What payment methods do you accept?

We accept T/T, 100% L/C at sight, cash, and Western Union. Other methods can be discussed upon request.

Is customization available for these screws?

Yes, we offer customization by drawing or sample, including specific sizes, finishes, and packaging options.

What materials are used for these screws?

We use high-strength carbon steel and rust-proof stainless steel to ensure durability and performance.

Durable Self-Tapping Drilling Screws DIN 7982f St6.3 for Construction Projects

Name: Durable Self-Tapping Drilling Screws DIN 7982f St6.3 for Construction Projects
Brand: Qewitco Fasteners Co., Ltd
SKU: 2215398295

Shandong, ChinaQewitco Fasteners Co., Ltd

US$0.002-0.003

1,000 Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Countersunk Head

Model NO.

ST2.2 TO ST6.3, LENGHT -4.5 TO 50MM

Groove

Cross

Connection

Common Bolt

Head Style

Cap Head

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 7985f

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

ST2.2 TO ST6.3, LENGHT -4.5 TO 50MM

Trademark

Qewitco

Origin

China

HS Code

731816

Production Capacity

10000ton/Year

Key features

Self-Tapping Design: Eliminates pre-drilling needs, saving time and labor costs during installation.

Corrosion Resistance: Zinc-plated or phosphate finishes protect against rust for long-lasting durability.

Wide Size Range: Available in ST2.2 to ST6.3 diameters and lengths from 4.5mm to 50mm.

High Strength Materials: Made from carbon steel or stainless steel for superior strength and longevity.

Standard Compliance: Meets DIN 7982F and ISO 7050 standards for reliable performance and quality.

Customizable Options: Offers customizable colors, packaging, and sizes based on drawings or samples.

100% Quality Inspection: Every product undergoes strict visual inspection to ensure consistent quality.

Secure Fastening: Cross-recessed drive ensures a firm grip and easy, precise installation.

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: ≤0.18hTerms 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.