Do you provide logo customization?

Yes, if you need, we can provide a logo customization service for your products.

What packaging options are available?

We offer ordinary packaging, color boxes, wooden boxes, small cartons, and packing in woven bags.

What is the warranty or quality guarantee?

We have over 20 years of export experience and our own factory controls product quality, ensuring high standards for all building solutions.

Factory Wholesale Black Phosphated Fine Coarse Thread Drywall Screw

Name: Factory Wholesale Black Phosphated Fine Coarse Thread Drywall Screw
Brand: Shandong Longzhiyu Import and Export Co., Ltd.
SKU: 2089434772

Shandong, ChinaShandong Longzhiyu Import and Export Co., Ltd.

US$850.00-1,000.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Round Head

Model NO.

S-LZY-01

Groove

Connection

Common Bolt

Head Style

Round

Standard

DIN, GB, ISO

Grade

12.9

Other Specification

6#, 7#, 8#, 9#, 10#

Surface Treatment

Black/Gray Phophasted, Yellow Zinc

Finish Type

Black Phosphated

Thread

Fine/Coarse Thread

Transport Package

Bulk and Box Package

Specification

3.5mm-4.8mm

Trademark

LZY

Origin

China

HS Code

7318120090

Production Capacity

30000t/Year

Key features

Customizable Specifications: Supports custom sizes (6#-10#) and surface treatments like black/grey phosphated or yellow zinc.

High Strength Material: Made from Carbon Steel with Grade 12.9, ensuring durability and strong holding power.

Versatile Thread Options: Available in fine thread for metal studs and coarse thread for wood studs to suit different needs.

Corrosion Protection: Features black phosphated or zinc plating finishes to protect against corrosion effectively.

Logo Customization: We provide logo customization services to meet your specific branding requirements.

Fast Delivery: Normal delivery time is 15-30 days, with expedited options available after deposit receipt.

One-Stop Service: Comprehensive procurement service including ceiling systems, screws, and logistics coordination.

20 Years Experience: Over two decades of export expertise in building solutions and global supply chain operations.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Shandong Longzhiyu Import and Export Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2010-12-01Nearest Port: Qingdao port, Lian yungang PortAverage Response Time: ≤1.69hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryShandong Longzhiyu Import and Export Co., Ltd., a manufacturer based in China, demonstrates robust export capabilities, accounting for 90% of total sales. The company specializes in building materials and offers ODM and OEM services. However, its innovation and after-sales service capabilities are limited, with no recent product developments or structured service procedures. Financial data from recent years is available, but no certifications are mentioned. The supplier does not participate in offline trade shows or have overseas facilities, which may limit its global reach.

Supplier typeThe supplier is identified as a Manufacturer/Factory named Shandong Longzhiyu Import and Export Co., Ltd., based in Linyi, Shandong, China.

After-Sales capabilityThe supplier lacks written procedures or records for assessing, correcting, and preventing issues related to service capability.

Financial creditThe supplier has financial data available for the past three years, indicating a level of financial transparency.

R&D capabilityThe supplier has not developed new products in the past year, suggesting limited innovation capability.

Production capacityThe supplier has substantial production capabilities, with high annual output in ceiling tee grids and gypsum ceiling tiles.

Customization capabilityThe supplier offers ODM and OEM services, with customization available from samples and designs.

Product Q&A

Q:What are the main material options for these screws?

The screws are made from Carbon Steel, with material grades including C1022, 1022A, Q195, Q235, 45#, 55#, and 22A.

Q:What is the difference between fine and coarse thread screws?

Fine thread screws have sharper points for easier installation into light metal studs, while coarse thread screws hold tighter and screw in faster for wood studs.

Q:Can I customize the size and surface treatment?

Yes, we offer customization for specifications (6#, 7#, 8#, 9#, 10#) and surface treatments such as Black/Gray Phosphated or Yellow Zinc.

Q:What are the payment terms?

Payment terms are 30% deposit in advance plus 70% balance before loading the material, via T/T.

Q:How long is the delivery time?

Normal delivery time is 15-30 days. For urgent orders, production can start within 7 days after receiving the deposit.