What materials and finishes are available?

Material is Stainless Steel. Finishes include Plain, Galvanized, Passivation, HDG, and Nickel Plated.

What sizes are available for these bolts?

Available diameters include M5, M6, M8, M10, M12, M16, and M20.

Cup Square Screws & Hex Nuts Saucer-Head Bolt DIN 603 Carriage Bolt

Name: Cup Square Screws & Hex Nuts Saucer-Head Bolt DIN 603 Carriage Bolt
Brand: Ningbo Mianxuan Import &Export Co., Ltd.
SKU: 2166111365

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

Stainless Steel

Type

Round Head

Model NO.

DIN 603

Connection

Common Bolt

Head Style

Round

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

7318159001

Production Capacity

1000tons Per Month

Key features

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

Diverse Material Options: Stainless steel construction with various finishes like galvanized and nickel plated.

OEM/ODM Support: Professional CNC machining and custom parts services with design assistance.

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

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

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

Fast Delivery Options: Off-season lead time within 15 workdays; peak season one month.

Wide Application Scope: Suitable for building construction and various industrial applications.

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: ≤2.87hTerms 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 in Zhejiang, offering vehicle parts, CNC machining parts, metal stamping, castings, fasteners, and related 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 infrastructure is limited: no in-stock capability, overseas warehouse, or overseas showroom, while service assessment, complaint handling, and corrective-action procedures lack written records. Financial information is limited to year labels without substantive performance values. No customer cases are provided.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and a limited company based in Ningbo, Zhejiang, China. Its stated product scope covers vehicle parts, CNC machining parts, metal stamping, castings, fasteners, plastic parts, and rubber parts, supporting classification as a diversified manufacturing supplier.

CertificationsThe supplier reports holding TS 16949 and ISO 9001 management-system certifications. It also states that each shipment will include an inspection report with a corresponding material certificate, indicating documented quality-related deliverables.

After-Sales capabilityThe supplier reports no in-stock service capability, overseas warehouse, or overseas showroom. It also has no written procedures or records for service assessment, complaint handling, or corrective and preventive actions, while contract status for manufacturing capacity is unknown.

Production capacityThe supplier operates more than 10 production lines, has 6–10 quality-control staff, and offers a broad metal, machining, casting, plastic, rubber, and vehicle-parts scope. It lists Ningbo and Shanghai ports, 21 qualified suppliers for service capability, and a one-month off-season lead time; peak-season lead-time data is inconsistently stated, limiting a complete capacity assessment.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization, in addition to ODM services. These options directly support customized product development, although no evidence is provided for SDK-based development or OEM service for popular brands.

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 picture and videos which show the machining progress.

Q:What is the lead time for production?

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