
Introduction: Stop Costly Downtime with Precision-Matched XYQ1.8.Z & XYQ3C.Z Accessories
For oilfield maintenance technicians, drilling supervisors, and procurement specialists, even the smallest faulty accessory can derail your workover and drilling operations. A worn XYQ1.8.Z-2 Centralizing roller, leaky 3C2-53 GB/T3452.1-1992 O-ring, or loose 3C5-1 GB/T5782-2000 Hexagon bolt can bring XYQ1.8.Z and XYQ3C.Z power pliers to a halt—wasting hours of labor, increasing operational costs, and putting your team’s safety at risk. We specialize in supplying high-quality, perfectly compatible accessories designed exclusively for these critical power pliers models. Our comprehensive lineup covers every essential part you need, from XYQ1.8Z.1-6 Jaw plate and XYQ1.8ZJ4 spline gear to 3C1-49 XYQ3C.Z-28 Brake disc and GB1235-76 O-shaped sealing ring 28X3.1—all engineered to solve the most common oilfield pain points and keep your equipment running at peak performance.
Our core purpose is to simplify your procurement and maintenance processes, providing parts that fit the first time, last longer, and eliminate the frustration of mismatched or low-quality components. Every accessory we supply adheres to strict industry standards, including GB/T91-2000, GB/T3452.1-1992, GB/T5782-2000, GB/T6170-2000, GB859-87, and API 7K—the global gold standard for oilfield drilling equipment safety and performance. We also comply with SY/T 5074-2012, the national industry standard for drilling and workover power tongs and hangers, which specifies critical requirements for design, manufacturing, and inspection of power tong accessories. With 24 years of experience in manufacturing and supplying oilfield accessories, we’ve served 430+ oilfields worldwide, delivering 245,000+ reliable parts that have been proven to extend equipment service life by 2,300 working hours on average, compared to generic alternatives. We understand that in the oilfield, every minute of downtime costs money—our accessories are built to withstand the harshest conditions, reduce maintenance frequency, and keep your workover and drilling operations moving without interruption.
Product Overview: Precision-Matched Accessories for XYQ1.8.Z & XYQ3C.Z Power Pliers
Core Product Range & Model Compatibility
Our accessories are precision-crafted to fit the most widely used pipe & tubing power pliers in the oilfield industry—specifically the XYQ1.8.Z and XYQ3C.Z series, which are essential for workover and drilling operations involving sucker rods, tubing, and casing. We eliminate the risk of mismatches by strictly following original equipment design drawings and dimensional standards, ensuring every part installs seamlessly without modification—aligning with the fit and function requirements outlined in SY/T 5074-2012. Key compatible models include:
• Tubing Power Pliers: XYQ1.8.Z series (including XYQ1.8.Z-2, XYQ1.8.Z-31, XYQ1.8ZJ4 variants)
• Pipe Power Pliers: XYQ3C.Z series (including XYQ3C.Z-46, XYQ3C.Z-47, XYQ3C.Z-28 variants)
• Associated Components: All matching parts for XYQ1.8.Z and XYQ3C.Z, including jaws, gears, fasteners, seals, and guide components
Our product range covers every critical component, from small fasteners like 3C5-3 GB/T91-2000 split pin 5X50 and GB859-87 Light spring washer 8 to complex assemblies like XYQ1.8HD.0 rear guide rod assembly and 3C1-49 XYQ3C.Z-28 Brake disc. Whether you need a replacement XYQ1.8Z.1-6 Jaw plate, a new 3C2-53 GB/T3452.1-1992 O-ring 38.7X3.55, or a precision XYQ1.8ZJ4 spline gear, we offer a one-stop supply solution that simplifies procurement and reduces downtime—critical for meeting tight workover schedules.
Function & Pain Point Solutions
Every accessory we supply is designed to solve the real-world problems oilfield professionals face daily—problems we’ve witnessed firsthand through decades of working alongside drilling and maintenance teams. Here’s how our key products deliver tangible value, addressing common pain points and aligning with API 7K and SY/T 5074-2012 performance requirements:
• Guide & Alignment Parts (XYQ1.8.Z-2 Centralizing roller, 3C4-1 XYQ3C.HD-1 Rear guide bar): Prevent pipe misalignment and uneven wear on power pliers components. Our centralizing roller ensures smooth pipe movement, lasting 11,200 working hours, while the rear guide bar maintains stable alignment under 35MPa pressure—solving the common issue of pipe slippage that damages jaws and reduces operational efficiency. This avoids the costly delays caused by misaligned pipes during make-up/break-out tasks.
• Fasteners & Seals (3C5-1 GB/T5782-2000 Hexagon bolt M16X60, 3C2-53 GB/T3452.1-1992 O-ring 38.7X3.55): Avoid loose fasteners and hydraulic leaks that halt operations. Our GB/T5782-2000 hexagon bolt (M16X60) provides strong fastening, lasting 14,200 assembly cycles, while the GB/T3452.1-1992 O-ring resists oil and high temperatures for 2,300 working hours—complying with national standards and preventing the hydraulic leaks that often damage power pliers systems. The 3C2-5 GB/T6170-2000 Hexagon Nut M12, which meets the mechanical performance requirements of 8-grade strength (QT-quenched and tempered), ensures secure fastening even under high vibration.
• Transmission & Gear Parts (XYQ1.8ZJ4 spline gear, 3C1-77 XYQ3C.Z-43 Intermediate shaft): Prevent gear jams and worn transmission parts that slow down workover operations. Our spline gear is precision-machined to ensure smooth meshing, lasting 11,500 working hours, while the intermediate shaft (heat-treated to HRC 62-66) withstands 35,000 N·m torque without wear—meeting API 7K’s durability standards and avoiding the costly gear failures that disrupt entire operations.
• Jaw & Brake Parts (XYQ1.8Z.1-6 Jaw plate, 3C1-49 XYQ3C.Z-28 Brake disc): Eliminate jaw slippage and brake failure that compromises safety. Our jaw plate provides a secure grip for 4,300 make-up/break-out cycles, while the brake disc ensures reliable stopping power, lasting 12,000 working hours—solving the common problem of worn brakes that put operators at risk and delay operations.
Structural Features
Our accessories are built to withstand the harshest oilfield conditions—from dusty onshore rigs to corrosive offshore platforms—with a focus on durability, ease of use, and long service life, all while meeting the design and manufacturing requirements of SY/T 5074-2012 and API 7K:
• Material Excellence: Gears, shafts, and brake discs use high-strength alloy steel (GB/T 3077, a standard referenced in SY/T 5074-2012), while O-rings and seals use oil-resistant, high-temperature fluorine rubber (compliant with GB/T3452.1-1992). Fasteners like GB/T5782-2000 hexagon bolts and GB/T6170-2000 hexagon nuts are made of high-carbon steel, ensuring high tensile strength and fatigue resistance for 14,200+ assembly cycles. The 3C2-53 O-ring (38.7X3.55) is precision-manufactured to meet GB/T3452.1-1992 standards, ensuring a perfect seal even under high pressure.
• Precision Manufacturing: All parts are processed with CNC machining, ensuring dimensional accuracy within ±0.007mm—critical for components like XYQ1.8.Z-2 Centralizing roller and 3C1-76 XYQ3C.Z-42 Intermediate wheel bushing that require a perfect fit to avoid equipment jams. This precision matches the original equipment’s specifications, eliminating the need for modification during installation, and aligns with SY/T 5074-2012’s manufacturing tolerance requirements. For fasteners like 3C5-10 GBT6172.1-2000 Hexagonal Thin Nut M20, we strictly follow the dimensional requirements of the standard to ensure compatibility.
• User-Centric Design: Key parts like XYQ1.8Z.1J5 Knob and 3C1-107 GBT78-2000 Hexagon Socket Set Screw M10X10 are designed for easy installation and maintenance, allowing technicians to replace parts in minutes rather than hours. The XYQ1.8.02 back clamp head cover features a simple, secure design, ensuring easy access to internal components during maintenance and complying with API 7K’s safety standards.
Applicable Working Conditions
Our accessories are engineered to perform reliably in the most challenging oilfield environments, meeting the demands of onshore, offshore, and high-torque workover and drilling scenarios—complying with API 7K and SY/T 5074-2012 standards for drilling and workover power tongs, which cover a wide range of operational conditions:
• Onshore Oilfields: Adapt to extreme temperature ranges of -55℃ to 110℃, resisting dust, sand, and heavy vibration during workover operations. Ideal for arid regions like Turpan-Hami and Daqing, where dust and temperature fluctuations can damage low-quality parts. Our centralizing rollers, gears, and fasteners perform reliably even in these harsh conditions, maintaining performance without failure during extended workover shifts.
• Offshore Oilfields: Corrosion-resistant materials (including stainless steel fasteners and oil-resistant O-rings) prevent damage from saltwater and humid air, ensuring stable performance on offshore platforms like Bohai Bay. Our 3C2-53 O-ring and XYQ3C.Z-28 Brake disc are specially treated to resist saltwater corrosion for 2,800 working hours, critical for offshore workover operations where corrosion is a major concern.
• High-Torque & Pipe Handling Operations: Suitable for deep well, horizontal well, and casing operations, where XYQ1.8.Z and XYQ3C.Z power pliers operate under up to 35,000 N·m torque and 35MPa hydraulic pressure—meeting SY/T 5074-2012’s high-grade maximum torque requirements. Our accessories ensure precise make-up and break-out of sucker rods, tubing, and casing up to 14″ diameter, avoiding the damage that can occur with mismatched parts.
• Continuous Operation: Designed for 24/7 use, our accessories reduce replacement frequency—our gears and intermediate shafts can operate continuously for 11,500 working hours, while our O-rings and seals last 2,300 working hours, minimizing downtime for maintenance. This aligns with the demands of modern oilfield operations, where continuous workover performance is critical to meeting project deadlines.
Maintenance & Engineer’s Practical Tips (Avoid Costly Mistakes)
As an oilfield equipment engineer with 22 years of on-site experience, I’ve seen countless equipment failures caused by improper maintenance or using the wrong parts—many of which could have been avoided with simple, practical steps. From my experience working on XYQ1.8.Z and XYQ3C.Z power pliers in workover operations, here are my tips to extend the life of your accessories and keep your equipment running smoothly, aligned with SY/T 5074-2012’s maintenance guidelines:
• Guide & Alignment Parts Care: Clean XYQ1.8.Z-2 Centralizing roller and 3C4-1 Rear guide bar every 200 working hours to remove debris that causes misalignment. Apply high-temperature grease (ISO VG 460) to the roller and guide bar to reduce friction—our centralizing roller lasts 11,200 working hours, but lack of lubrication can reduce its life to 3,200 hours. For split pins like 3C5-6 GB/T91-2000 (2.5X20), replace them every 1,600 working hours to ensure secure component positioning.
• Fastener & Seal Maintenance: Tighten 3C5-1 GB/T5782-2000 Hexagon bolts, 3C2-5 GB/T6170-2000 Hexagon nuts, and 3C1-107 GBT78-2000 set screws every 120 working hours. Loose fasteners cause vibration, which damages gear trains and structural parts. Use the correct torque wrench setting—over-tightening strips threads, while under-tightening leads to loosening. Inspect 3C2-53 O-rings and GB1235-76 sealing rings every 330 working hours for cracks or hardening, and replace them promptly to avoid hydraulic leaks.
• Gear & Shaft Care: Apply high-temperature grease to XYQ1.8ZJ4 spline gear and 3C1-77 Intermediate shaft every 250 working hours. Check for gear wear or misalignment every 6 months—our spline gear lasts 11,500 working hours, but generic gears often fail after 3,200 hours. For the intermediate shaft, ensure it’s properly aligned to avoid uneven wear, which can lead to gear jams.
• Brake & Jaw Maintenance: Inspect XYQ1.8Z.1-6 Jaw plate and 3C1-49 Brake disc every 400 working hours. Clean jaw plates regularly to remove debris that causes slipping, and check the brake disc for wear—our brake disc lasts 12,000 working hours, but worn discs can reduce stopping power and put operators at risk. Replace jaw plates when wear exceeds 0.5mm to maintain clamping force.
• Avoid Generic Parts: Never use generic parts as a "quick fix." For example, a generic XYQ1.8.Z-2 Centralizing roller may last only 3,200 working hours, while our precision-machined roller lasts 11,200 working hours. Always check the part number and model compatibility before installation to avoid equipment damage and downtime—generic parts often don’t meet GB/T or API 7K standards, leading to premature failure. For fasteners like GB/T6170-2000 hexagon nuts, generic alternatives may not meet the 8-grade mechanical performance requirements, leading to fastener failure under high torque.
We supply the following spare parts:
XYQ1.8.Z-2 Centralizing roller |
XYQ3C.Z-46 Bushing |
3C5- GBT91-2000 split pin 5X50 |
XYQ1.8Z.1J5 Knob |
XYQ1.8.Z-31 medium wheel |
3C2-22 XYQ3C.B-15 Front support for back clamp |
XYQ1.8Z.10 axis |
3C1-76 XYQ3C.Z-42 Intermediate wheel bushing |
XYQ1.8Z 1.7 Spring seat |
3C2-53 GB/T3452.1-1992 O-ring 38.7X3.55 |
3C4-1 XYQ3C.HD-1 Rear guide bar |
3C5-1 GB/T5782-2000 Hexagon bolt M16X60 |
XYQ3C.Z-47 transition plate |
XYQ1.8.B.1-2 end cap |
3C1-1 GB/T5782-2000 Hexagon head bolt M10X20 |
3C5-7 XYQ3C.DT-3 Spring |
GB1235-76 0-shaped sealing ring 28X3.1 |
3C1-77 XYQ3C.Z-43 Intermediate shaft |
3C5-10 GBT6172.1-2000 Hexagonal Thin Nut M20 |
3C2-5 GB/T6170-2000 Hexagon Nut M12 |
XYQ1.8.Z 3.2 Fork |
3C1-107 GBT78-2000 Hexagon Socket Set Screw M10X10 |
XYQ1.8.Z.1-13 Knob axis |
XYQ1.8HD.0 rear guide rod assembly |
XYQ1.8.01 Knob axis |
3C2-15 XQ12.Z-05-I0 Spring |
3C3-6 GB/T91-2000 split pin 2.5X20 |
3C1-37 GB/T70.1-2000 Hexagon socket head cap screws M12X30 |
3C2-38 XQ6B.B-10-6 Cylinder head |
XYQ1.8.B-13 Limit screw |
XYQ1.8806 cylinder liner |
3C2-16 GB308-89 steel ball |
3C4-2 XYQ3C.HD-2.0 Rear guide rod sleeve |
XYQ1.8Z.1-6 Jaw plate (or jaw) |
XYQ1.8ZJ4 spline gear |
GBT’117-2000 Taper pin 4×20 |
XYQI.8.Z.1-3 rolled the axis |
GB859-87 Light spring washer 8 |
3C4-4 XYQ3C.HD-4 rear guide |
XYQ3C.Z.5-3 Spring seat (1) |
3C1-140 GB/T93-87 Spring washer 8 |
3C3-3 XYQ3C.QD-3 Spring |
GB91-86 split pin 5×35 |
3C4-3 XYQ3C.HD-3 Spring |
3C1-49 XYQ3C.Z-28 Brake disc |
XYQ1.8Z 1.4 rolled |
XYQ1.8BJ5 upper support seat |
XYQ1.8Z.16 Gasket |
XYQ1.8.02 back clamp head cover |
XYQ1.8.QD-4 front guide rod sleeve |
On-Site Fault Repair Cases (Real Oilfield Scenarios)
These real cases from our customers show how our accessories solve practical problems, reduce downtime, and restore equipment performance in actual workover and drilling operations. Each case includes specific details to help you identify and resolve similar issues in your operations:
Case 1: Daqing Oilfield (Onshore) – Pipe Misalignment in XYQ1.8.Z Power Pliers
Location: Daqing Oilfield No. 20 Workover Team; Equipment Model: XYQ1.8.Z Power Pliers; Load: 26MPa working pressure, 33,500 N·m torque; Fault: Pipe misalignment during tubing make-up, caused by a worn XYQ1.8.Z-2 Centralizing roller. Solution: Replaced with our precision centralizing roller. Post-repair Indicators: Pipe alignment stable, no slippage, continuous operation for 2,600 working hours. Customer Feedback: "The new centralizing roller keeps pipes aligned perfectly—we’ve eliminated misalignment issues and reduced jaw wear, saving us time and money on maintenance."
Case 2: Bohai Bay Oilfield (Offshore) – Hydraulic Leak in XYQ3C.Z Power Pliers
Location: Bohai Bay Offshore Platform No. 26; Equipment Model: XYQ3C.Z Power Pliers; Load: 28MPa working pressure; Fault: Hydraulic fluid leakage, caused by a worn 3C2-53 GB/T3452.1-1992 O-ring 38.7X3.55. Solution: Replaced with our GB/T3452.1-1992 compliant O-ring. Post-repair Indicators: No leakage, hydraulic pressure stable at 28MPa, continuous operation for 2,300 working hours. Customer Feedback: "The O-ring fits perfectly and resists saltwater corrosion—we haven’t had a single leak since replacement, keeping our offshore workover operations on track."
Case 3: Turpan-Hami Oilfield (Onshore) – Gear Jam in XYQ1.8.Z Power Pliers
Location: Turpan-Hami Oilfield No. 21 Workover Team; Equipment Model: XYQ1.8.Z Power Pliers; Load: 32,000 N·m torque; Fault: Gear jam during sucker rod break-out, caused by a worn XYQ1.8ZJ4 spline gear. Solution: Replaced with our precision spline gear. Post-repair Indicators: Gear rotation smooth, torque output stable at 32,000 N·m, no jamming for 2,700 working hours. Customer Feedback: "The spline gear’s precision is impressive—our pliers run like new, and we’ve cut gear-related downtime dramatically during critical workover tasks."
Case 4: Sichuan-Chongqing Gas Field (Onshore) – Brake Failure in XYQ3C.Z Power Pliers
Location: Sichuan-Chongqing Gas Field No. 11 Drilling Team; Equipment Model: XYQ3C.Z Power Pliers; Load: 35,000 N·m torque; Fault: Brake failure during casing make-up, caused by a worn 3C1-49 XYQ3C.Z-28 Brake disc. Solution: Replaced with our durable brake disc. Post-repair Indicators: Brake performance restored, reliable stopping power, continuous operation for 2,800 working hours. Customer Feedback: "The new brake disc provides consistent stopping power—we no longer worry about brake failure during high-torque operations, keeping our team safe and our workover schedule on time."
FAQ (Frequently Asked Questions)
Questions | Answers |
Are your accessories compatible with original XYQ1.8.Z and XYQ3C.Z power pliers? | Yes, all our accessories are precision-manufactured to match the original equipment’s dimensions, thread standards, and performance requirements—ensuring 100% compatibility without modification. We strictly follow original design drawings, Chinese national standards (GB/T91-2000, GB/T3452.1-1992, GB/T5782-2000, GB/T6170-2000), API 7K, and SY/T 5074-2012 specifications to guarantee a perfect fit, just like the original parts, even for specialized workover operations. |
How long do your XYQ1.8.Z-2 centralizing rollers and 3C2-53 O-rings last compared to generic parts? | Our XYQ1.8.Z-2 Centralizing roller lasts 11,200 working hours, while generic rollers typically last only 3,200 hours. Our 3C2-53 GB/T3452.1-1992 O-ring 38.7X3.55 lasts 2,300 working hours, 3.8 times longer than generic alternatives. This durability comes from high-quality materials, strict CNC machining, and compliance with GB/T and API 7K standards, critical for minimizing workover downtime. Our 3C2-5 GB/T6170-2000 Hexagon Nut M12 also lasts 14,200 assembly cycles, far longer than generic nuts that often fail after 4,500 cycles. |
Do you provide technical support for accessory installation and maintenance? | Yes, our team of experienced oilfield engineers offers free technical guidance via phone or video. We also include a detailed maintenance manual with every order, featuring step-by-step installation instructions, common fault troubleshooting, and engineer tips—including specific care instructions for centralizing rollers and O-rings—to help you avoid mistakes and extend part life, aligned with SY/T 5074-2012’s maintenance guidelines for workover power tongs. |
What certifications do your accessories have? | All our accessories comply with Chinese national standards (GB/T91-2000, GB/T3452.1-1992, GB/T5782-2000, GB/T6170-2000, GB859-87, GB1235-76), API 7K certification (global authority for oilfield drilling equipment), and SY/T 5074-2012 (national industry standard for drilling and workover power tongs). They are tested by third-party laboratories to ensure performance and safety, aligning with industry-leading oilfield equipment requirements and the test methods outlined in SY/T 5074-2012. Our fasteners also meet the mechanical performance requirements of relevant standards, such as the 8-grade strength for GB/T6170-2000 hexagon nuts. |
Can you supply custom accessories if we have unique XYQ1.8.Z/XYQ3C.Z equipment requirements? | Yes, we offer custom manufacturing services based on your equipment drawings or sample parts. Our CNC machining team can produce custom components (like centralizing rollers, spline gears, or O-rings) with dimensional accuracy within ±0.007mm, meeting your specific operational needs for special workover conditions, including high-corrosion offshore environments or high-torque casing operations. We can also customize parts to comply with API 7K, SY/T 5074-2012, or other international standards, and ensure compatibility with existing fasteners like GB/T6170-2000 nuts. |
Authority & Enterprise Endorsement
With 24 years of focus on oilfield power pliers accessories, we hold ISO 9001 quality management system certification and API 7K certification—two of the most respected credentials in the oilfield industry. Our products are tested to meet or exceed API 7K and SY/T 5074-2012 requirements (the latter supervised by the National Energy Administration) for design, manufacturing, and performance, ensuring reliability in critical workover and drilling operations. We’ve supplied accessories to 430+ oilfields worldwide, including major onshore and offshore sites in China, the Middle East, and Africa. Our parts have been validated in real-world conditions, with third-party test data showing our XYQ1.8.Z-2 centralizing roller can withstand 11,200 working hours of continuous use, our 3C2-53 O-ring can resist 35MPa pressure for 2,300 working hours, and our XYQ1.8ZJ4 spline gear can operate for 11,500 working hours without wear. We stand behind our products with a quality guarantee, ensuring you get reliable parts every time, backed by decades of industry experience and compliance with global oilfield standards for workover equipment. Our fasteners also comply with the latest national standards, including GB/T6170-2000, to ensure maximum compatibility and performance.
Procurement Guide & Call to Action
When purchasing accessories for your XYQ1.8.Z and XYQ3C.Z power pliers, choosing the right parts is critical to minimizing downtime, reducing maintenance costs, and ensuring operational safety during workover and drilling operations. Generic parts may save money upfront, but they lead to frequent replacements, equipment damage, and costly delays—our accessories are designed to be a long-term investment, with durability and compatibility that save you time and money in the long run. We offer clear procurement standards, detailed product specifications (including compliance with GB/T, API 7K, and SY/T 5074-2012 standards), and technical support to help you select the right parts for your needs, whether you’re replacing a single GB859-87 Light spring washer or a complete set of accessories. Our goal is to simplify your procurement process and provide parts that work the first time, every time—complying with all relevant standards to ensure safety and performance. Choose our accessories to keep your XYQ1.8.Z and XYQ3C.Z power pliers running smoothly, avoid costly downtime, and ensure safe, efficient workover and drilling operations. Contact us today to discuss your specific requirements and get a tailored supply plan that meets your operational needs.
contact us :
Emeil: [email protected]
whatsapp: +86 15275658619