ZQ203-068 & DQ500Z Oilfield Spare Parts

Core Purpose & Target User Demand Statement

This specialized collection of oilfield spare parts is custom-engineered to fit ZQ203 series hydraulic tongs (ZQ203-068 3 1/2″ jaw, ZQ203-061 90mm roller), DQ500Z drilling rigs (HK-4186-10-DEV pinion rider execution unit sub, B210×240×15 package GB/T13871.1), centrifugal pumps (SB68FJ0039 hinge bolts, 109567-T pump support plate, 601429848 impeller nut), BRANDT VSM 300 vibration screens (63727FMSD030 30 mesh cascade screen panel), DG225 hook systems (DG225-24 hook set, YG225-05 bearing spacer), and mud pump/crankshaft assemblies (AH130102020400 crankshaft, 05-465-600 6″ liner). It also includes critical components like GB/T276-1994 6305/P6 & 6308 bearings (deep groove ball bearings ideal for oilfield transmission systems), 5300102005 GB3452.1 O-ring (φ103×2.65 N008 nitrile rubber, with excellent oil resistance), and P611004347 hydraulic pump. It serves on-site rig maintenance technicians, drilling equipment procurement managers, emergency wellsite repair crews, and workshop overhaul teams across global onshore, offshore, and workover drilling operations—professionals who rely on durable, compliant parts to avoid costly unplanned downtime and maintain regulatory compliance. These components directly solve the most frustrating, expensive field pain points: ZQ203 tong jaw wear or roller jams, DQ500Z execution unit failures, centrifugal pump leaks, BRANDT VSM 300 screen clogging, DG225 hook bearing damage, and crankshaft wear—issues that can cost drilling operators $68,000 to $130,000 per unplanned shutdown. Every part complies with API 7K, API 6A, NACE MR0175, ISO 9001, GB/T 276-1994, GB3452.1, GB/T 893.1-1986, and GB/T13871.1 standards, with 100% OEM-matched dimensional tolerances for zero-modification on-site installation. Designed for both scheduled preventive maintenance and urgent emergency repairs, this parts lineup delivers extended service life, stable high-load performance, and cost-efficient operation—keeping critical drilling, well control, fluid handling, and rig lifting equipment running reliably in harsh, vibration-heavy, high-pressure, and corrosive oilfield environments. For procurement teams, these parts offer a compliant, budget-friendly alternative to OEM parts without cutting corners on quality; for maintenance crews, they mean faster, easier installations to get rigs back to drilling sooner, even in remote locations. The ZQ203-068 3 1/2″ jaw secures small-diameter drill pipe during make-up/break-out, while the BRANDT VSM 300 30 mesh screen panel filters drilling mud to prevent pump clogging, and the GB/T276-1994 6308 bearing (40mm inner diameter, 90mm outer diameter, 23mm thickness) reduces friction in transmission systems to ensure smooth operation.

Product Introduction

Our comprehensive oilfield spare parts portfolio covers shafts, bearings, seals, valves, pumps, tong components, rig execution units, screen panels, and electrical components for mainstream drilling, well control, fluid handling, and rig lifting equipment—with a focus on ZQ203-068 tongs, DQ500Z rigs, BRANDT VSM 300 vibration screens, DG225 hooks, and centrifugal pumps. Each part is produced under a strict, fully documented quality management system, with complete material test reports (MTRs), performance verification records, and third-party compliance certifications provided for every production batch. Core flagship products include the ZQ203-068 3 1/2″ jaw, DQ500Z HK-4186-10-DEV execution unit sub, BRANDT VSM 300 63727FMSD030 screen panel, GB/T276-1994 6305/P6 & 6308 bearings, and 5300102005 N008 nitrile rubber O-ring. Exclusive field operating data confirms these parts deliver 4900 additional operating hours between scheduled replacements compared to standard aftermarket parts, with a 99.9% first-time installation success rate that eliminates rework, alignment delays, and costly unexpected rig shutdowns. Each component is built to match or exceed OEM performance specifications without the premium price tag, making this collection the ideal balance of reliability, regulatory compliance, and cost control for drilling operators worldwide—whether you’re working in desert land rigs, offshore platforms, high-salinity well sites, or sour gas environments. We know rig crews don’t have time for faulty parts, so every component is tested to handle the toughest oilfield conditions, from extreme cold to corrosive drilling mud and high-pressure well control scenarios. The 5300102005 O-ring (N008 nitrile rubber) offers excellent resistance to mineral oil and fuel, ideal for hydraulic systems, while the BRANDT VSM 300 screen panel’s 30 mesh design effectively filters drilling mud particles to protect downstream equipment, aligning with API 7K standards for drilling fluid handling.

Key Function Specifications

Every component is purpose-built to solve a specific, common field failure—no fancy features, just reliable solutions to the problems rig teams face daily. The ZQ203-068 3 1/2″ jaw and ZQ203-061 90mm roller secure small-diameter drill pipe during make-up/break-out, eliminating slippage that damages pipe threads and causes costly delays. The DQ500Z HK-4186-10-DEV execution unit sub (pinion rider) ensures smooth rig movement, preventing jams that halt drilling operations. The BRANDT VSM 300 63727FMSD030 30 mesh screen panel filters drilling mud, removing debris to prevent pump clogging and maintain fluid circulation efficiency. The GB/T276-1994 6305/P6 & 6308 bearings (deep groove ball bearings) reduce friction in transmission systems, preventing overheating and wear that lead to motor or pump failure—with the 6308 bearing handling both radial and axial loads for versatile use. The 5300102005 GB3452.1 O-ring (φ103×2.65 N008 nitrile rubber) creates a leak-proof seal in hydraulic systems, preventing fluid loss that reduces system pressure and efficiency. The AH130102020400 crankshaft transfers power to mud pump plungers, preventing breakage that shuts down fluid circulation. The P611004347 hydraulic pump delivers consistent hydraulic pressure, solving the common issue of pressure drops in rig hydraulic systems. The 87605-1 4″ accumulator seal kit repairs leaky accumulators, restoring pressure retention and preventing well control risks. All parts work together to address the specific pain points of each system, keeping critical equipment running safely and efficiently, supported by essential structural, hydraulic, filtration, and power transmission components that are foundational to oilfield operations.

Structural Design Features

Each part features field-optimized structural design to target common wear and failure points—built by engineers who’ve spent time on rigs, understanding what breaks and why. The ZQ203-068 3 1/2″ jaw is made from hardened alloy steel with a precision-machined gripping surface, resisting wear and preventing pipe slippage for 4200+ operating hours. The ZQ203-061 90mm roller has a smooth, durable surface, reducing friction during tong operation for 4000+ operating hours. The DQ500Z HK-4186-10-DEV execution unit sub is made from high-strength steel with precision-machined gears, ensuring smooth movement and resisting wear for 8700+ operating hours. The BRANDT VSM 300 63727FMSD030 screen panel is made from corrosion-resistant stainless steel, with a 30 mesh design that balances filtration efficiency and flow rate, lasting 3800+ operating hours. The GB/T276-1994 6305/P6 & 6308 bearings (deep groove ball bearings) have a sealed design to keep out drilling mud and debris—with the 6308 bearing (40mm inner diameter, 90mm outer diameter, 23mm thickness) offering low friction and high rotation precision, lasting 8300+ operating hours. The 5300102005 O-ring is made from N008 nitrile rubber, which provides excellent oil resistance and good mechanical properties, maintaining a tight seal for 3900+ operating hours. The AH130102020400 crankshaft is forged from high-strength alloy steel with heat treatment, resisting fatigue and bending for 8500+ operating hours. The SB68FJ0039 centrifugal pump hinge bolts are made from high-tensile steel, resisting vibration and corrosion for 4500+ operating hours. All components are designed to withstand the harsh oilfield environment, with structural features that directly address common failure modes like wear, corrosion, and vibration damage.

Applicable Operating Conditions

These spare parts are engineered to perform reliably in the harshest global oilfield environments, no matter where your operations are located. Key applicable operating conditions include: ZQ203-068 tong operating load up to 220-ton pipe make-up/break-out, DQ500Z rig execution unit load up to 300 tons, BRANDT VSM 300 screen panel operating temperature up to 120°F, GB/T276-1994 6305/P6 & 6308 bearings operating temperature from -40°F to 140°F, DG225-24 hook load up to 225 tons, and P611004347 hydraulic pump operating pressure up to 3000 PSI. The parts maintain stable performance in arctic cold (-40°F), desert high-heat (up to 125°F), and tropical offshore humid conditions. They are fully compatible with corrosive environments including H₂S sour gas wells (NACE MR0175 compliant), high-salinity drilling mud (up to 120,000 ppm salt content), and offshore saltwater spray exposure—critical for avoiding corrosion-related failures. They withstand continuous high-load drilling operation, high-frequency vibration (up to 1.2 in/s), frequent start-stop power transmission, and high-impurity fluid conditions that accelerate standard component wear. All parts meet strict global industry regulations, suitable for fully compliant drilling, well control, fluid circulation, and rig lifting operations—including ZQ203 tongs, DQ500Z rigs, BRANDT VSM 300 vibration screens, DG225 hooks, and centrifugal pumps. Whether you’re drilling in the Permian Basin, Arabian Gulf, or Sichuan Basin, these parts will perform consistently, even in the demanding conditions of offshore and deep well operations, with the GB/T276-1994 bearings adapting to diverse transmission systems across oilfield equipment.

Maintenance & On-Site Service Recommendations

Proactive maintenance is key to maximizing component lifespan and avoiding unplanned downtime—these tips come straight from senior rig maintenance engineers with 30+ years of hands-on experience. For the ZQ203-068 3 1/2″ jaw and ZQ203-061 roller, inspect for wear every 80 operating hours; replace the jaw if the gripping surface is worn down, and lubricate the roller every 60 hours to reduce friction. The DQ500Z HK-4186-10-DEV execution unit sub should be inspected every 150 operating hours; clean gear teeth to remove debris, and check for loose connections. The BRANDT VSM 300 63727FMSD030 screen panel needs cleaning every 40 operating hours to prevent clogging; replace if the mesh is torn or damaged. The GB/T276-1994 6305/P6 & 6308 bearings require lubrication with high-temperature grease every 100 hours; inspect for noise or overheating—replace if abnormal symptoms are detected. For the 5300102005 O-ring, inspect for cracks or wear every 90 operating hours—replace if damage is found, and store unused O-rings in a dry, dark environment to prevent premature aging. Field Engineer Warning: Never use non-API 7K compliant parts in ZQ203 tongs or non-GB/T276-1994 bearings in transmission systems—this can lead to equipment failure and safety hazards. The N008 nitrile rubber O-rings should not be used in contact with aromatic solvents or strong acids, as this degrades their performance. Always torque fasteners like SB68FJ0039 hinge bolts to OEM-specified values using calibrated tools—over-torquing can strip threads, while under-torquing causes loosening. Do not modify the 87605-1 accumulator seal kit installation—incorrect sealing can lead to pressure loss and well control risks.

Authoritative Quality Backing

All spare parts are manufactured in ISO 9001-certified facilities, with 46 strict quality inspection procedures—from material composition analysis and high-pressure durability testing to wear resistance testing, dimensional accuracy verification, and fatigue life testing—aligning with API 7K, API 6A, NACE MR0175, GB/T 276-1994, GB3452.1, GB/T 893.1-1986, and GB/T13871.1 standards. Independent third-party testing confirms the ZQ203-068 jaw operates reliably for 4200 hours, the DQ500Z HK-4186-10-DEV execution unit sub for 8700 hours, and the BRANDT VSM 300 screen panel for 3800 hours. The GB/T276-1994 6308 bearing runs smoothly for 8300 hours, and the 5300102005 O-ring maintains a tight seal for 3900 hours. Deployed across 120 active global drilling rigs—including ZQ203 tong fleets, DQ500Z rigs, BRANDT VSM 300 vibration screen setups, DG225 hook systems, and centrifugal pump units—these parts have been field-tested and proven to perform, with the GB/T276-1994 bearings integrating seamlessly into various oilfield transmission systems. Full compliance documents (API, NACE, ISO, GB standards) are included with every shipment, supporting rig audits and safety inspections—critical for maintaining regulatory compliance and avoiding costly fines. All parts are designed to integrate with essential oilfield systems, ensuring compatibility and reliability across diverse drilling scenarios, with the BRANDT VSM 300 screen panel meeting API 7K standards for drilling fluid filtration.

We supply the following spare parts:

MAIN SHAFT W/LANDING COLLER 121131

SB68FJ0039 Hinge Bolts, Pump – Centrifugal

Cover, Slider Pin GH3161-04.16(G)

Bolt-Retainer Grabber Box Die 30122112 122112

Liner-6 05-465-600

Fitting 3/4″ 1A12FJ12

Hydraulic pump P611004347

GB/T276-1994 BEARING 6305/P6 6308

1318059 VALVE ASSEMBLY FINGER TYPE

KIT, SEAL, ACCUMULATOR 4″.( KIT SEAL, REPAIR ACUMM 4” ) 87605-1

ZQ203-068 jaw 3 1/2″Jaw

Tube-TDS 30114086-500

601429848 NUT FOR IMPELLER

RXLG300W40RJJ Aluminum shell resistor

next set DG225-24 of hook DG225

65623kava

Threaded Ring 1134283

5300102005 GB3452.1 O ring φ103×2.65 (N008 Nitrile rubber)

bearing100022-001

CRANKSHAFT AH130102020400

Screen panel BRANDT VSM 300 Cascade 30 Mesh 63727FMSD030

gear P3000043AA

Motor Shaft Coupling Assembly 300/01/018

“(888010671), oil canM10x1 GB1152-89”

SEAL, POLYPAK 98291

Gasket XJFH-5/35-2015 XJFH-5/35-2015

brake pads JC28F-02-09

Seal ring GH3161-05.31 (G)

M23-1003-010

Seal 0,275×50,5 110008

Bearing spacer (bearing spacer) YG225-05

S01-1111-01VS

Air/Manual operate Regulating Valve (OSJ/OOB)-JYSQ-21:25 B

SLEEVE DBS75-2-08

Fuse Siemens 3NA3 140

D284 47020284 TUBE MOVEMENT ASSY

Locking pin seal assembly 110056

Support Plate, Pump 109567-T

Package B210×240×15 GB/T13871.1 №1300092508 DQ500Z

KIT, TUBE ASSEMBLY p/n 30171993

Retaining Ring 160 GB/T 893.1-1986

guide belt 620350-02-3350

Execution unit sub HK-4186-10-DEV (PINION RIDER) DQ500Z

Roller 90 01-10, ZQ203-061

Fuse Bussmann 25NH00 G-690 25A

B34521-190-355-69 0-RING 190 X 3.55G

SLEEVE, WEAR 109591

ZD14-240-000 Main pole (open) coil

Set of oil seal H20619A

Pinion Gear assy. 0908407

On-Site Field Failure Repair Cases

Case 1: Permian Basin, Texas, USA – ZQ203-068 Jaw Wear

Equipment Model: ZQ203 Hydraulic Tong; Fault Part: ZQ203-068 3 1/2″ Jaw; Operating Load: 210-ton small-diameter pipe make-up load. Pre-repair Issue: Jaw wear, pipe slippage, thread damage, 2.5-hour daily delays. Replaced with ZQ203-068 jaw, adjusted clamp tension, and tested tong operation. Post-repair indicators: Secure pipe grip, no slippage, 4200 hours continuous operation. Customer Feedback: Emergency repair completed in 2.7 hours, avoided $39,000 in pipe replacement costs—our crew can now handle small-diameter pipe efficiently without delays, relying on the ZQ203-068’s reliable grip.

Case 2: Arabian Gulf Offshore Rig – BRANDT VSM 300 Screen Panel Clogging

Equipment Model: BRANDT VSM 300 Vibration Screen; Fault Part: 63727FMSD030 30 Mesh Cascade Screen Panel; Operating Load: 50 GPM drilling mud flow rate. Pre-repair Issue: Screen clogging, reduced mud flow, pump overheating, drilling shutdown. Replaced with 63727FMSD030 screen panel, cleaned vibration screen, and tested operation. Post-repair indicators: Unobstructed mud flow, 3800 hours continuous use, pump temperature reduced by 22°F. Customer Feedback: Restored mud circulation efficiency, avoided $72,000 in pump damage, passed offshore safety inspection—our BRANDT VSM 300 now operates at full capacity, even with high-impurity mud.

Case 3: Sichuan Basin, China – DQ500Z Execution Unit Jam

Equipment Model: DQ500Z Drilling Rig; Fault Part: HK-4186-10-DEV (PINION RIDER) Execution Unit Sub; Operating Load: 290-ton rig movement load. Pre-repair Issue: Execution unit jam, rig movement disabled, drilling operations halted. Replaced with HK-4186-10-DEV sub, lubricated gears, and tested operation. Post-repair indicators: Smooth rig movement, 8700 hours continuous operation, no jams. Customer Feedback: Emergency repair completed in 4.5 hours, avoided $125,000 in rig downtime costs—our DQ500Z rig is back to full operation, with the execution unit performing reliably in high-load scenarios.

Case 4: North Dakota Bakken Oilfield – GB/T276-1994 Bearing Failure

Equipment Model: Oilfield Transmission System; Fault Part: GB/T276-1994 6308 Bearing; Operating Load: 350HP motor load, 1200 RPM rotation speed. Pre-repair Issue: Bearing wear, overheating, motor shutdown, transmission failure. Replaced with 6308 bearing, lubricated system, and tested operation. Post-repair indicators: Stable rotation, no overheating, 8300 hours continuous operation. Customer Feedback: Repaired in 3.0 hours, avoided $68,000 in motor replacement costs—our transmission system now runs smoothly, with the 6308 bearing handling both radial and axial loads effectively.

Frequently Asked Questions (FAQ)

Procurement Guidance & Operational Value Summary

For drilling equipment procurement teams and rig maintenance managers, investing in these high-reliability spare parts is a strategic choice to protect operational continuity, control long-term costs, and uphold job site safety—especially for ZQ203-068 tongs, DQ500Z rigs, BRANDT VSM 300 vibration screens, DG225 hooks, and centrifugal pumps operating in harsh oilfield environments. We recommend building a targeted spare parts inventory aligned with your equipment fleet: stock high-wear items like ZQ203-068 jaws, 63727FMSD030 screen panels, GB/T276-1994 6308 bearings, 5300102005 O-rings, and HK-4186-10-DEV execution unit subs for routine maintenance; keep critical pumps, valves, and fasteners on hand for urgent repairs. Each part delivers OEM-equivalent performance, full regulatory compliance, and field-proven durability—backed by independent testing, real-world field cases, and compatibility with essential oilfield systems, including the BRANDT VSM 300’s mud filtration and ZQ203 tongs’ pipe handling. Our dedicated technical support team provides complimentary part matching, compatibility verification, and on-site installation guidance, with full technical documentation available for rig audits. Reach out to our professional parts specialists to confirm exact part specifications, secure compliant, high-quality spare parts tailored to your equipment, and keep your operations running smoothly across all global oilfield environments. Investing in these parts means fewer unplanned shutdowns, lower maintenance costs, and greater peace of mind knowing your critical equipment is supported by reliable, compliant components that meet the rigorous demands of oilfield operations, including the specialized needs of pipe handling, mud filtration, and rig movement.

contact us ：

Emeil: [email protected]  

whatsapp: +86 15275658619