What are the lead times for production?

The average lead time is 1-3 months during peak season and one month during the off-season.

What surface hardness and treatment are provided?

The surface hardness ranges from HRC 50 to HRC 63 via quenching, with a surface finish of Ra1.6 to Ra3.2.

Where is the manufacturer located?

The manufacturer, Henan Xingyang Mining Machinery Manufactory, is located in Sanlizhuang Industrial Park, Zhengzhou, Henan, China.

High Strength 40cr Ball Mill Liner Hex Head Bolts

Name: High Strength 40cr Ball Mill Liner Hex Head Bolts
Brand: Henan Xingyang Mining Machinery Manufactory
SKU: 1944540442

Henan, ChinaHenan Xingyang Mining Machinery Manufactory

US$3.00-8.00

1 Piece

Product profile

Customization

Available

After-sales Service

12mouths

Warranty

1 Year

Model NO.

M30

Certification

CE, ISO 9001:2008

Standard

GB, GOST

Surface Treatment

Without Processing

Manufacturing Process

Casting

Material

Alloy Steel

Transport Package

Container

Specification

OEM

Trademark

XKJ

Origin

He Nan

HS Code

8474209000

Key features

Customizable Gear Parameters: Teeth height, thickness, pitch, and pressure angle are fully OEM/customized.

High Strength Material: Made from 42CrMo/45# steel or customized alloy steel with sand casting method.

Strict Quality Control: 100% finished product inspection with UT/MT testing and professional QA/QC.

Wide Application Range: Suitable for Ball Mills, Rotary Kilns, Dryers, Gearboxes, and Reducers.

Professional Manufacturing: Specialized in wear-resist castings with strong casting and heat treatment ability.

Certified Quality: Products certified with CE and ISO 9001:2008 standards for reliability.

Flexible OEM Service: Full customization options available for teeth shape, hardness, and surface finish.

Durable Surface Treatment: Surface hardness HRC 50-63 via quenching, with Ra1.6~Ra3.2 finish.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceODM Services

Henan Xingyang Mining Machinery Manufactory

Henan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Full Customization CertifiedExport Year: 20 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.35h

AI-Powered supplier vetting

SummaryThe supplier demonstrates formal management-system certification, quality assurance, ODM/OEM capability, private mold ownership, 3D design services, and full customization. It also reports 10 R&D engineers, 30 qualified service-capability suppliers, and a repeat-buyer preference of 50%–80%. However, it has no valid manufacturing-capacity contract with related subcontractors, no inventory, overseas warehouse, overseas showroom, overseas agents or branches, or overseas service coverage. The supplier lacks written procedures or records for supplier assessment, corrective and preventive actions, and customer complaints; it also lacks raw-material traceability and ERP-based process management. No new products were launched during the past year, and there is no SDK availability. Customer-case evidence is limited because no Fortune 500 cooperation or offline trade-show participation is reported.

Supplier typeThe supplier appears to be a professional technical manufacturer with ODM and OEM services, private mold capability, 3D software design, and full customization. It has no overseas agents or branches, no overseas warehouse or showroom, and no overseas service coverage, indicating a primarily domestic service structure.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications. These explicitly demonstrate management-system certification coverage across quality, occupational health and safety, and environmental management.

After-Sales capabilityThe supplier has no overseas service network, inventory service, overseas warehouse, overseas showroom, or overseas agents and branches. It also has no written procedures or records for handling customer complaints or corrective and preventive actions, which is an explicit weakness in structured after-sales support.

Production capacityThe supplier offers multiple quotation terms and reports 30 qualified service-capability suppliers, but it has no valid manufacturing-capacity contract with related subcontractors and no inventory capacity. Peak-season lead-time data is internally unclear, while the lack of written supplier-assessment procedures, traceability, and ERP integration indicates production-control weaknesses.

Customization capabilityThe supplier explicitly provides ODM services, OEM services for well-known brands, private mold designs, 3D software design, and full customization. These capabilities directly support customized product development and manufacturing.

Product Q&A

Q:What materials are used for the ball mill liners and bolts?

The materials include 42CrMo, 45# steel, or customized alloy steel, manufactured using sand casting methods.

Q:Can the gear parameters be customized?

Yes, OEM/Customized options are available for teeth height, thickness, pitch, addendum, dedendum, working height, bottom clearance, pressure angle, and helix angle.

Q:What is the warranty period for these products?

The warranty period is 1 year, with after-sales service available for 12 months.

Q:What certifications do the products hold?

The products are certified with CE and ISO 9001:2008 standards.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 piece.