12 Point Cylinder Head Bolt Class 12.9 Black for Engine

Name: 12 Point Cylinder Head Bolt Class 12.9 Black for Engine
Brand: Zhejiang Ruizhao Technology Co., Ltd.
SKU: 731332922

Zhejiang, ChinaZhejiang Ruizhao Technology Co., Ltd.

US$0.50

10,000-49,999 Pieces

US$0.25

50,000+ Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

SLD923NF

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, Accept Non-Standard

Grade

8.8/10.9/12.9/5/8/9

Application

Machinery, Chemical Industry, Environmental, Building, Automotive Industry

Finish

Color-Zinc Plated

Thread

Metric or Inch

Thread Type

Fine / Coarse /Bsw/Bsf/ Unc/Unf

8.8 Hardness

HRC 22-32

8.8 Tensile Strength

Above 800 MPa

8.8 Yield Strength

Above 640 MPa

10.9 Hardness

HRC 33-38

10.9 Tensile Strength

Above 1040 MPa

10.9 Yield Strength

Above 940 MPa

12.9 Hardness

HRC 39-45

12.9 Tensile Strength

Above 1200MPa

Transport Package

Carton Packing + Pallets

Specification

M6 to M20

Trademark

Origin

Wenzhou China

HS Code

731518

Production Capacity

600tons / Month

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-brandedPatents Awarded

Zhejiang Ruizhao Technology Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 Years CertifiedNearest Port: Ningbo Port, ShanghaiPortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company in Longwan District, Wenzhou, with a business scope covering computer hardware, automotive products, metal products, and import/export activities. It reports broad customization, ODM services, recent new-product development, OEM services for recognized brands, and documented quality, complaint-handling, supplier-assessment, and corrective-action procedures. Production-related evidence includes multiple machining and coating facilities, although the company type and associated-company industry indicate a trading orientation. Certification evidence includes ISO14001 and ISO45001:2018, while no SDK is available. Overseas infrastructure is limited: no overseas warehouse, showroom, agent, or branch, and overseas service coverage is listed as zero. Customer evidence includes OEM work for known brands, but no Fortune 500 collaboration is reported.

CertificationsThe supplier reports ISO14001 and ISO45001:2018 certificates, along with other certification entries. The slices do not identify the scope, issuing bodies, validity, or whether a quality-management certification is held, so certification strength cannot be fully assessed.

After-Sales capabilityThe supplier has a clear customer-complaint procedure with implementation records and documented quality assurance and traceability practices. However, it reports no overseas warehouse, showroom, agent, or branch, and overseas service coverage is listed as zero, limiting demonstrated local after-sales infrastructure.

R&D capabilityThe supplier reports new products during the past year, ODM services, and broad design support. It also reports one national science and technology progress award, but has no available SDK and no internationally recognized design awards, so innovation capability is supported but technically limited in the provided evidence.

Production capacityThe supplier reports equipment and production lines including optical sorting, cold heading, thread rolling, tapping, CNC turning, and Dacromet coating. Finished-product inspection instructions are uniformly followed, and supplier assessment and corrective-action procedures have records; however, the supplier is also classified as a trading company, so the extent of directly owned production capacity is not fully clear.

Customization capabilityBoth service-capability records list customization from samples, designs, full customization, minor customization, and flexible customization. The supplier also reports ODM availability and recent new-product development, providing explicit evidence of broad customization support.

Client casesThe supplier reports OEM service for recognized brands and participation in the China (Indonesia) Trade Fair. It reports no Fortune 500 collaboration, no overseas agents or branches, and no overseas service coverage, so customer-case evidence exists but is limited in scope and detail.