20zy M3 M4 Black 8.8 High Strength Countersunk Head Hex Self Tapping Screw Bk Bolt Flat Head Tapping Screw

Name: 20zy M3 M4 Black 8.8 High Strength Countersunk Head Hex Self Tapping Screw Bk Bolt Flat Head Tapping Screw
Brand: Tianjin Bell Technology Co., Ltd.
SKU: 795411802

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

Round Head

Groove

Cross

Connection

Common Bolt

Head Style

Bugle Head

Standard

GB, SGS

Grade

4.8

Produts Keywords

Drywall Screw

MOQ

1 Ton

Length

11-150mm

Delivery Time

2-4weeks

OEM/ODM

Provide

Tail

Self-Drilling ,Self-Tapping

Thread

Fine Thread/Coarse Thread

Surface

Black/Grey Phospated, Zinc Coating

Sample

Provide

Features

Good Anti-Corrosion Ability

Transport Package

Plastic Bag/Small Box/Bulk Packing

Specification

3.5mm(6#)

Trademark

OEM

Origin

Tianjin, China

HS Code

7318140090

Production Capacity

6000ton/Year

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: ≤1.12h

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.