Does the motor have any certifications?

Yes, the motor is certified with ISO9001, CE, RoHS, and ISO.

Jkm High Torque 1.8 Degree 57HS82 NEMA 23 Stepper Motor for 3D Printer

Name: Jkm High Torque 1.8 Degree 57HS82 NEMA 23 Stepper Motor for 3D Printer
Brand: CHANGZHOU JKONGMOTOR CO., LTD.
SKU: 1965453801

Jiangsu, ChinaCHANGZHOU JKONGMOTOR CO., LTD.

US$8.69

5-49 Pieces

US$7.45

50-199 Pieces

US$6.50

200+ Pieces

Sample price:US$8.69/piece.Request sample

Product profile

Customization

Available

Application

3D Printer

Speed

Low Speed

Number of Stator

Two-Phase

Excitation Mode

HB-Hybrid

Function

Driving

Number of Poles

Operate Mode

Two Phase

Type

Magnetic-Electric

Certification

ISO9001, CE, RoHS, ISO

Brand

Jkongmotor

Name

Jk57HS

Length

82mm

Max Axial Force

15n

Max. Radial Force

75n

Temperature Rise

80 Degree Max.

Radial Play

0.02mm Max. (450g Load)

End Play

0.08mm Max. (450g Load)

Inductance Accuracy

20%

Shaft

8 mm Round Shaft

Holding Torque

2.1n.M

Transport Package

Inner Pack and Poly and Master Carton and Pallet

Specification

20pcs per carton

Trademark

Jkongmotor

Origin

Jiangsu Changzhou

HS Code

8501109990

Production Capacity

50000piece/Month

Key features

High Holding Torque: JK57HS82 model delivers 2.1 N.m holding torque for high power applications.

Hybrid Excitation: HB-Hybrid excitation mode offers a balance of torque and smooth operation.

Robust Build Quality: 8mm round shaft with 0.02mm radial play and 0.08mm axial play for stability.

Certified Safety: Complies with ISO9001, CE, RoHS, and ISO standards for global market access.

Customization Options: Supports customization from samples, designs, and full customization services.

Low Noise Operation: Designed for low speed applications, ideal for quiet 3D printer environments.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceExperienced TeamSelf-branded

CHANGZHOU JKONGMOTOR 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: 13 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.77h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company with manufacturing, service, quality-control, R&D, and export-trade capabilities. It reports ISO9001:2015, ISO14001, and CE certification, seven quality-control personnel, seven R&D engineers, multiple customization options, ODM capability, and OEM service for well-known brands. However, its quality-control test-equipment count is stated as zero, finished-product inspections lack written records, and warehouse procedures lack supporting records. After-sales complaint handling and corrective/preventive-action processes have no written procedures or records. The supplier reports no overseas warehouse, showroom, agent, branch, or offline trade-show participation, and no new products in the past year. Financial information is limited to year labels rather than substantive financial results, so credibility cannot be fully assessed.

Supplier typeThe supplier is classified as a combined company and presents offerings across manufacturing, export trade, service, quality control, R&D, and sustainability. This indicates a broad stated operating scope, but the slice does not provide further legal or ownership detail.

CertificationsThe supplier reports ISO9001:2015 and ISO14001 certifications for its sustainable-development management system and CE certification capability for products. These are explicit certification-related credentials, although the slices do not provide certificate validity periods or scopes.

After-Sales capabilityThe supplier lists debugging, maintenance, repair, training, and equipment installation services, with lead times stated as within 15 workdays in both peak and off-season. However, it has no written procedures or records for customer complaint handling or corrective and preventive actions, and it reports no overseas warehouse, showroom, agent, or branch.

R&D capabilityThe supplier reports seven R&D engineers responsible for customer-request confirmation, new-product design, and technical support, and offers ODM services and multiple design customization modes. Against this, it states that no new products were developed in the past year and no SDK is available, indicating limited recent product innovation evidence.

Production capacityThe supplier lists manufacturing equipment and an assembly line, has seven quality-control inspectors, and reports lead times within 15 workdays in both peak and off-season. Nevertheless, its quality-control test-equipment count is stated as zero, finished-product inspections have instructions but no written records, and warehouse procedures lack relevant records.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These capabilities are stated consistently for both design services and R&D services, providing clear evidence of broad customization support.

Client casesThe supplier states that it provides OEM services for well-known brands, which is an explicit customer-experience indicator. However, no brand names, project details, product examples, or verifiable case descriptions are provided, so the depth of its customer-case evidence is limited.