Why should you buy from us not from other suppliers?

1) More than 10 years of experienced staff answer in time. 2) Customization is available. 3) As a professional manufacturer with quality control, good service, and skilled technicians to ensure our products are finished in high quality and with stable features.

What services can we provide?

Accepted Delivery Terms: FOB, CFR, CIF, EXW. Accepted Payment Currency: USD, EUR, CNY. Accepted Payment Type: T/T, L/C at sight, PayPal. Language Spoken: English, Chinese, Spanish.

Light Steel Keel Special Screw 4mm*16mm Self Tapping Screws Round Head Screw

Name: Light Steel Keel Special Screw 4mm*16mm Self Tapping Screws Round Head Screw
Brand: Newspider Tianjin Impex Co., Ltd.
SKU: 2154883252

Tianjin, ChinaNewspider Tianjin Impex Co., Ltd.

US$1.50

1,000-9,999 kg

US$1.38

10,000-199,999 kg

US$1.28

200,000+ kg

Product specifications

Diameter

Length

Surface Treatment

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Shape of Head

Csk

Model NO.

Light Steel Keel Special Screw

Surface Finishing

Zinc Plated

Customized

Product Name

Light Steel Keel Self-Tapping Screw

Application

Light Steel Keel

Screw Type

Self-Tapping Screw

Material Number

C1022A Carbon Steel

Measuring System

Metric and Inch

Surface Treatment

Yellow or Blue Galvanized

Thread Type

High-Density Thread

Point

Sharp Tapping Poin

Diameter

M3.5 M3.9 (#6, #7)

Length

13mm, 16mm, 19mm

MOQ

1 Ton Per Size

Customization 1

Sizes of The Screws

Customization 2

Packing of The Screws

Customization 3

Surface Treatment

Transport Package

Bale Bag or Box + Carton + Pallet

Specification

M3.5 M3.9

Trademark

OEM

Origin

Tianjin, China

HS Code

7318120090

Production Capacity

5000 Tons

Key features

High-Strength Material: Made of C1022A Carbon Steel Grade 8.8 for superior strength and durability.

Corrosion Resistance: Zinc plated with Blue or Yellow Galvanized finish for rust prevention.

Customizable Sizes: Available in Metric (M3.5, M3.9) and Inch (#6, #7) diameters with various lengths.

Sharp Tapping Point: Designed for easy drilling into light steel keels without pre-drilling.

Anti-Slip Groove: Phillips groove design ensures secure grip and prevents slipping during installation.

Convenient CSK Head: Countersunk head design allows flush mounting for a smooth surface finish.

Flexible Surface Treatment: Options include Phosphate, Galvanized, Nickel, Brass, Copper, Ruspert, and Dacromet.

Custom Packaging: Supports Bale Packing, Individual Boxes, or custom packaging upon request.

Company profile

Importers and ExportersFast DeliveryQuality AssuranceStandardized quality control

Newspider Tianjin Impex Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from SamplesExport Year: 2017-03-17Nearest Port: TianjinAverage Response Time: ≤3.15h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier providing 3D software design, ODM, OEM, and sample-based customization. It reports more than 40 employees, separate production and packing workshops, experienced workers, process inspection, annual production of about 5,000 tons, and supply to more than 20 countries. However, it has no stated inventory, overseas warehouse, overseas showroom, overseas agent or branch, and no offline trade-show participation. Manufacturing capacity lacks a valid contract with related subcontractors. Quality and complaint-handling procedures are documented and followed, but no certification is identified. Innovation evidence is limited because no new products were reported in the past year and no SDK is available. Financial credibility cannot be reliably assessed because the supplied financial records are incomplete and inconsistent. ERP integration and several related digital systems are absent or recorded as zero.

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier, offers 3D software design, ODM, and OEM services, and operates production and packing workshops for screw manufacturing. This indicates a manufacturer with technical design and contract-manufacturing capabilities.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints, supplier-service assessment, and corrective/preventive actions. However, it reports no overseas warehouse, showroom, agent, branch, or inventory capability, limiting evidence of localized after-sales support.

Production capacityThe supplier reports separate production and packing workshops, more than 40 employees, experienced workers, process inspection, annual production of about 5,000 tons, and lead times within 15 workdays to one month. Against this, it has no valid contract with related subcontractors and no inventory capability; overall manufacturing capacity is explicitly supported, though supply-chain controls have limitations.

Customization capabilityCustomization is explicitly available from samples, and the supplier states that screw customization is available across quantities and sizes. Its 3D design, ODM, and OEM services further support tailored product development.

Client casesThe supplier states that it has supplied products to more than 20 countries and provides OEM services for well-known brands. These statements constitute direct evidence of international customer experience, although no customer names or detailed case examples are provided.

Product Q&A

Q:Who are we?

We are based in Tianjin, China, and started in 2017, selling to South America(30.00%), North America(20.00%), Western Europe(15.00%), South Asia(15.00%), the Middle East(15.00%), and Africa(5.00%). There are about 11-50 people in our office.

Q:How can we guarantee quality?

1) To meet the requirements of different customers for size, weight, drilling speed, etc. It can be produced according to the standards of various markets, for example, American Standard, German Standard, and National Standard. 2) Always have a pre-production sample before mass production. 3) Always final Inspection before shipment.

Q:What can you buy from us?

For Screws: Drywall Screws, Drywall Drill Screws, Chipboard Screws with or without Type 17 Point, Spax Saw Thread Screws, Self Tapping decking Screws, Concrete Screws, Self Tapping Screws, Self Drilling Screws, Self Screwing Screws, Roofing Screw, Wafer Truss Head screws, Pan Head Screws, Oval Head Screws, Hex head Screws, Flat Head Screws, CSK countersunk Head Screws, Machine Screws and other Special screws. For Binding Post Screws: Book Ring, Chicago Screws/Book Binding Screws/Male Female Scre

Q:Which specifications can you customize?

1) Diameter of screws. 2) Length of screws. 3) Surface treatment, which includes the Phosphate, Galvanized, Nickel Plating, Brass Plating, Copper Plating, Ruspert, and Dacromet.

Q:What kind of packing can we supply?

We can supply various custom packing for you. Or please contact us if you have a special packing request. 1) Bale Packing: 25 kgs/carton, 25 kgs/bag, 1 ton per bag, 1 ton per wooden box. 2) Individual Packing: small box + master carton + pallet. bag + master carton + pallet.