What is the average lead time?

Peak Season Lead Time: one month; Off Season Lead Time: within 15 workdays.

ANSI/ASME B 18.3.1m Black Oxide Galvanized Hexagon Socket Head Screws

Name: ANSI/ASME B 18.3.1m Black Oxide Galvanized Hexagon Socket Head Screws
Brand: Ningbo Mianxuan Import &Export Co., Ltd.
SKU: 2063873395

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

Carbon Steel

Type

Round Head

Model NO.

ANSI/ASME B 18.3.1M

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS, GOST, BSW

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

M1.4 - M100

Trademark

MIANXUAN

Origin

Ningbo Zhejiang

HS Code

7318159001

Production Capacity

50000000PCS/Year

Key features

Wide Material Range: Carbon Steel, Alloy Steel, Stainless Steel SS201/SS304/SS316 available.

Multiple Grade Options: Grades 4.8 to 12.9 and A2-70/A4-70/A4-80 supported.

Custom Surface Treatment: Plain, Zinc Plated, Nickel Plated, Black Oxide, HDG, Dacromet.

Fast Response Time: Professional team offers response within 2 hours.

Large Scale Production: Annual output reaches 30,000 tons with mass production capability.

Full Stock Availability: Full stock for almost all standard fasteners for fast delivery.

Flexible Packaging: Bulk, small box, carton, or wooden pallet according to customer requirement.

Professional Team: Experienced production, quality inspection, package, design and sales team.

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: ≤3.67hTerms 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 do I need for offering a quote?

Please offer us 2D or 3D drawings (with material, dimension, tolerance, surface treatment and other technical requirement etc.), quantity, application or samples.

Q:What is your MOQ?

MOQ depends on our client's needs, besides we welcome trial order before mass-production.

Q:What kind of payment terms do you accept?

T/T, L/C, Escrow, paypal, western union, moneygram etc.

Q:Is it possible to know how is my product going on without visiting your company?

We will offer a detailed products schedule and send weekly reports with digital pictures and videos which show the machining progress.

Q:What are the available materials?

Carbon Steel, Alloy Steel, Stainless Steel SS201/SS304/SS316.