What payment methods do you accept?

We accept LC, T/T, PayPal, Western Union, Money Gram, Veems, and small-amount payments.

What is the measurement of the pin?

The measurement is 35.7mm by 163mm.

How long has the company been in business?

The manufacturer has over 28 years of experience in the industry.

Heavy Machine Bolt and Nut 21n-70-37731 Pin

Name: Heavy Machine Bolt and Nut 21n-70-37731 Pin
Brand: Ningbo Beneparts Machinery Co., Ltd.
SKU: 821106115

Zhejiang, ChinaNingbo Beneparts Machinery Co., Ltd.

US$1,000.00

10-99 Pieces

US$800.00

100+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Type

Fasterner

Application

Heavy Machinery

Model NO.

21N-70-37731

Certification

Condition

New

Part No.

21n-70-37731

Material

40cr

Hardness

HRC38-42

Machine

PC750

Transport Package

According to Customer Requirements

Specification

35.7mm*163mm

Trademark

OEM

Origin

China

HS Code

7318240000

Production Capacity

500tons/Year

Key features

Precision Forged Material: Made from 40Cr steel with HRC38-42 hardness via forging process.

Exact Part Specification: Part No. 21N-70-37731, measuring 35.7mm*163mm for PC750 machines.

CE Certification: Product meets CE safety and quality standards for heavy machinery.

OEM/ODM Capability: Custom development available based on customer drawings and samples.

Fast Delivery: Off-peak lead time within 15 workdays; peak season within one month.

28 Years Experience: Manufacturer with over 28 years of experience in high-tech parts.

Quality Monitoring: Advanced facilities including impact and tensile strength testing machines.

Wide Compatibility: Suitable for excavators, bulldozers, loaders, and other earthmoving equipment.

Company profile

Ningbo Beneparts Machinery Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2014-10-01Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤0.48hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP

AI-Powered supplier vetting

SummaryNingbo Beneparts Machinery Co., Ltd. is identified as both a trading company and manufacturer/factory in China, with stated manufacturing experience in precision castings and ground-engaging tools. The supplier reports ISO 9001 certification, four production lines, 11–20 quality-control staff, annual ground-engaging-tool productivity of 10,000 tons, and broad export coverage. It claims stocked inventory, drawing- or sample-based development, 3D design and tooling within 15–20 days, prompt delivery, tensile and hardness validation, and after-sales service. However, the available trade record is limited to three transactions and one associated buyer name, while financial credibility cannot be assessed from the non-financial information provided.

Supplier typeThe supplier is classified as a trading company in one record and as both a trading company and manufacturer/factory in another. Its stated business scope and manufacturing description support a mixed trading-and-manufacturing profile, although the records also show differing location details.

CertificationsThe supplier is explicitly reported to hold ISO 9001 certification. This provides evidence of a certified quality-management system, but no additional certifications are listed.

After-Sales capabilityThe supplier explicitly claims stellar after-sales service and states a one-year service or warranty-related offering, although the provided excerpt does not specify the detailed coverage or response process. The stated claims support a positive assessment.

R&D capabilityThe supplier states that it has produced precision castings since 1989, operates two precision-casting process lines, has 6–10 years of total R&D-engineer experience, and developed 500 new ground-engaging tools in the prior year. These statements provide explicit evidence of product-development and engineering capability.

Production capacityThe supplier reports four production lines, 11–20 quality-control staff, two precision-casting process lines, and annual ground-engaging-tool productivity of 10,000 tons. It also states lead times of within 15 working days in off-peak periods and one month during peak periods, indicating established production capacity.

Customization capabilityThe supplier states that it can develop parts from customer drawings or samples and provide 3D designs for accurate fitment or new tooling within 15–20 days. Its stated ability to validate tensile strength, yield strength, hardness, and microstructures further supports customized-part development and verification.