How do you control quality?

(1) Material Inspection - Check material surfaces and approximate dimensions. (2) First inspection of production - ensure. critical dimensions in mass production. (3) Sampling inspection - check the quality before delivery to the warehouse. (4) Preshipment inspection - 100% inspection by QC assistant before shipment.

What is the after sales service?

If you have any problems after receiving the product, you can provide feedback through voice call, video conference, email, etc. within one month. Our team will provide you with solutions within a week.

High Precision 40cr 20crmo Steel Metal Main Gear for Auto Gearbox

Name: High Precision 40cr 20crmo Steel Metal Main Gear for Auto Gearbox
Brand: Wenling Huirong Machinery Co., Ltd.
SKU: 2165263245

Zhejiang, ChinaWenling Huirong Machinery Co., Ltd.

US$5.00-15.00

200 Pieces

Sample price:US$13.00/piece.Request sample

Product profile

Customization

Available

Application

Electric Cars, Motorcycle, Machinery, Toy, Agricultural Machinery, Car

Hardness

Hardened Tooth Surface

Model NO.

Hr238

Gear Position

External Gear

Manufacturing Method

Rolling Gear

Toothed Portion Shape

Spur /Helical Gear

Material

45#,20crmo,40cr,20crmnti,20cr,20mncr5,35CrMo,38crm

Type

Circular Gear

Teeth

From Z15 to Z150

Max Helix Angle

0-45°

DIN Class Level

DIN6-7

Standard

DIN JIS ASTM GB

Certifications

CE,IATF16949,ISO9001,ISO14001 ,ISO45001 etc

Processing

CNC Machining,Turning,Milling,Stamping,Grinding

Tolerance

CNC Machining:+/-0.001 to 0.005mm

Lubricating

Lubricating Oil

Macro Hardness

55-62HRC

Transport Package

Plywood or Carton Box

Specification

customized

Trademark

Huirong

Origin

Taizhou, China

HS Code

8483409090

Production Capacity

500000 PCS/ Year

Key features

Diverse Material Options: Available in 45#, 20crmo, 40cr, 20crmnti, 20cr, 20mncr5, 35CrMo, 38crm for varied needs.

Customizable Gear Teeth: Teeth count customizable from Z15 to Z150 to fit specific transmission ratios.

Wide Helix Angle Range: Max helix angle adjustable from 0 to 45 degrees for optimal power transmission.

High Precision Tolerance: CNC machining tolerance ranges from +/-0.001 to 0.005mm for high accuracy.

Comprehensive Certifications: Holds CE, IATF16949, ISO9001, ISO14001, ISO45001 certifications for quality assurance.

Core Component Warranty: Core components covered by a warranty of more than 5 years for peace of mind.

Advanced Heat Treatment: Processes include high frequency quenching, hardening, tempering, and carburizing.

Multiple Surface Treatments: Options include blacking, polishing, anodization, chrome, zinc, and nickel plating.

Company profile

Importers and ExportersRaw-Materials TraceabilityQA/QC InspectorsR&D Capabilities

Wenling Huirong Machinery Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier is a combined manufacturing business focused on mechanical parts, gears, gear reducers, transmissions, and bearings. It demonstrates broad customization and ODM capability, five R&D engineers, recent new-product activity, seven production lines, and multiple gear-processing and machining facilities. Quality-related procedures are documented for supplier approval updates, corrective and preventive actions, customer complaints, and finished-product inspection. However, it lacks in-stock capacity, overseas warehouses, overseas agents or branches, overseas showrooms, offline trade-show participation, and SDK availability. International trade experience is limited to one year, with four export-trade staff and one staff member having over ten years of experience. No cooperation with Fortune 500 or well-known brands is reported. Financial records are identified for 2021–2023, but the provided slices do not establish financial strength.

Supplier typeThe supplier is identified as a combined company. Its stated business scope covers mechanical parts and parts processing, gear and gear-reduction and transmission manufacturing, and bearing manufacturing, indicating a manufacturing-oriented industrial supplier.

After-Sales capabilityThe supplier has clear procedures and followed records for corrective and preventive actions and customer complaints. However, it reports no in-stock service capacity, overseas warehouse, overseas showroom, overseas agents or branches, and zero countries with overseas services, limiting demonstrated international service coverage.

R&D capabilityThe supplier reports new products during the past year, ODM services, five R&D engineers, and one national science and technology progress award. It does not have an available SDK, but the broader evidence supports demonstrated R&D and innovation activity.

Production capacityProduction resources include seven production lines, gear hobbing, gear grinding, gear shaping, gear shaving, grinding, machining-center, and CNC-lathe facilities. The supplier also reports valid manufacturing contracts with each related subcontractor, although it lacks in-stock capacity.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, and also provides ODM services. These repeated capabilities indicate broad product-development and customization coverage.

Client casesThe supplier reports no OEM service for well-known brands, no cooperation with Fortune 500 companies, and only one year of international trade and export experience. A repeat-buyer preference of 80%–100% is reported, but no named customer cases or verifiable reference accounts are provided.

Product Q&A

Q:Are you a manufacturer or a trading company?

We are a factory located in Zhejiang, China, with 20 years of rich experience, covering more than 10000 square meters. Complete facilities, including 3D quality inspection equipment, MES system and 100 machines. If necessary, we can provide you with material certificates, sample quality inspection and other reports.

Q:How to get a quote?

Detailed drawings (PDF/STEP/IGS/DWG...), including delivery date, materials, quality, quantity, surface treatment and other information.

Q:Can I get a quotation without drawings?

Of course, we are also glad to receive your samples, pictures or detailed size drafts for accurate quotation.

Q:Can you provide samples before mass production?

Of course, the sample fee is necessary. If possible, it will be returned during mass production.

Q:What is the delivery date?

Generally, the sample lasts for 1-2 weeks and the batch production lasts for 3-4 weeks.