What payment terms do you accept?

We accept LC and T/T payment terms.

Which standards do the screws meet?

They comply with ANSI, DIN, GB, ISO, and JIS standards.

What is the head style of the screws?

The head style is Bugle Head, suitable for drywall and wood applications.

Black Phosphated High Hardness Drywall Screws Quick Fastening for Plywood

Name: Black Phosphated High Hardness Drywall Screws Quick Fastening for Plywood
Brand: QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.
SKU: 2139261982

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

US$500.00

5 Tons

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Standard

ANSI, DIN, GB, ISO, JIS

Type

Screw

Material

Steel

Head Style

Bugle Head

Usage

Metal/Wood

Transport Package

Carton

Specification

13mm-150mm

Trademark

Origin

China

HS Code

73170000

Production Capacity

1000ton/Month

Key features

High Hardness Material: Made from C1022 Carbon Steel with heat treatment for superior durability.

Versatile Surface Treatment: Available in Black Phosphated, Grey Phosphated, and Galvanized HDG finishes.

Wide Size Range: Shank diameter 3.5-4.8mm and lengths from 13mm to 152mm.

Multiple Drive Types: Compatible with Phillips drive for efficient installation.

OEM and ODM Services: Customization available from both designs and samples.

Factory Direct Pricing: Competitive prices directly from our own manufacturing facility.

Strict Quality Control: Professional testing department with 3 QA/QC inspectors and traceability.

Standard Compliance: Meets ANSI, DIN, GB, ISO, and JIS international standards.

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: ≤3.93h

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.