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Premium Sealing Washer Self-Drilling Screws for Reliable Fastening Solutions

Name: Premium Sealing Washer Self-Drilling Screws for Reliable Fastening Solutions
Brand: Anhui Linghong Hardware Technology Co., Ltd.
SKU: 2131189952

Anhui, ChinaAnhui Linghong Hardware Technology Co., Ltd.

US$1.00-100.00

300 KP

Product specifications

Color

Size

Sample price:US$0.00/kp.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Shape of Head

Round

Model NO.

Hexagon head screw

Surface Finishing

Customized

Certification

ISO

Customized

Packing Method

Head Marking

Customized

Inspection Method

Initial Inspection+Routine Inspection+Random Inspe

OEM/ODM

Yes

Transport Package

Custom Packaging

Specification

Customized

Origin

China

Production Capacity

500 T/Month

Key features

Self-Drilling Design: Tail drill point allows direct drilling and tapping without pre-drilling.

Anti-Loosening Washer: Red rubber + metal composite washer enhances sealing and prevents loosening.

Waterproof Performance: Ideal for roof color steel tiles and outdoor metal components requiring waterproofing.

Custom Surface Finish: Surface finishing is fully customizable to meet specific project requirements.

ISO Certified Quality: Manufactured under ISO 9001, ISO 14001, and ISO 45001 quality systems.

Carbon Steel Material: Made from durable carbon steel with a round head and hexagon slot type.

OEM/ODM Service: Supports OEM/ODM services including custom head marking and packing methods.

Fast Response Time: Quotations provided within 1 hour, with special offers within 24 hours.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceQuality AssuranceManagement Certification

Anhui Linghong Hardware Technology Co., Ltd.

Anhui, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤2.04h

AI-Powered supplier vetting

SummaryThe supplier is a limited company with 69 employees offering screws and reporting combined manufacturing and service capabilities. It demonstrates broad customization, ODM, recent new-product activity, technical engineering support, and available R&D documentation. Quality-control instructions, complaint-handling procedures, corrective and preventive action procedures, and finished-product inspection instructions are documented and followed. The supplier has inventory capability, valid manufacturing contracts with associated subcontractors, export capability, and experience providing OEM services to well-known brands. However, it reports no overseas warehouse, showroom, agents or branches, offline trade-show participation, or SDK availability. Financial information is inconsistent across the provided records, so financial credibility cannot be conclusively assessed.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints and corrective and preventive actions, and its technology engineers provide technical support for production and after-sales service. Nevertheless, it has no overseas warehouse, showroom, agents, or branches, and reports overseas service coverage in 0 countries.

R&D capabilityThe supplier reports new products within the past year, ODM capability, multiple design-service options, engineering responsibility for new-product design, and auditable R&D documentation. It lacks an available SDK, which limits evidence of software-development support but does not negate the demonstrated product R&D capability.

Production capacityThe supplier has documented quality-control assurance, uniformly followed finished-product inspection instructions, inventory capability, valid contracts with associated subcontractors, self-operated import/export rights, and accepted FOB, CIF, CFR, and EXW terms. The listed facility equipment includes metallographic embedding and grinding machines.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These options are reported consistently in both the R&D and design-capability records.

Client casesThe supplier reports providing OEM services for well-known brands, which is direct evidence of at least one category of customer experience. No brand names, project details, product quantities, or independently verifiable case information are provided.