What materials and standards are used?

Made from Carbon Steel, Grade 8.8, complying with DIN, ANSI, GB, JIS, BSW, and GOST standards.

Do you provide customization services?

Yes, we offer customized colors, diameters (M5-M20), thread types, and full OEM CNC machining support.

Steel Fasteners ASTM A325 High Strength Heavy Hex Structural Bolts

Name: Steel Fasteners ASTM A325 High Strength Heavy Hex Structural Bolts
Brand: Ningbo Mianxuan Import &Export Co., Ltd.
SKU: 2160599945

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

US$0.04-1.00

1,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

ASTM A325

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

8.8

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: Choose from Plain, Galvanized, Passivation, HDG, or Nickel Plated finishes.

OEM & Engineering Support: Full design assistance, 2D/3D drawing support, and prototype machining capabilities.

Strict Quality Control: Advanced inspection department ensures high standards for all mechanical parts.

Flexible Payment Terms: Accepts T/T, L/C, Escrow, PayPal, Western Union, and Moneygram.

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

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

Wide Market Reach: Exporting to North America, Europe, Asia, Africa, and Oceania since 2014.

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: ≤2.66hTerms 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.