What is your delivery time?

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

How to Custom-made (OEM/ODM)?

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

What are your terms of packing?

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

Which mode of transport would be better?

In general, the production is heavy, so we advise you to make delivery by sea. Also, we respect your views on other transportation as well.

High-Strength M4 Carbon Steel Screws for Safety and Security

Name: High-Strength M4 Carbon Steel Screws for Safety and Security
Brand: Hengling Metal Products (Huzhou) Co., Ltd.
SKU: 2092528042

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

US$0.14

1,000-4,999 Pieces

US$0.08

5,000-9,999 Pieces

US$0.06

10,000-49,999 Pieces

US$0.05

50,000+ Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Plastic Steel

Type

Round Head

Model NO.

Carbon Steel Screw

Groove

Flower

Connection

Common Bolt

Head Style

Square

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

12.9

Product Name

Carbon Steel Screws

Material Types

Carbon Steel (e.g., SAE 1018, 1045)

Grades

Medium and High-Strength Grades (e.g., Grade 5/8)

Diameter Common Sizes

M3/M4/M5/M6/M8 and Other Metric/Imperial Sizes

Length

Available Lengths From 5mm to 200mm

Pitch

Fine Thread and Coarse Thread Options

Head Types

Flat Head / Pan Head / Hex Head

Thread Types

Unc/Unf (Imperial Standards)/M (Metric Standards)

Tensile Strength

Typically Specified as 300MPa, 500MPa

Corrosion Resistance

Options for Zinc-Plated or Coated

Surface Treatment

Galvanized / Black Oxide / Plain / Other Finishing

Special Requirements

Low Carbon / High-Temperature Resistance

Packaging

Export-Compliant Packing / Bulk Packing Options

Certification Requirements

ISO 9001 / Quality Certifications

Applications

Automotive / Construction /Machinery / General Use

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

Extensive Customization: Customizable diameter (M3-M8), length (5-200mm), head types, threads, and surface treatments.

High-Strength Materials: Made from premium carbon steel grades SAE 1018 and 1045 for excellent strength and reliability.

Quality Assurance: Strict quality control ensuring products meet international standards and customer specifications.

Fast Delivery: Standard parts delivered in 7-15 days; non-standard parts in 15-25 days with guaranteed quality.

OEM/ODM Service: Supports custom manufacturing based on drawings, samples, or specific design requirements.

Competitive Pricing: Efficient production processes allow for competitive prices and quick turnaround times.

Wide Application Scope: Suitable for automotive, construction, machinery, and general industrial use cases.

Corrosion Resistance Options: Available with zinc plating, black oxide, or other finishes to enhance durability in various environments.

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: ≤0.27h

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, Turning parts, and High-end precision complex CNC Machining parts. We supply Carbon Steel, Alloy Steel, Aluminum alloy, Stainless Steel, Brass, Copper, Titanium alloy, or materials according to your requirement.

Q:When can I get the price?

We usually offer you a quotation within 12 hours, and the special offer is not more than 24 hours. For any urgent cases, please contact us directly by phone or send an email to us.

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

You can send the pictures/photos and drawings of the products you need by email, and we will check if we have them. We develop new models every month. Or you can send us samples by DHL/TNT, and then we can develop the new model especially for you.

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

Yes, we can. We can provide high-precision parts and make the parts according to 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 deposit by T/T before production arrangement, and the balance to be paid before shipment.