How do you guarantee product quality?

The quality control department inspects every production link for each shipment, and QC reports, MTC, and mass production samples are provided upon completion.

What materials are used for the bi-metal screw?

The body is made of stainless steel (SS304/SS316), and the drill point is made of SS410/420 or carbon steel.

What is the main market for these products?

SuperFix mainly exports to Europe, South America, the Middle East, and Asia, focusing on stainless steel 410 material.

Bi-Metal Screw Pan Head Knurling Shank Double Thread Self Drilling Screw

Name: Bi-Metal Screw Pan Head Knurling Shank Double Thread Self Drilling Screw
Brand: Jiaxing Superfix Metal Co., Ltd.
SKU: 1994844022

Zhejiang, ChinaJiaxing Superfix Metal Co., Ltd.

US$0.01-0.10

500,000 Pieces

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Shape of Head

Round

Model NO.

SDS037

Surface Finishing

Ruspert

Customized

Non-Customized

Point

Drill Point

Standard

DIN/Customized

Drive

Torx

Application

Roof

Transport Package

Box/Carton

Specification

4.2/4.8/5.5/6.3x25

Trademark

Customized

Origin

China

HS Code

7318150000

Key features

Bi-Metal Design: Combines stainless steel body with hardened drill point for high drilling capacity and corrosion resistance.

Ruspert Coating: Tin & Zinc based mechanically deposited coating provides high anti-corrosion resistance against scratches and weathering.

Wide Application: Suitable for stainless steel, steel, aluminum plates, roof decks, wall panels, and heavy gauge metal connections.

Customization Options: Customizable point, standard (DIN), drive type, and packaging according to customer requirements.

Multiple Drive Types: Available in Phil, Torx, slotted, combination, and Hex Socket to meet various installation needs.

Various Head Types: Offers Hex, Flat, Pan, Truss, Round, Hex Washer, Oval, Pan Framing, Bugle, and Fillister head options.

Quality Assurance: Strict QC inspection on every production link with MTC and mass production samples provided.

Flexible MOQ: Small quantity orders are acceptable for standard screws, with bulk options available for projects.

Company profile

Jiaxing Superfix Metal Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Full Customization, etc. CertifiedExport Year: 5 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryJiaxing Superfix Metal Co., Ltd. is identified as a Chinese manufacturer/factory producing fasteners, screws, stainless steel screws, metal stamping parts, and related customized products. It reports seven production lines and experience producing SuperFix 410 stainless steel screws since 2011. The supplier offers OEM, ODM, and sample/full customization services, but has fewer than five R&D engineers, no available SDK, and no new products reported in the past year. Service coverage is limited: it has no overseas showroom, overseas agents or branches, or offline trade-show participation. Lead time is stated as one month in both peak and off-season, with multiple quotation and payment options. Financial records are referenced for 2023–2025, but the slices do not provide financial results or enough evidence to assess credibility. Quality procedures exist for supplier approval, corrective actions, and complaints, while quality assurance status is unknown. No certifications or customer case details are provided.

Supplier typeThe supplier is explicitly identified as a manufacturer/factory and a limited company based in Jiaxing, Zhejiang, China. Its listed product scope centers on fasteners, screws, stainless steel screws, metal stamping parts, and related hardware.

R&D capabilityThe supplier provides ODM services and customization, but reports no available SDK, fewer than five R&D engineers, and no new products during the past year. These stated limitations prevent a positive assessment of innovation capability.

Production capacityThe supplier operates seven production lines and offers a defined range of fasteners, screws, and metal components. It states a one-month average lead time in both peak and off-season, but the slices do not provide capacity utilization, equipment details, or verified output volume suitable for a stronger assessment.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, and flexible customization, alongside customized fasteners and related products in its product scope. It also provides ODM services, directly supporting a positive customization assessment.

Product Q&A

Q:How can I customize my products?

Attach your drawings with details (Surface treatment, material, quantity, and special requirements), provide samples, or let us design based on your application needs.

Q:What is the delivery time for samples and bulk orders?

Samples generally take 3-7 days, while bulk orders take around 30 days, depending on quantity and product requirements.

Q:What are the payment terms?

We accept Western Union or PayPal for small accounts; for large amounts, T/T is preferred.

Q:Can the packaging be customized?

Yes, the packaging quantity and box print can be customized according to your requirements, and private labeling is available.

Q:What is the MOQ for these screws?

The MOQ depends on whether the fastener is standard or customized. Small quantity orders for standard screws are usually acceptable.