What materials are used for these bolts?

The bolts are made from Stainless Steel SS304 and SS316.

Are samples available?

Yes, samples are available for quality verification before bulk orders.

ASME B 18.2.1 ASTM A307 A354 A394

Name: 3/8*50mm Stainless Steel SS304 S316 Hex Bolt ANSI/ASME B 18.2.1 ASTM A307 A354 A394
Brand: Ningbo Mianxuan Import &Export Co., Ltd.
SKU: 2073262475

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

US$0.10-1.00

1,000 Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Model NO.

ANSI/ASME B 18.2.1

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

A2-70 A4-70

Thread

Unc, Unf, Un, Metric Coarse, Fine

Surface

Plain, Zinc Plated (Blue, White, Black, Yellow), N

Ppap

1 2 3 4 5

Ppm

200 150 100 50

Feature

One-Stop Services

Test

Professional Equipments

Transport Package

Bulk Packaging, Small Box(Glue Box, Color Box)

Specification

M2.5-M56

Trademark

MIANXUAN

Origin

Ningbo Zhejiang

HS Code

7318159001

Production Capacity

50000000PCS/Year

Key features

Custom Thread Options: Supports UNC, UNF, UN, Metric Coarse, and Fine threads.

Custom Surface Treatment: Available in Plain, Zinc Plated (Blue, White, Black, Yellow).

High-Grade Materials: Made from SS304 and SS316 Stainless Steel for durability.

Fast Response Time: Customer service and technical support within 2 hours.

Standard Stock Availability: Full stock maintained for almost all standard fasteners.

Flexible MOQ Policy: MOQ depends on client needs; trial orders are welcome.

Production Transparency: Weekly reports with digital pictures and videos provided.

Professional Team: Experienced team in production, inspection, and design.

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: ≤3.14hTerms 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 to get 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 the client's needs, and we welcome trial orders before mass production.

Q:What payment terms are accepted?

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

Q:How can I track my product progress?

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

Q:What are the lead times for delivery?

Peak season lead time is one month, while off-season lead time is within 15 workdays.