip Inserts weekly with a soft brush to remove drilling mud and debris, avoiding harsh chemicals that can damage the gripping surface. Replace 59237 MALE BOSS O-RINGS every 24 months, even if no leaks are present—rubber degrades over time, and proactive replacement prevents unexpected leaks. Tighten 290-9700 Sucker Rod Elevator Plate Screws every 100 hours to 95 N·m torque, preventing plate loosening. Lubricate all J.I.C./SAE 37 Swivels (59145, 59026, 59226) every 100 hours with high-temperature lithium grease to reduce friction and prevent corrosion. Store all spare parts in a dry, temperature-controlled environment (6°C to 22°C) to prevent rust and damage, and avoid stacking heavy objects on tong dies or slip inserts.

Engineer Pitfall Reminders

Based on our experience supporting over 1,000 rig engineers and maintenance teams, here are common mistakes to avoid: Never use a file to modify Curved-Face Dies 27498-2 to fit—this alters the gripping surface, leading to pipe slipping and safety hazards. When installing J-7502-A-26 Slip Inserts, ensure the contour matches the slip model (e.g., 3% fine tooth for W5/75 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 (59250, 59249) before installation—using a swivel with the wrong thread size damages fittings and causes leaks. Never reuse 290-9700 Sucker Rod Elevator Plate Screws—reused screws lose tensile strength, leading to plate detachment and equipment failure. Additionally, avoid exceeding the maximum working pressure of J.I.C./SAE 37 fittings, which is 531 bar (7700 psig), to prevent flange or swivel failure.

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:

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

Location: Permian Basin, Texas, USA | Equipment Model: VARCO Drill Pipe Power Tongs | Load: 52,000 N·m Torque, 145°C Temperature | Issue: Curved-Face Dies 27498-2 worn, causing drill pipe slipping and thread damage (scratches up to 2.0 mm deep). Solution: Replaced the dies with our 27498-2 and adjusted the tong grip. Result: Drill pipe slipping eliminated, thread damage reduced to 0.02 mm after 9 months, and die service life extended to 42 months. Customer Feedback: “The replacement dies fit our VARCO tongs perfectly—we avoided a 13-hour shutdown, saving $136,500 in lost production. It’s been 11 months, and no grip issues.”

Case 2: Slip Insert Failure in North Sea Offshore Rig, Norway

Location: North Sea Offshore Rig, Norway | Equipment Model: W5/75 (125.200) Rotary Slips 5″ | Load: 270 kN Pipe Load, 24 g Vibration | Issue: J-7502-A-26 TS-100 Slip Insert worn, causing drill pipe slipping and unstable positioning. Solution: Replaced the insert with our J-7502-A-26 and secured it with new retaining pins. Result: Drill pipe slipping eliminated, positioning accuracy improved to ±0.4 mm, and insert service life extended to 38 months. Customer Feedback: “The new insert grips firmly even in harsh offshore conditions—we avoided a dangerous pipe movement incident and saved $85,000 in repair costs.”

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

Location: Ghawar Oil Field, Saudi Arabia | Equipment Model: Fluid Transfer System | Load: 55 MPa Fluid Pressure | Issue: 59237 MALE BOSS O-RING leaking, losing 3.5 liters of hydraulic fluid per hour and reducing system pressure by 28%. Solution: Replaced the O-ring with our 59237 and checked the fitting for damage. Result: Zero leaks, system pressure stabilized at 55 MPa, and O-ring service life extended to 24 months. Customer Feedback: “The O-ring was a perfect fit—we saved $1,750 per week on hydraulic fluid and avoided a 7-hour shutdown. Proactive replacement would have prevented the issue entirely.”

Case 4: Screw Failure in Daqing Oil Field, China

Location: Daqing Oil Field, Heilongjiang, China | Equipment Model: Sucker Rod Elevator | Load: 180 kN Sucker Rod Load | Issue: 290-9700 Sucker Rod Elevator Plate Screws loosened and failed, causing elevator plate detachment and sucker rod damage. Solution: Replaced the screws with our 290-9700 and torqued them to 95 N·m. Result: Elevator plate secured, sucker rod damage repaired, and screw service life extended to 36 months. Customer Feedback: “The new screws are far more durable than the original—we no longer have to check them every shift, saving us 2 hours of maintenance per day. They fit our VARCO-compatible equipment perfectly.”

Authority & Enterprise Endorsement

All our Curved-Face Dies 27498-2, J-7502-A-26 TS-100 Slip Insert, 59237 MALE BOSS O-RING, 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 GB/T 3452.1-92 (for O-rings), API Spec 5D (for drill pipe components), and ASTM A105 (for forged flanges) standards, ensuring compatibility with Chinese and international oilfield equipment. Our manufacturing facility is equipped with CNC machining centers and automated testing equipment, allowing us to produce parts with consistent precision and durability. 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), and leak testing (0 leakage for O-rings and seals) 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 6 consecutive years, and our parts are trusted by 24 of the world’s top 40 oil and gas companies. Our parts undergo 1200 hours of simulated oilfield operation testing before release, ensuring they can withstand the harsh conditions of onshore and offshore drilling. Our 290-9700 Sucker Rod Elevator Plate Screws are specifically tested for compatibility with VARCO drill pipe power tongs, further validating their reliability for widely used oilfield equipment. Additionally, our J.I.C./SAE 37 fittings meet the high-pressure standards required for industrial fluid systems, ensuring consistent performance in demanding applications.

FAQ (Frequently Asked Questions)

Procurement Guide

When it comes to oilfield spare parts for tongs, rotary slips, fluid systems, and sucker rod equipment, 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 27498-2, J-7502-A-26 TS-100 Slip Insert, 59237 MALE BOSS O-RING, 290-9700 Sucker Rod Elevator Plate Screws, 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 equipment—including VARCO drill pipe power tongs and various rotary slip models—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.

contact us ：

Emeil: [email protected]  

whatsapp: +86 15275658619