Wholesale Forged Hydraulic Torque Wrench Socket Impact Hollow Hexagon Sockets Sleeve

• Customization: Available
• Manufacturing Process: Forged
• Outer Diameter: 75mm
• Model NO.: 08K7565
• Inner Diameter: 65mm
• Material: Cr-Mo Steel Alloy
• Surface Treatment: Black Oxidation
• Diameter Tolerance: It6-It8 Level (High-Precision Machining)
• Surface Roughness: Ra 0.4-1.6 μ M (After Grinding or Honing)
• Tensile Strength: 800-1500 MPa
• Yield Strength: 650~950 MPa
• Hardness: HRC 30-60 (After Quenching and Tempering)
• Standard: GB/T 3390.1-2015
• Nut Size: S65 / M42
• Usage: Reducing Torque Wrench a/F Size
• Warranty Period: 12 Months
• Application: for Low Profile Cassette Torque Wrench
• Transport Package: Paper Carton with Thick Bubble Film
• Specification: 95*95*100mm
• Trademark: Baier
• Origin: Hubei, China
• HS Code: 8204200000
• Production Capacity: 1600 Pieces/Month
• Package Size: 16.00cm * 16.00cm * 16.00cm
• Package Gross Weight: 3.000kg

Product Description

Cassette Wrench Reducer Sleeve – Engineered for Extreme Durability

A wrench reducer sleeve is a hardened alloy steel adapter that connects larger drive tools (e.g., hydraulic wrenches) to smaller fasteners. It ensures torque transfer with precision-machined hexagonal/square bores and a robust wall thickness (10–25mm). Heat-treated for durability (HRC 45–50), it prevents slippage and withstands high torque (e.g., 5,000Nm). Ideal for confined spaces like flanges or wind turbines, it must match the tool's specs to avoid wear. Regular inspection for cracks or deformation is recommended.

Specification

Application of Hollow Wrench Reducer Sleeve

The hollow reducer sleeve (or step-down adapter socket) is a critical accessory for hydraulic and impact wrenches, enabling size adaptation while maintaining access to long or obstructed fasteners. Its through-hole design allows it to slide over extended bolts, studs, or cables, making it indispensable in:

1. Industrial Maintenance & Construction
Wind Turbines: Tightens flange bolts without removing long studs.
Oil & Gas Pipelines: Adapts large wrench drives to smaller bolts in confined spaces.
Heavy Machinery: Services bolts on excavators, cranes, and presses where space is limited.
2. Infrastructure & Energy
Bridges & Towers: Fits over anchor rods and tensioning systems.
Power Substations: Allows work around live cables without disassembly.
Nuclear/Offshore: Resists corrosion in harsh environments.
3. Transportation & Manufacturing
Shipbuilding: Accesses bolts in cramped engine compartments.
Railway Maintenance: Quickly services rail fasteners without removing tracks.
Aerospace Assembly: Ensures precision torque on critical components.

Core Functions

* Torque Transmission – Transfers high torque (up to 50,000+ Nm) without slippage.

* Space Optimization – Bypasses obstructions (pipes, cables, or extended bolt ends).
* Safety & Efficiency – Reduces downtime by avoiding bolt removal in critical structures.

* Compatibility – Works with hydraulic wrenches, multipliers, and impact tools.

* Versatility – Compatible with hydraulic wrenches, torque multipliers, and impact guns.

-- Material & Durability: Made from hardened alloy steel (42CrMo/SCM440) with HRC 45-50 hardness, ensuring fatigue resistance under extreme loads.

Hexagonal Bottom

side view of reducer socket

hexagonal top

Reducing sleeve compatible with low profile cassette wrench RTF08

For more specifications of hollow sleeves, please consult Baier's customer service

Model	Outer Dia.	Inner Dia.		Model	Outer Dia.	Inner Dia.
08K6050	60 mm	50 mm		08K7550	75 mm	50 mm
08K6046	60 mm	46 mm		08K8070	80 mm	70 mm
08K6041	60 mm	41 mm		08K8065	80 mm	65 mm
08K6036	60 mm	36 mm		08K8060	80 mm	60 mm
08K7060	70 mm	60 mm		08K8055	80 mm	55 mm
08K7055	70 mm	55 mm		08K8575	85 mm	75 mm
08K7050	70 mm	50 mm		08K8570	85 mm	70 mm
08K7046	70 mm	46 mm		08K8565	85 mm	65 mm
08K7565	75 mm	65 mm		08K8560	85 mm	60 mm
08K7560	75 mm	60 mm		08K9080	90 mm	80 mm
08K7555	75 mm	55 mm		08K9075	90 mm	75 mm

After Sales Service

1. Warranty Policy
Warranty period: 12 months from the date of purchase (subject to invoice or electronic voucher).
Warranty coverage: Performance failures caused by material or manufacturing defects.
Non warranty coverage: Damage caused by human factors (such as impact, water ingress, disassembly, etc.), overloading, or failure to operate according to the instructions.

2. Maintenance and replacement
Free repair: For eligible issues during the warranty period, free testing and replacement of parts will be provided.
Paid service: If it exceeds the warranty period or is damaged by human factors, a cost fee will be charged for repair.

3. Technical support
Online guidance: Provide APP online customer service, video tutorials, and operation manuals.
Remote diagnosis: Supports uploading fault data via Bluetooth/APP for engineers to quickly analyze.

4. After sales process
Contact customer service: Submit a problem description or video evidence.
Return for testing: After confirming the need for repair, send it to the designated service center (the shipping cost is borne by the user, and we will bear the return shipping cost for any faults during the warranty period).
Feedback processing: Within 1-3 working days after receiving the product, provide feedback on the test results and inform the repair plan.

5. Other services
Enterprise customization: For bulk purchasing customers, the warranty period can be extended or an exclusive service agreement can be signed.
Software upgrade: Provide lifelong free APP functionality and updates.

Note: Specific terms shall be subject to the product manual or Baier's latest policies. In case of any dispute, our company reserves the right of final interpretation.

Baier Torque Wrench Socket - a professional tool that requires more professional support!

Company Profile

Baier Hydraulic Power (Wuhan) Co., Ltd – Your Trusted Partner in Bolting Solutions

Founded in 2007, Baier Hydraulic Power (Wuhan) Co., Ltd. is a high-tech enterprise specializing in the R&D, production, and sales of professional bolting tools and engineering solutions. With a strong commitment to innovation and quality, we have established ourselves as a leading provider of hydraulic, electric, and pneumatic torque tools, serving clients across diverse industries worldwide.

Core Competencies & Technological Leadership
Baier excels in the design and manufacturing of heavy-duty bolting systems, offering cutting-edge solutions for large-scale fastener tightening and loosening applications. Our product portfolio includes:

 - Hydraulic Torque Wrenches – High-power tools for critical industrial bolting.
 - Electric Torque Wrenches – Precision-controlled with smart features for efficiency.
 - Bolt Tensioners – Ensuring uniform load distribution in high-pressure environments.
 - Hydraulic Jacks/Pumps – Robust lifting and pressing equipment for maintenance tasks.

Backed by 70+ patents and certifications (ISO, SGS, CE), our in-house R&D team continuously enhances product performance, integrating automation and IoT capabilities to meet evolving market demands.

Manufacturing Strength & Global Reach
 - Facility: 12,000m² production base in Wuhan, equipped with 50+ advanced machines.
 - Capacity: 100+ skilled employees ensuring strict quality control and scalable output.
 - Market Presence: Products exported globally, trusted by Fortune 500 companies in energy, construction, and heavy machinery sectors.

Customer-Centric Philosophy
We pride ourselves on delivering cost-effective tools paired with exceptional after-sales support, including:

 - 24/7 technical consulting.
 - On-site training and maintenance services.
 - Customized solutions for unique project requirements.

Mission: To redefine bolting technology through innovation, reliability, and unwavering customer focus.

Join hands with Baier—where engineering excellence meets enduring partnerships!

Reasons to Choose Baier Hydraulic Power (Wuhan) Co., Ltd

Baier's Comprehensive Product Portfolio

Industry-Leading Expertise

Specialized in bolting solutions since 2007, with deep technical know-how in hydraulic, electric, and pneumatic torque tools for heavy-duty applications.
Innovation-Driven Technology

70+ patents and ongoing R&D investments ensure cutting-edge products with smart features (e.g., precision torque control).
Certified Quality Assurance

Internationally recognized certifications (ISO, SGS, CE) guarantee compliance with stringent safety and performance standards.
Comprehensive Product Range

One-stop solutions: From hydraulic torque wrenches to bolt tensioners and pump stations, covering all industrial bolting needs.
Robust Manufacturing Capabilities

12,000m² production facility with 50+ advanced machines and 100+ skilled workers, ensuring scalable, high-quality output.
Global Trust & Local Support

Proven track record serving Fortune 500 clients worldwide, backed by 24/7 technical support and customized service.
Cost-Effective & Reliable

Competitive pricing without compromising durability, paired with lifetime software upgrades and responsive after-sales care.

Baier—Where Precision Meets Power!

Electric Torque Wrenches

- Plug-in Electric Torque Wrenches: High-precision, corded models for stable power supply in workshop environments.
- Cordless Electric Torque Wrenches: Battery-powered for portability, ideal for field operations.
- Servo Torque Wrenches: Advanced servo motor-driven tools with ultra-precise torque control (±3% accuracy).
Pneumatic Torque Wrenches

Lightweight, explosion-proof designs suitable for oil & gas, petrochemical, and hazardous environments.
Hydraulic Torque Wrenches

High-torque output (up to 180,000 N·m) for heavy industrial applications like wind turbines and pipeline flanges.
Bolt Tensioners

Hydraulic bolt tensioning systems for even load distribution in critical joints.
Nut Splitters

Hydraulic nut cutters for safe removal of corroded or over-torqued nuts.
Flange Tools

Specialized flange spreaders, alignment pins, and sealing surface repair tools.
Hydraulic Jacks

High-capacity lifting jacks (5-1,000 tons) for machinery installation and maintenance.
Hydraulic Power Packs

Electric/pneumatic hydraulic pumps to drive torque wrenches, tensioners, and other tools.
Hydraulic Pullers (Hydraulic Rams)

Bearing pullers and gear removers with minimal space requirements.

Baier—Your Full-Spectrum Bolting Technology Partner!
All products comply with ISO, CE, and ATEX standards for global industrial applications.

FAQ

1. Q: What after-sales service do you provide?
R: All the products we sell enjoy 12-month warranty and lifetime after-sales service. The professional after-sales team provides installation and use guidance, free repair or replacement of parts during the warranty period. Provide customers with complete engineering solutions and transportation solutions, and if necessary, remote video conferences can be conducted to solve any after-sales problems.

2. Q: Do you have local agents or service outlets?
R: Up to now, our products are mainly sold to Germany, the United States, Italy, Australia, South Korea, the United Arab Emirates, Peru and other countries, and we have distributors in the above countries. The company plans to set up service centers in Australia, Germany, and the United Arab Emirates in 2023. In addition, there are no agents in other countries and regions, please contact our company for cooperation!

3. Q: How long does it take to deliver the product?
R: We mainly focus on our own brand products, most of which are in stock, and usually can be shipped within 5-10 working days after the order is placed; for customized or out-of-stock products, the delivery time is about 20-30 days.

4. Q: Can you deliver to our local area?
R: Yes, we can provide you with door-to-door logistics services. According to your needs, you can choose different logistics transportation solutions such as railway transportation, road transportation, sea transportation, air transportation, express delivery and multimodal transportation.

5. Q: What is your payment terms?
R: Usually we only accept T/T at sight payment, and L/C at sight payment can also be accepted under special circumstances. Spot products are generally shipped after receiving 100% of the full payment; customized products are prepaid with a 30%-50% deposit, and the balance must be settled before delivery. The specific payment terms can be determined through negotiation between the two parties.