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)?

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 also provide professional advice to maximize product 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 goods in your branded boxes after receiving your authorization letters.

Which mode of transport would be better?

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

Durable Carbon Steel Screws M4 for Reliable Use in Engineering Projects

Name: Durable Carbon Steel Screws M4 for Reliable Use in Engineering Projects
Brand: Hengling Metal Products (Huzhou) Co., Ltd.
SKU: 2095614092

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$0.00/piece.Request sample

Product profile

Customization

Available

Material

Brass

Type

T Head

Model NO.

Carbon Steel Screw

Groove

M Word

Connection

Hinged Bolts

Head Style

Round

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

5.6

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

Customizable Dimensions: Diameter M3-M8 and lengths 5mm-200mm tailored to specific project needs.

High-Strength Materials: Made from SAE 1018/1045 carbon steel with tensile strength up to 500MPa.

Corrosion Resistant Options: Available with zinc plating, black oxide, or galvanized finishes for durability.

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

Fast Delivery Time: Standard parts ship in 7-15 days; non-standard parts in 15-25 days.

Quality Assurance: ISO 9001 certified with 100% visual and functional inspection for finished products.

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

Competitive Pricing: Efficient production processes ensure cost-effective solutions for bulk orders.

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: ≤0.22h

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 materials according to your specific requirements.

Q:When can I get the price?

We usually offer a quotation within 12 hours. For special offers, it takes no 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, or drawings of the products you need by email, and we will check if we have them. We develop new models every month. Alternatively, you can send us 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 manufacture them according to your drawings.

Q:How should I order and make payment?

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