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Durable Hex Washer Head Self-Drilling Screws for Metal

Name: Durable Hex Washer Head Self-Drilling Screws for Metal
Brand: Qewitco Fasteners Co., Ltd
SKU: 2107956522

Shandong, ChinaQewitco Fasteners Co., Ltd

US$0.10-0.50

1,000 Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

DIN 7504K Hex Head Self Drilling Screw

Groove

Hexagon

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ISO

Grade

8.8,10.9,12.9,Carbon Steel A2-50,A2-70,A4-50,A4-7

Delivery

20-30 Days

Certification

DIN 7504K ISO15480:1999

Packag Color

Customizable

Thread Standard

Unc/Unf/Unef/Uns/Bsw/Bsf/Metric Coarse/Metric Fine

Custom Order

Customization by Drawing/Sample

ODM/OEM

Available

Service

Custom-Made Service

Material Test Certificate

Have

Sample

Samples in Stock Are Free with Freight Collect

Price Terms

Fob/CFR/CIF/DDP/DAP

Color

Customizable or Sliver

Quality Control

100% Quality Inspection

Application2

Connection,Fastening

Finish

Phosphate, Zinc Plated(De-Embrittlement)

Transport Package

Bulk Pack Small Boxed

Specification

DIA 3.5MM TO 6.3MM LENGTH 5.32MM TO 10MM

Trademark

Qewitco

Origin

China

HS Code

731816

Production Capacity

10000ton/Year

Key features

Self-Drilling Design: Penetrates metal and steel without pre-drilling, saving over 50% installation time.

High-Strength Materials: Available in SUS410, SUS304, and SUS316 for various corrosion resistance needs.

Anti-Loosening Washer: Integrated washer provides larger contact area and enhanced vibration resistance.

Customizable Packaging: Options include bulk packs for large orders or small boxed for retail.

100% Quality Inspection: Rigorous testing including hardness and salt spray tests for durability.

International Standards: Compliant with DIN 7504K, ISO15480:1999, and other global standards.

OEM/ODM Services: Full customization available based on drawings or samples.

Fast Delivery: Ready stock for standard sizes with delivery in 15-35 days.

Company profile

Years of Export ExperienceExperienced TeamSelf-brandedHigh Repeat Buyers Choice

Qewitco Fasteners Co., Ltd

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2003-12-05Average Response Time: ≤0.70hTerms of Payment: T/T

AI-Powered supplier vetting

SummaryThe supplier demonstrates established export experience, with 90% of sales from exports and 22 years of exporting. It has ISO9001:2015 certification, raw-material traceability, quality assurance, and 100% finished-product inspection, although inspection is performed by packing staff and only two quality inspectors are reported. Customization is broad, covering samples, designs, full customization, minor customization, and flexible customization. Service strengths include in-stock capability, stated lead times within 15 workdays in both peak and off-season, and multiple payment and quotation terms. Limitations include no overseas warehouse, showroom, agent, branch, or overseas service-country coverage, no Fortune 500 cooperation, no new products launched in the last year, one R&D engineer, no popular-brand OEM, and an undocumented corrective/preventive-action process. Financial credibility cannot be assessed because the provided financial figures are excluded from evaluation.

Supplier typeThe supplier is strongly export-oriented, reporting 90% export sales and 22 years of export experience. It can provide in-stock service and accepts FOB, CIF, CFR, and EXW terms, but reports no overseas warehouse, showroom, agent, branch, or overseas service-country coverage.

CertificationsThe supplier reports an ISO9001:2015 certificate for both sustainable development management and management systems, plus other product compliance or sustainability certifications. The specific additional certifications are not identified, so the evidence supports ISO9001 holding but not broader certification strength.

R&D capabilityThe supplier reports one R&D engineer and no new products launched during the previous year. It also reports no available SDK and no popular-brand OEM capability, which indicates limited documented innovation evidence.

Production capacityProduction-related evidence includes raw-material traceability, 100% finished-product inspection, quality assurance, four own-brand quality-control capabilities, inventory capacity, and lead times within 15 workdays in both peak and off-season. Only two quality inspectors are reported, and finished products are checked by packing staff, so production capability is positive but quality-control depth is limited.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization capability.

Product Q&A

Q:What are your advantages?

Honest business practices, competitive pricing, and professional service throughout the export process.

Q:How can I trust you?

Honesty is the foundation of our company. We can provide contact information for some of our clients so you can verify our credibility.

Q:Do you offer a warranty on your products?

Yes, we provide a 100% satisfaction guarantee on all items. If you are unsatisfied with our product quality or service, please let us know immediately.

Q:Where are you located? Can I visit you?

Of course! You are welcome to visit our factory anytime.

Q:What is the delivery time?

Delivery takes 15-35 days after we confirm your requirements.