What is the difference between fine and coarse thread screws?

Fine thread screws are suitable for connecting gypsum board to metal keels with a thickness of no more than 0.9mm. Coarse thread screws are suitable for connecting gypsum board to wooden keels.

What is the warranty or quality guarantee?

Our factory is SGS audited, and we conduct random visual inspections on finished products with traceable raw materials to ensure quality.

Gypsum Board Screws Used on Plasterboard Drywall Screws 32mm

Name: Gypsum Board Screws Used on Plasterboard Drywall Screws 32mm
Brand: QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.
SKU: 761592732

Shandong, ChinaQINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.

US$500.00-600.00

25 Tons

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Drywal Screw

Model NO.

drywall screw

Groove

Standard

DIN, ANSI

Usage

Metal and Wood

Head

Round Bugle Head

Length

25-150mm

Diameter

3.5/4.2mm

Transport Package

Sea Worth Packing

Specification

all model

Trademark

zongyu

Origin

China

HS Code

7318140090

Production Capacity

1000t/Month

Key features

Customizable Dimensions: Length: 25-150mm, Diameter: 3.5/4.2mm, tailored to client requests.

Versatile Thread Options: Fine thread for metal keels (<0.9mm) and coarse thread for wooden structures.

High Hardness Material: Hardened Carbon Steel C1022A with surface hardness 560-653HV.

OEM/ODM Support: Customization from designs and samples available for head and usage.

Corrosion Resistance: 48H salt spray test with options for black/grey phosphated, galvanized, or painted finishes.

Self-Tapping Design: Sharp tip and smooth threads for easy installation in gypsum board and drywall.

Proven Manufacturer: SGS audited factory with 12,000 sqm area and 10,000+ tons annual productivity.

Flexible Packaging: Small box or bulk packing options, 20kg/ctn, with plywood/wooden pallet support.

Company profile

Importers and ExportersHigh Repeat Buyers ChoicePatents AwardedNational Award received

QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 5 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.82h

AI-Powered supplier vetting

SummaryThe supplier is a Qingdao-based manufacturer and trading company with a broad registered business scope covering mechanical equipment, metal products, automotive parts, plastic products, building materials, and import/export activities. It reports ISO 9001, 14001, and 18001 certification history, eight production lines, 50 quality-control staff, and stated production capacity for several nail categories. The supplier offers customization from designs and samples, ODM, and OEM services for well-known brands. However, it reported no new products in the past year, lacks overseas warehouses, showrooms, agents, or branches, and has weak documented service-management controls: no written service-assessment or corrective-action procedures and no complaint-handling records. Financial information is identified for 2021–2023, but the slices do not provide performance values, so financial credibility cannot be fully assessed.

Supplier typeThe supplier operates as a manufacturer and trading company: its registered scope includes sales and import/export activities, while its factory information reports eight production lines and product-specific output. Its company description also states more than 20 years of development and business relationships across Europe, America, Southeast Asia, and Africa.

CertificationsThe supplier states that it passed ISO 9001, ISO 14001, and ISO 18001 international management-system certifications in 2001. This is explicit certification evidence, although the slice does not provide current certificate validity or renewal details.

After-Sales capabilityThe supplier has a complaint-handling procedure but no written complaint records, and it lacks written procedures or records for service-capability assessment and corrective/preventive actions. It has participated in the Canton Fair but reports no overseas warehouses, showrooms, agents, or branches, limiting evidence of structured overseas after-sales support.

R&D capabilityThe supplier reports ODM capability, an available SDK, and one internationally recognized design award. However, it also states that no new products were developed in the past year; this indicates some design and development resources but limited recent product-innovation evidence.

Production capacityThe supplier reports eight production lines, 50 quality-control staff, and stated annual outputs of 10,000 tons each for U-type, roofing, twisted, clout, and common nails. It also reports a one-month average lead time in both peak and off-season, supporting evidence of established production capacity, though the stated output figures are supplier-reported and not independently verified.

Customization capabilityThe supplier explicitly provides customization from customer designs and samples, ODM services, and OEM services for well-known brands. These statements directly demonstrate multiple forms of customization and contract-manufacturing capability.

Product Q&A

Q:What are the available customization options?

We offer customization from designs and samples. Options include head type (Round Bugle Head), usage (Metal and Wood), length (25-150mm), and diameter (3.5/4.2mm).

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 ton.

Q:What are the lead times for production?

The average lead time is one month for both peak season and off-season.

Q:What payment terms are accepted?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer).

Q:What materials and surface treatments are available?

Made from Hardened Carbon Steel C1022A. Surface treatments include black phosphated, grey phosphated, galvanized, HDG, Zinc, Yellow Zinc, and Painted.