What is your delivery time?

Standard parts take 7-15 days. Non-standard parts take 15-25 days. We ensure delivery as soon as possible with guaranteed quality.

How to Custom-made (OEM/ODM)?

Send us new product drawings or samples, and we will custom-make the hardware as required. We also provide professional advice to maximize design performance.

What are your terms of packing?

Generally, we pack goods in neutral transparent bags, color boxes, or plastic boxes with cartons. If you have a legally registered patent, we can pack in your branded boxes after receiving authorization letters.

Which mode of transport would be better?

Since production is heavy, we advise delivery by sea. However, we respect your views on other transportation methods as well.

Durable Carbon Steel Bolts for Marine Structures with ISO 9001 (DIN 940)

Name: Durable Carbon Steel Bolts for Marine Structures with ISO 9001 (DIN 940)
Brand: Hengling Metal Products (Huzhou) Co., Ltd.
SKU: 2097931232

Zhejiang, ChinaHengling Metal Products (Huzhou) Co., Ltd.

US$0.28

1,000-4,999 Pieces

US$0.25

5,000-9,999 Pieces

US$0.15

10,000-49,999 Pieces

US$0.10

50,000+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Brass

Type

Countersunk Head

Model NO.

Carbon Steel Bolts

Connection

Hinged Bolts

Head Style

Round

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

8.8

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Blue-White Zinc Plated

Product Name

Carbon Steel Bolts

Material Types

Carbon Steel Q235 / S235jr / C45 / A36 / 10b21

Corrosion Resistance

Rust-Resistant or Galvanized Finishes

Strength Grade

Grade 8.8 or 10.9 for High-Strength Applications

Thread Specifications

Standard Unc or Metric Threads (e.g., M8, M10)

Bolt Type

Hex Bolts, Flange Bolts, Lag Bolts, or U-Bolts

Diameter Options

M6, M8, M10, M12, M14

Length Options

Customized Lengths Available for Specific Needs

Head Type

Hexagon, Round, Flat, or Countersunk Options

Surface Treatment

Zinc-Plated, Black Oxide, or Plain

Custom Sizes

Availability of Non-Standard or Custom-Sized Bolts

Quality Certification

Compliance with ISO, ASTM, or Other Relevant Stand

Compatibility

Compatible with Various Machinery and Equipment

Application Areas

Suitable for Construction, Automotive, and Enginee

Environmental Standards

Compliance with Environmental Regulations

Transport Package

Export-Compliant Packing/Moisture-Proof Packaging

Specification

Negotiable According to Buyer's Needs

Trademark

HENGLING

Origin

Zhejiang, China

Production Capacity

5000000 Pieces/Year

Key features

Customized Dimensions: Customized lengths and sizes available to fit exact project specifications.

High Strength Grades: Available in Grade 8.8 and 10.9 for heavy-duty and high-strength applications.

Wide Material Options: Carbon steel grades Q235, S235JR, C45, and stainless steel 300/316 series.

Quality Certification: Compliance with ISO 9001, ASTM, and other relevant international standards.

OEM/ODM Service: Full customization support including samples, designs, and non-standard parts.

Corrosion Resistance: Rust-resistant finishes including zinc plating, black oxide, and galvanized options.

Fast Delivery: Standard parts 7-15 days, non-standard 15-25 days with efficient logistics.

Versatile Applications: Suitable for marine, construction, automotive, and heavy machinery sectors.

Company profile

Importers and Exporters

Hengling Metal Products (Huzhou) Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤0.24h

AI-Powered supplier vetting

SummaryThe supplier is a combined hardware-processing and trading company offering screws, nuts, and fasteners. It reports broad customization, ODM and OEM capabilities, new products within the past year, six production lines, and seven years of export experience. Products can follow GB, DIN, ANSI, BS, and JIS standards and support various coating processes. However, quality and service controls show procedural weaknesses: finished-product inspections have instructions but no written records, and service procedures and corrective actions likewise lack records. The supplier has one quality inspector, no overseas warehouse, showroom, agents, branches, or offline trade-show participation, and does not continuously reconcile production quantities by batch or lot. Financial information is insufficient for assessment, and no specific customer names or case details are provided.

Supplier typeThe supplier is identified as a combined company whose business scope covers hardware processing and sales, fasteners, metal products, equipment, and related goods, while its offered products specifically include screws, nuts, and fasteners. This indicates a combined manufacturing/trading profile rather than a narrowly specialized entity.

After-Sales capabilityThe supplier has procedures for service assessment, corrective and preventive actions, and complaint handling, but no written records for these processes. It also has no overseas warehouse, showroom, overseas agents or branches, and has no stated overseas service countries, which limits demonstrated after-sales support capability.

R&D capabilityThe supplier reports new products within the past year, ODM services, and broad design customization. It does not have an available SDK, but SDK availability is not sufficient by itself to negate the demonstrated product-development and design-service capabilities.

Production capacityThe supplier reports six production lines, a cold-heading forming facility, and seven years of export experience, supporting established manufacturing capability for fasteners. Nevertheless, it does not continuously reconcile quantities by batch or lot, and only one quality assurance and control inspector is reported, indicating control limitations alongside the production capacity.

Customization capabilityThe supplier explicitly offers customization from samples, minor customization, customization from designs, full customization, and flexible customization. It also states that non-standard products can be customized and that various coating processes are available for screws, providing direct evidence of broad customization capability.

Product Q&A

Q:What are your main products and material supply?

Our main products include Screws, Bolts, Nuts, rivets, Special Non-standard studs, and CNC Machining parts. We supply Carbon Steel, Alloy Steel, Aluminum alloy, Stainless Steel, Brass, Copper, and Titanium alloy, or according to your requirement.

Q:When can I get the price?

We usually offer a quotation within 12 hours, and special offers within 24 hours. For urgent cases, please contact us directly by phone or email.

Q:If you cannot find the product you need on our website, how do I proceed?

You can send pictures, photos, and drawings by email for us to check availability. We develop new models monthly. Alternatively, send samples via DHL/TNT, and we can develop new models specifically for you.

Q:Can you strictly follow the tolerance on the drawing and meet high precision?

Yes, we can provide high-precision parts and manufacture them exactly according to your drawings.

Q:How should I order and make payment?

Payment is by T/T. For samples, 100% payment with the order. For production, 30% deposit by T/T before production, and the balance before shipment.