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Factory Supply Hex Washer Self-Drilling Screws with EPDM Washer

Name: Factory Supply Hex Washer Self-Drilling Screws with EPDM Washer
Brand: QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.
SKU: 2140743022

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

US$500.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Standard

ANSI, DIN, GB, ISO, JIS, Customized

Type

Common Nail

Material

Stainless Steel

Model No.

Window Self-Drilling Screw

Groove

Customized

Head Style

Hex

Grade

A2-70

Application

Heavy Industry

Transport Package

Sea Worth Packing

Specification

Length12mm-90mm Size: M2.5 M3 M3.5 M4

Trademark

Origin

China

HS Code

7318140090

Key features

Self-Drilling Design: No pre-drilling needed; drills and taps in one step for steel structures and color steel tiles.

Customized Groove: Groove style is fully customizable to meet specific application requirements.

OEM/ODM Service: Full customization from designs and samples available for industrial needs.

EPDM Washer Included: Features EPDM washer for superior sealing and weather resistance.

Stainless Steel Material: Constructed from high-grade stainless steel for durability and corrosion resistance.

Multiple Standards: Available in ANSI, DIN, GB, ISO, JIS, and custom specifications.

Fast Delivery: Samples take 15-30 days; mass production takes 25-50 days depending on quantity.

Free Standard Samples: Free samples provided for standard fasteners; custom samples may incur mold fees.

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: ≤3.23h

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:Are you a trading company or manufacturer?

We are an industry and trade integration company.

Q:Can you provide free samples?

Yes, we can provide free samples for standard fasteners. However, for non-standard customized samples, if the mold needs to be opened, a certain mold fee needs to be charged, please understand.

Q:What is the minimum quantity of your order? Is there a mold fee?

The minimum order quantity of non-standard fasteners: 1-2 tons, depending on the difficulty and size of the parts, we will charge a mold fee, which will be refunded after reaching a certain amount, which is more fully described in our quotation.

Q:When will you make delivery?

Samples usually take 15-30 days and mass production usually takes 25-50 days, depending on the quantity ordered.

Q:What is the MOQ for standard products?

The minimum order quantity is 1 ton.