What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is the lead time for production?

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

What surface treatment options are available?

Standard surface treatment is without processing, but we also offer polishing, sand blasting, and heat treatment options like quenching and carburizing.

M48 Bolt High Strength Countersunk Bolts

Name: M48 Bolt High Strength Countersunk Bolts
Brand: Henan Xingyang Mining Machinery Manufactory
SKU: 1944541022

Henan, ChinaHenan Xingyang Mining Machinery Manufactory

US$4.00-10.00

1 Piece

Product profile

Customization

Available

After-sales Service

12mouths

Warranty

1 Year

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

OEM/ODM Customization: Full customization available for gear teeth, material, and dimensions.

High Hardness Range: Surface hardness HRC 50-63 via quenching; HB 150-280.

Wide Gear Specifications: Module m 5-70; Diameter >1m; Weight >100kg per piece.

Premium Material Options: Made from 42CrMo or 45# steel with sand casting method.

Strict Quality Control: 100% finished product inspection including UT and MT testing.

Certified Manufacturer: CE and ISO 9001:2008 certified with 20 years export experience.

Versatile Applications: Suitable for Ball Mills, Rotary Kilns, Dryers, and Gearboxes.

Professional Manufacturing: 80,000 sqm factory with 160+ machines and 10 R&D engineers.

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: ≤3.09h

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 customization options are available?

We offer full customization including OEM/ODM services. Gear teeth, material (42CrMo/45# steel), module, diameter, and weight can be customized according to your requirements.

Q:What is the warranty period for these products?

We provide a 1-year warranty for our products. Additionally, after-sales service is available for 12 months.

Q:What are the main applications for these gears?

These gears are primarily used in Ball Mills, Rotary Kilns, Dryers, Gearboxes, and Reducers.

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

The minimum order quantity is 1 piece.

Q:What certifications do your products have?

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