What certifications or standards do you follow?

Our products comply with DIN, ANSI, GB, JIS, BSW, and GOST standards.

What materials are used for these bolts?

The bolts are made of Stainless Steel with Grade 8.8.

High Quality Half Screw DIN 931 Gr8 Nut Threaded 12 Head Hexagonal Thread Hex Bolts

Name: High Quality Half Screw DIN 931 Gr8 Nut Threaded 12 Head Hexagonal Thread Hex Bolts
Brand: Ningbo Mianxuan Import &Export Co., Ltd.
SKU: 2142422425

Zhejiang, ChinaNingbo Mianxuan Import &Export Co., Ltd.

US$0.04-1.00

1,000 Pieces

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Model NO.

DIN 931

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

8.8

Application

Building

Finish

Plain, Galvanzied, Passivation, HDG, Nickel Plated

Color

Customized

Diameters

M5 M6 M8 M10 M12 M16 M20

Thread

Full Thread/Half Thread

After-Sale Service

Available

Transport Package

Carton or Wooden Boxes

Specification

Trademark

Mianxuan

Origin

Zhejiang, China

HS Code

7315189001

Production Capacity

1000tons Per Month

Key features

Customizable Dimensions: Available in diameters M5 to M20 with full or half thread options.

Multiple Finish Options: Plain, Galvanized, Passivation, HDG, and Nickel Plated finishes available.

OEM & Engineering Support: Full engineering support and professional OEM CNC parts services.

Advanced Manufacturing: Complete production lines for turning, milling, and surface treatment.

Strict Quality Control: Highly qualified inspection department ensures strict quality standards.

Flexible MOQ Policy: MOQ depends on client needs; trial orders welcome before mass production.

Transparent Production Tracking: Weekly reports with digital pictures and videos of machining progress.

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

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceR&D CapabilitiesODM Services

Ningbo Mianxuan Import &Export Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2014-07-01Nearest Port: Ningbo, Zhapu, ShanghaiAverage Response Time: ≤4.43hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryNingbo Mianxuan Import & Export Co., Ltd. is identified as a China-based manufacturer/factory offering vehicle parts, CNC machining, stamping, casting, die-casting, fasteners, plastic, and rubber products. It reports TS 16949 and ISO 9001 certifications, more than 10 production lines, 6–10 quality-control staff, and shipment inspection reports with material certificates. The supplier provides 3D software design, ODM, and several customization options, but reports no new products in the past year, no SDK, and no OEM service for popular brands. Service-management documentation is weak: no written procedures or records are reported for assessments, corrective actions, or complaint handling. It has no in-stock capability, overseas warehouse, or overseas showroom. Financial records are indicated for 2023–2025, but their results are not provided, so financial credibility cannot be determined. No customer cases are supplied.

Supplier typeThe supplier is explicitly identified as a manufacturer/factory and limited company in Ningbo, Zhejiang, China. Its stated scope covers fasteners, metal products, machinery, vehicle parts, CNC machining, stamping, casting, die-casting, plastic, and rubber parts, indicating broad manufacturing and industrial-product coverage.

CertificationsThe supplier reports holding TS 16949 and ISO 9001 management-system certifications. It also states that each shipment will include an effective inspection report and corresponding material certificate, providing explicit evidence of documented quality-related controls.

After-Sales capabilityThe supplier reports no written procedures or records for service-capability assessment, corrective and preventive actions, or effective customer-complaint handling. It also lacks in-stock service, overseas warehouse, and overseas showroom capabilities, indicating a documented weakness in after-sales and service infrastructure.

Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, and a product range spanning vehicle parts, CNC machining, stamping, casting, die-casting, fasteners, plastic, and rubber parts. It is located near Ningbo and Shanghai ports and reports 21 qualified suppliers, but has no inventory capability and peak-season lead-time data is inconsistent or unclear.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, 3D software design services, and ODM services. These statements provide direct evidence of broad product and design customization capability.

Product Q&A

Q:What information is needed for a quote?

Please provide 2D or 3D drawings (including material, dimension, tolerance, surface treatment, and technical requirements), quantity, application, or samples.

Q:What is the Minimum Order Quantity (MOQ)?

MOQ depends on client needs. We welcome trial orders before mass production.

Q:What payment terms are accepted?

We accept T/T, L/C, Escrow, PayPal, Western Union, and Moneygram.

Q:How can I track my product progress?

We provide a detailed product schedule and send weekly reports with digital pictures and videos showing machining progress.

Q:What is the lead time for production?

Off-season lead time is within 15 workdays, while peak season lead time is one month.