HSR6-M72 Series Spring Return Bolt Tensioner

Name: HSR6-M72 Series Spring Return Bolt Tensioner
Brand: Hangzhou WREN Hydraulic Equipment Manufacturing Co., Ltd.
SKU: 2101043735

Zhejiang, ChinaHangzhou WREN Hydraulic Equipment Manufacturing Co., Ltd.

US$1,043.00

1-19 Pieces

US$886.55

20+ Pieces

Product profile

Customization

Available

Certification

ISO, CE

Condition

New

Model NO.

HSR6-M72

Automatic Grade

Semi-Automatic

Usage

Petroleum, Construction, Metallurgy

Type

Hydraulic Wrenches

Brand

Wren

Working Pressure

1500bar

Tool Load

2500kN

Effect Area

16670mm

Stroke

10mm

Weight

33kg

Transport Package

Air /Sea Freight

Specification

CE, ISO9001

Trademark

WREN or OEM

Origin

Zhejiang, China

HS Code

8413810090

Production Capacity

10, 000 PCS Each Year

Key features

High Precision Hydraulic Tensioning: Provides accurate bolt tensioning with working pressure up to 1,500 bar for various bolt sizes.

Spring Return Mechanism: Features automatic or manual retract options for efficient operation and quick tool removal.

Wide Application Range: Suitable for petroleum, construction, and metallurgy industries with semi-automatic grade.

Robust Load Capacity: Supports tool loads from 160 kN to 4,857 kN across multiple models in the HSR series.

Certified Quality Standards: Manufactured with ISO and CE certifications ensuring safety and reliability in operations.

Customization Options: Offers OEM/ODM services including customization from samples, designs, and flexible adjustments.

Compact and Portable Design: Lightweight construction ranging from 2.5 kg to 74 kg, facilitating easy transport and use.

Company profile

Management CertificationIn-stock CapacityFast DeliveryLow MOQ

Hangzhou WREN Hydraulic Equipment Manufacturing Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 2 years CertifiedNearest Port: Shanghai port, Ningbo portAverage Response Time: ≤4.59h

AI-Powered supplier vetting

SummaryThe supplier manufactures hydraulic power machinery and components and provides related design, development, sales, and leasing services. It reports ISO 9001:2015 certification, more than 10 production lines, 50 quality-control staff, and stated annual outputs of 10,000 pieces each for hydraulic torque wrenches, cylinders, and pumps. Customization and ODM services are available, with six years of R&D engineer experience reported. The supplier states that it serves steel, shipbuilding, power, petroleum, chemical, railway, rubber, and other engineering industries, and has distributors in several countries and OEM customers internationally. However, after-sales service controls lack written procedures and records, no new products were introduced in the past year, overseas support infrastructure is absent, and ongoing batch quantity reconciliation is not performed.

Supplier typeThe supplier’s stated business scope covers manufacturing hydraulic power machinery and components, wind-power specialized tools, and related design, development, sales, and leasing activities. This identifies it as a manufacturer and equipment solution provider rather than solely a trading company.

CertificationsThe supplier reports holding an ISO 9001:2015 certificate for its management system. This is explicit certification evidence, although the provided information does not specify the certification scope or validity period.

After-Sales capabilityThe supplier reports 67 qualified service-capability suppliers and provides some approved-supplier names, but it has no written procedures or records for corrective and preventive actions or effective customer complaint handling. It also reports no overseas warehouse, showroom, agent, or branch services, indicating limited documented and overseas after-sales infrastructure.

R&D capabilityThe supplier reports six years of total R&D engineer experience, one national science and technology progress award, and ODM capability. However, it also states that no new product was developed in the past year and that no SDK is available, so the evidence supports some technical capability but not strong current innovation performance.

Production capacityProduction resources include NC and CNC machining, gear-hobbing, milling, grinding, heat-treatment, assembly, testing, and other equipment. The supplier reports more than 10 production lines, 18 manufacturing lines, 50 quality-control staff, stated outputs of 10,000 pieces each for three hydraulic product categories, and peak-season fulfillment within 15 working days; however, it does not continuously reconcile quantities for each batch or production volume.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full, minor, and flexible customization, as well as ODM services. These statements directly support broad customization capability.

Client casesThe supplier states that its products are used in steel, shipbuilding, power, petroleum, chemical, railway, rubber, and other engineering industries, and that it has distributors in America, Japan, Germany, Australia, and Russia. It also reports OEM customers in multiple countries and exports representing 51%–70% of total sales, but no named customer cases or independently verifiable project details are provided.

Product Q&A

Q:How about the sample order?

We can provide the sample price, please contact us for details.

Q:Which shipping method is available?

By sea, by air, or by express (DHL, UPS, FedEx). Other shipping methods are also available, please contact us for details.

Q:How long is the delivery [production] and shipment?

The delivery time depends on the quantity you ordered. Shipped from the factory, within three days for standard parts and within 10 days for non-standard parts.

Q:My package is missing some products, what can I do?

Please contact our support team, we will confirm the contents of your order with the packaging, and compensate for the shipment. We apologize for the inconvenience.

Q:How to confirm the payment?

We accept T/T payment method. The first type is 30% deposit order confirmed, and the remaining 70% is paid before shipment, and the second type is 100% paid before shipment. Other payment methods are also acceptable, please contact us before you pay by other payment methods.