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 professional advice on the products to make the design more realized and maximize 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, since production is heavy, we advise you to make delivery by sea. However, we also respect your views on other transportation methods.

Complete Kit of M4 Stainless Steel Screws and Nuts for DIY Projects

Name: Complete Kit of M4 Stainless Steel Screws and Nuts for DIY Projects
Brand: Hengling Metal Products (Huzhou) Co., Ltd.
SKU: 2095613812

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

US$0.15

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

Plastic Steel

Type

Pan Head

Model NO.

Stainless Steel Screw

Groove

Cinquefoil

Connection

Hinged Bolts

Head Style

Counter Sunk Bolt

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

9.8

Product Name

Stainless Steel Screws

Material Types

Stainless Steel 304 / 316 / 410

Grades - 01

304L/316L (Low Carbon Versions)

Grades - 02

High-Strength Grades (A4)

Screw Diameter Specifications

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

Length

Available Lengths From 5mm to 200mm

Pitch

Fine Thread and Coarse Thread Options

Head Types

Flat Head/Pan Head/Countersunk Head/Hex Socket

Thread Types

Unc / Unf (Imperial Standards)

Thread Type

M (Metric Standards) / Self-Tapping

Tensile Strength

Typically Specified as 500MPa, 800MPa, etc.

Corrosion Resistance

Specific Performance Ratings for Marine/Chemical

Surface Treatment

Galvanized / Coated / Other Finishing Options

Special Requirements

Low Carbon/High-Temperature Resistance

Certification Requirements

ISO 9001 / RoHS / CE Certificates

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: Available in 304, 316, 410, and low-carbon variants for superior corrosion resistance.

Extensive Customization: Customizable diameter (M3-M100), length, head types, and surface treatments per design.

High Precision Manufacturing: Capable of strict tolerance adherence and high-precision CNC machining parts.

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

Robust Quality Assurance: 100% inspection and ISO 9001/ROHS/CE certified for reliable performance.

OEM/ODM Services: Full customization support from samples, designs, or technical drawings.

Wide Material Selection: Includes Stainless Steel, Carbon Steel, Alloy Steel, Aluminum, Brass, and Titanium.

Competitive Pricing: Cost-effective solutions with efficient manufacturing processes 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: ≤0.24h

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 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 special offers are provided within 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. Alternatively, 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 exactly as per your drawing.

Q:How should I order and make payment?

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