How long is the lead time for production?

The average lead time is within 15 workdays, regardless of whether it is peak season or off-season.

What is the warranty or quality guarantee?

We conduct random visual and function inspections on finished products, backed by 2 dedicated QA/QC inspectors.

Aluminum Alloy Double Diaphragm Set Screw Coupling Glj-39X47

Name: Aluminum Alloy Double Diaphragm Set Screw Coupling Glj-39X47
Brand: Changzhou Suma Precision Machinery Co., Ltd.
SKU: 1972036085

Jiangsu, ChinaChangzhou Suma Precision Machinery Co., Ltd.

US$5.00-25.00

1 Piece

Product profile

Customization

Available

Standard Or Nonstandard

Standard

Shaft Hole

3-38

Model NO.

GLJ-39x47

Torque

1-60

Bore Diameter

3-38

Speed

9000-10000

Structure

Flexible

Material

Aluminum

Type

Clamp Rigid Coupling

Product Name

Gw Clamp Rigid Coupling Spring Coupling From Chang

OEM

Market

Global

Transport Package

Single Box or as Your Requirements

Specification

Trademark

SUMA

Origin

Changzhou, Jiangsu, China

HS Code

84836000

Production Capacity

100000PCS/Month

Key features

High Torque Rigidity: Accurately controls shaft rotation for high-precision servo and stepping motor applications.

Zero Backlash Design: No gap between shaft and sleeve connection, suitable for positive and negative rotation.

High-Speed Performance: Low inertia design supports speeds up to 10,000 RPM for efficient operation.

Durable Spring Steel: Diaphragm made of spring steel with excellent fatigue resistance for long life.

OEM/ODM Support: Accepts OEM orders and offers full customization from designs or samples.

Flexible Structure: Aluminum alloy construction with keyway design and set screw fastening.

Global Supply: Manufacturer with 11 years export experience and worldwide market coverage.

Strict Quality Control: 2 QA/QC inspectors ensure random visual and function inspection for all products.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceExhibition ExperienceQuality Assurance

Changzhou Suma Precision Machinery Co., Ltd.

Jiangsu, 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: 11 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.55h

AI-Powered supplier vetting

SummaryChangzhou Suma Precision Machinery Co., Ltd. is a China-based limited company established in 2012, with 23 employees and operations in manufacturing-related machinery. It supplies bearings, clutches, backstop clutches, and washers, and reports machining, CNC grinding, and CNC turning equipment. The supplier demonstrates broad customization, recent new-product activity, ODM capability, and OEM service for recognized brands. Quality controls include product inspection instructions, raw-material traceability, and maintained procedures. Export experience is substantial, with 90% of sales reported as exports and 11 years of exporting, but no overseas warehouses, showrooms, agents, or branches. Service governance is weakly documented: no written procedures or records were reported for supplier assessment, corrective actions, or complaint handling. The provided slices do not establish certifications, detailed financial strength, or named customer cases. An audit by CTI is recorded, but the evaluation result is...

After-Sales capabilityThe supplier accepts multiple quotation and payment terms and reports average peak- and off-season lead times within 15 working days. However, it has no written procedures or records for complaint handling or corrective and preventive actions, and it has no overseas warehouse, showroom, agent, or branch; these facts indicate limited documented after-sales infrastructure.

R&D capabilityThe supplier reports that it had new products during the past year and provides ODM services, supporting active product-development capability. It also offers customization from designs and samples, but has no available SDK, so the innovation evidence is positive but not comprehensive.

Production capacityReported production resources include a machining center, CNC grinding machine, and CNC lathe. Finished products are inspected using instructions that are uniformly followed, with quality assurance, raw-material traceability, and maintained quality-control records; however, the slices do not quantify capacity or output.

Customization capabilityThe supplier explicitly provides minor customization, full customization, customization from customer designs, and customization from samples. The same capabilities are reported in both the R&D and design-service information, providing direct evidence of broad customization coverage.