We have most sizes in stock. For orders under 5,000 pcs, the lead time is 5-7 days.

Can we customize the production?

Yes,we can make mold to produce,you only send us your request with detailed drawings or photos, then we will make the quotation for you accordingly.

Can I get a better price for bulk orders?

Definitely. Our prices are negotiable. The more you order, the more discount you will get. Please contact us for a tailored offer.

Are your products certified? Can I get the certification files?

All our products comply with industry standards and hold valid certificates. Please send us a message, and we will provide you with the relevant certification documents promptly.

Can you offer detailed dimension drawings and specifications?

We have complete size data for all items. Feel free to contact us to receive the detailed product dimensions.

What wall materials are these countersunk self-drilling drywall screws suitable for?

Mainly for gypsum drywall with light steel keel interior partition & ceiling projects.

Does this product have CE certification for EU export?

Yes, full CE certification documents can be provided for European customs clearance.

Do workers need to drill pilot holes before installation?

No pre-drilling needed, self-drilling tip directly penetrates light steel keel.

Can you supply mixed sizes and retail small box packaging?

We support mixed size orders and retail color box packaging for hardware distributors.

Can this 5 x 100mm screw fasten double-layer drywall boards?

Definitely, the 100mm length supports thick double gypsum wall panels.

5mm×100mm Csk Self-Drilling Drywall Screws with CE Certification

Name: 5mm×100mm Csk Self-Drilling Drywall Screws with CE Certification
Brand: Qewitco Fasteners Co., Ltd
SKU: 2156404752

Shandong, ChinaQewitco Fasteners Co., Ltd

US$0.03-0.50

1,000 Pieces

Sample price:US$0.05/piece.Request sample

Product profile

Customization

Available

Material

Zinc Plated

Shape of Head

Countersunk

Model NO.

drywall screws

Shape of Groove

Phillips

Surface Finishing

Epoxy Coating

Certification

ISO, GS, RoHS, CE

Customized

Delivery

20-30 Days

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

Size Standard

Metric

Material Test Certificate

Have

Sample

Samples in Stock Are Free with Freight Collect

Price Terms

Fob/CFR/CIF/DDP/DAP

Quality Control

100% Quality Inspection

Application2

Connection,Fastening,Concrete Projects,Container

Function

Multi-Purpose Fastener Screw

Finish

Epoxy Coating

Tail Structure

Self-Drilling

Transport Package

Bulk Pack Small Boxed

Specification

M4-M20

Trademark

Customized

Origin

China

HS Code

731816

Production Capacity

10000ton/Year

Key features

Self-Drilling Capability: Penetrates steel up to 2.5mm without pre-drilling, saving time and effort.

Anti-Splitting Design: Tail cutting groove prevents wood splitting, reducing material waste.

Winged Anti-Slip Structure: Wings ream wood and break at metal to ensure secure metal-to-wood bonds.

High-Strength Material: Made from heat-treated 1022/10B21 carbon steel for durability and resistance.

Corrosion Resistance: Zinc plating and epoxy coating provide long-lasting rust protection.

Countersunk cone head sinks fully into drywall for smooth wall surface, less putty touch-up work.

Versatile Applications: Ideal for drywall, steel keels, color steel tiles, and composite connections.

Fast Installation: Drills, taps, and locks in one step, boosting construction speed by over 60%.

Integrated drill tip drills & fastens light steel keel + drywall in one step, saving interior decoration labor.

Full CE construction certification for smooth customs clearance across all European markets.

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.