What is your delivery time?

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

How to Custom-made (OEM/ODM)?

If you have a new product drawing or sample, please send it to us, and we can custom-make the hardware as you require. We also provide professional advice to maximize performance.

What are your terms of packing?

Generally, we pack goods in neutral Transparent bags, Color boxes, or plastic box + cartons. If you have a legally registered patent, we can pack goods in your branded boxes after getting your authorization letters.

Which mode of transport would be better?

In general, since production is heavy, we advise delivery by sea. However, we also respect your views on other transportation methods.

Premium A4-80 Marine Grade Hex Bolt for Shipbuilding Projects

Name: Premium A4-80 Marine Grade Hex Bolt for Shipbuilding Projects
Brand: Hengling Metal Products (Huzhou) Co., Ltd.
SKU: 2122281552

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

US$0.30

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

Carbon Steel

Type

Cheese Head

Model NO.

Stainless Steel Bolts

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

4.6

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Anodizing

Product Name

Stainless Steel Bolts

Material Types

Stainless Steel 304, 316, A2

Corrosion Resistance

for Humid and Corrosive Environments

Strength Grade

Tensile Strength and Yield Strength Data Available

Thread Specifications

Unc / Unf / M / Self-Tapping Options.

Diameter and Length

M6 / M8 / M10 and Custom Lengths

Head Type

Flat Head / Countersunk Head / Round Head.

Surface Treatment

Galvanized / Black Oxide / Plain Finishes.

Quality Standards

ISO / ASTM Compliance for Quality Assurance

Customization Option

Custom Sizes and Shapes Available.

Packaging Options

Bulk / Retail Packaging Options.

Industry Applications

for Construction / Automotive / Electronics.

Compatibility

Compatible with Various Components and Tools.

Environmental Friendliness

Eco-Friendly Materials and Standards Compliance.

Performance Guarantee

Warranty on Quality and Performance.

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

Premium Stainless Steel Grades: Made from 304, 316, A2, and A4 stainless steel for exceptional corrosion resistance.

Custom Sizes and Shapes: Offers custom lengths, diameters, and head types to meet specific project requirements.

ISO and ASTM Compliance: Manufacturing processes adhere to international quality standards for rigorous assurance.

OEM and ODM Services: Supports custom manufacturing based on customer drawings, samples, or designs.

Wide Material Selection: Available in Carbon Steel, Alloy Steel, Aluminum, Brass, and various Stainless Steel grades.

Timely Delivery Guarantee: Efficient production and logistics ensure standard parts ship within 7-15 days.

High Precision Manufacturing: Capable of strictly following drawing tolerances for high-precision complex parts.

Comprehensive Product Range: Includes bolts, nuts, screws, washers, rivets, and special non-standard fasteners.

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: ≤0.23h

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 high-end precision 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 are not more than 24 hours. For urgent cases, please contact us directly by phone or send an email.

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

You can send pictures, photos, and drawings of the products you need by email for us to check. We develop new models every month. Alternatively, you can send samples by DHL/TNT, and we can develop a new model specifically for you.

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

Yes, we can. We provide high-precision parts and make the parts exactly as per your drawing.

Q:How should I order and make payment?

By T/T. For samples, 100% payment with the order. For production, 30% paid as a deposit by T/T before production arrangement, and the balance to be paid before shipment.