High Strength 12.9 Class Grade Excavator Dozer Track Bolt&Nut

Name: High Strength 12.9 Class Grade Excavator Dozer Track Bolt&Nut
Brand: Quanzhou Zhongkai Machinery Co., Ltd.
SKU: 1976011511

Fujian, ChinaQuanzhou Zhongkai Machinery Co., Ltd.

US$6.00

50-99 Pieces

US$3.45

100-999 Pieces

US$2.85

1,000-9,999 Pieces

US$2.465

10,000+ Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Support

Warranty

Online Support

Type

Bolt and Nut

Application

Excavator

Certification

CE, ISO9001: 2000

Condition

New

Material

40cr Steel

Grade

12.9

Colors

Yellow or Black & Customized.

Finish Surface Treatment

Smooth and Painting

Manufacturing Techniqu

Forging, Casting, Machining, Heat Treatment, Assem

Applicable Industries

Machinery Repair Shops, Other, Retail, Constructio

Transport Package

Standard Exported Wooden Crate

Specification

Standard

Trademark

Z. K. M/UCMAN/Customized

Origin

Quanzhou

HS Code

843149

Production Capacity

50000000

Key features

High Strength Grade: 12.9 Class Grade bolts and nuts made from 40Cr/35CrMo/42CrMo/45 steel.

Customized Colors: Available in Black, Yellow, or fully customized color options.

Multiple Certifications: Certified with CE and ISO9001:2000 standards for quality assurance.

Versatile Applications: Suitable for excavators, bulldozers, and various other heavy machinery.

Online Support: Provides online after-sales service and warranty support.

Diverse Manufacturing: Produced via forging, casting, machining, heat treatment, and assembly.

Quality Assurance: Strict quality control with testing every piece before shipping.

Company profile

R&D CapabilitiesIn-stock CapacityFast DeliveryHigh Repeat Buyers Choice

Quanzhou Zhongkai Machinery Co., Ltd.

Fujian, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤0.62h

AI-Powered supplier vetting

SummaryQuanzhou Zhongkai Machinery Co., Ltd. is identified as both a trading company and manufacturer/factory in Fujian, China. It reports broad customization and ODM capabilities, recent new-product activity, OEM service for well-known brands, and production capacity for track rollers, track links, idlers, sprockets, and top rollers. Export sales represent 51%–70%, with markets spanning multiple regions. However, quality assurance and traceability status are unknown, quality-control test equipment is reported as zero, and only one R&D engineer is listed. The supplier has no overseas warehouses, showrooms, agents, or branches, but has attended Bauma China. Financial credibility, certifications, and specific customer cases cannot be adequately verified from the provided information.

Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory, operating as a limited company in Fujian, China. This indicates a combined manufacturing and trading business structure.

After-Sales capabilityThe supplier reports that its technology engineer provides technical support for after-sales service and that it has a clear customer-complaint procedure with follow-up records. However, it has no overseas warehouse, showroom, agent, or branch, which limits documented local service infrastructure.

R&D capabilityThe supplier reports new products within the past year, ODM service, and an R&D engineer responsible for new product development and technical support. Evidence is limited by the listing of only one R&D engineer and no available SDK; quality-control test equipment is also reported as zero.

Production capacityReported annual output includes 150,000 track rollers, 8,000 track links, 8,000 idlers, 5,000 sprockets, and 5,000 top rollers. The supplier also serves broad export markets and reports 51%–70% of sales from exports, supporting evidence of established production and international supply capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, together with ODM services. These statements provide direct evidence of broad customization coverage.

Product Q&A

Q:Are you a factory or a trade company?

We are a factory and trade integration business, with our factory located in Quanzhou City, Fujian Province.

Q:What are the payment terms and delivery terms?

Payment: 30% T/T in advance, balance T/T before delivery. Delivery: Generally LCL with CIF or EXW; LCL also available with FOB or CIF. Terms are negotiable.

Q:What is the delivery time?

FOB Xiamen or other ports: 25-30 days after receiving advance payment. If in stock, delivery takes 0-7 days. Actual time depends on items and quantity.

Q:How can I ensure the part fits my excavator?

Provide the model number, machine serial number, part numbers, or dimensions/drawing. We also have excellent testers to check every piece for quality.

Q:What are the product quality types available?

We offer three types: Economic (6 months guarantee, <20 tons), Standard (12 months guarantee, <20 tons), and Heavy Duty (12 months guarantee, >30 tons).