1) Reply you in 24 working hours. 2) Experienced staffs would like to answer all your questions in time. 3) Customized design is available. ODM&OEM are welcomed. 4) Special discount and protection of sales are provided to our consumers.

Custom 4.2mm 8# Fastener Steel Countersunk Head Phillips Driver Full Thread Self Drilling Screw Self Tapping Drywall Screw

Name: Custom 4.2mm 8# Fastener Steel Countersunk Head Phillips Driver Full Thread Self Drilling Screw Self Tapping Drywall Screw
Brand: Tianjin Bell Technology Co., Ltd.
SKU: 939131755

Tianjin, ChinaTianjin Bell Technology Co., Ltd.

US$950.00-1,500.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Countersunk Head

Groove

Cross

Connection

Common Bolt

Head Style

Bugle Head

Standard

GB, SGS

Grade

4.8

MOQ

1 Ton

Length

11-150mm

Delivery Time

2-4weeks

Thread

Fine Thread/Coarse Thread

Surface

Black/Grey Phospated, Zinc Coating

Tail

Self-Drilling

Sample

Provide

Produts Keywords

Drywall Screw

OEM/ODM

Provide

Features

Good Anti-Corrosion Ability

Transport Package

Plastic Bag/Small Box/Bulk Packing

Specification

4.2mm(8#)

Trademark

OEM

Origin

Tianjin, China

HS Code

7318140090

Production Capacity

6000ton/Year

Key features

Self-Drilling Tail Design: Features a self-drilling tail for direct installation without pre-drilling holes.

Anti-Corrosion Surface: Available in Black/Grey Phospated or Zinc Coated for good anti-corrosion ability.

OEM/ODM Customization: Supports customized design, full customization, and minor customization options.

Fast Delivery Guarantee: Own annealing lines ensure 5-10 days for stock items and 2-4 weeks for custom orders.

Manufacturer Direct: Direct factory with 20+ years experience, ensuring quality testing before loading.

High Production Capacity: Annual volume of 18,000 tons with 135 head machines and 91 thread machines.

Free Sample Provision: Free samples available, with customer only responsible for freight costs.

Strict Quality Control: 100% visual and function inspection with traceable raw materials.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Tianjin Bell Technology Co., Ltd.

Tianjin, 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: 4 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.83h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier with 3D software design, ODM, OEM, and broad customization capabilities. It operates six production lines, reports production of drywall screws and chipboard screws, and exports primarily to Southeast Asia, the Middle East, and North America. Quality procedures include documented and uniformly followed finished-product inspection, quality assurance, raw-material traceability, and maintained quality-control records. However, the supplier has no effective manufacturing-capacity contract with associated subcontractors, no inventory, overseas warehouse, overseas showroom, overseas agent or branch, or offline trade-show participation. Innovation evidence is mixed: ODM and design services are available, but no new products were reported in the past year and no SDK is available. Financial information is limited to year labels, preventing a substantive credibility assessment.

Supplier typeThe supplier is explicitly classified as a professional technical supplier and has self-operated import and export rights. Its capabilities include 3D software design and multiple forms of product customization, indicating a technical manufacturing-oriented supplier rather than only a trading intermediary.

R&D capabilityThe supplier provides 3D software design, ODM services, and has four R&D engineers, supporting design and development capability. However, it reported no new products in the past year and has no available SDK, so the evidence supports development capability but not strong recent innovation performance.

Production capacityThe supplier operates six production lines and reports output of 8,000 tons each for drywall screws and chipboard screws, with a one-month lead time in both peak and off-peak seasons. Its production and export capabilities are supported by documented inspection procedures and self-operated import/export rights, but the absence of a valid manufacturing-capacity contract with associated subcontractors is a supply-chain control weakness.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The combination of 3D design services, ODM, and OEM services indicates broad customization support for different customer requirements.

Product Q&A

Q:What are your hot sale products?

Drywall screws, Chipboard screws, Truss Head screws, Hex head screws and other Special screws.

Q:Are you a trading company or manufacturer?

We are manufacturer. Our production manager has over 20 years production experience on Screws.and we always test the screws before the loading.

Q:How long is your delivery time?

Generally it is 5-10 days if the goods are in stock. or it is 2-4 weeks if the goods are not in stock, it is according to quantity. We have our own annealing lines, so we can guarantee the delivery time.

Q:Do you provide samples? is it free or extra?

Yes, we could offer the sample for free charge but consumer should pay the freight first.

Q:What is your terms of payment ?

30%T/T prepayment and 70% T/T before the shipment.or L/C.