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Reliable Corrosion Resistant Hex Flange Self-Drilling Screw for Roofing
US$0.136-0.589
1,000 Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Carbon SteelShape of Head
Hex Flange HeadModel NO.
Self-Drilling ScrewShape of Groove
External HexSurface Finishing
DacrometCertification
ISO, GS, RoHS, CECustomized
CustomizedDelivery
20-30 DaysPackag Color
CustomizableThread Standard
Unc/Unf/Unef/Uns/Bsw/Bsf/Metric Coarse/Metric FineCustom Order
Customization by Drawing/SampleODM/OEM
AvailableService
Custom-Made ServiceSize Standard
MetricMaterial Test Certificate
HaveSample
Samples in Stock Are Free with Freight CollectPrice Terms
Fob/CFR/CIF/DDP/DAPQuality Control
100% Quality InspectionApplication2
Connection,Fastening,Concrete Projects,ContainerFunction
Multi-Purpose Fastener ScrewFinish
DacrometTail Structure
Self-DrillingTransport Package
Bulk Pack Small BoxedSpecification
M4-M20Trademark
CustomizedOrigin
ChinaHS Code
731816Production Capacity
10000ton/YearKey features
We are a Factory Direct Supplier: Professional manufacturer of concrete screws, factory direct supply without middlemen markup.
Multiple Materials & Surface Finishes: Material: Carbon Steel, SS304, SS316
Surface treatment: Yellow Zinc Plating (Hot Selling), Blue White Zinc Plating, Geomet, Plain
Various Head Types & Thread Options:Head types: Hex Flange Head, Pan Head, Countersunk Head
Threads: Single Thread, High-Low Thread. High-low thread can tap internal thread automatically for firm lock
Negotiable Price: Competitive price with flexible negotiation based on your order quantity.
Strict Quality Assurance: 100% quality guarantee. Rigorous testing ensures reliable performance and compliance with industry standards.
Sufficient Stock & Fast Lead Time: Most sizes available in stock. Lead time: 5-7 days for orders below 5,000 pcs.
The alternating high- and low-profile thread design provides a strong grip, ensuring the fastener remains secure in concrete and brick substrates and stays firmly in place for the long term.
Suitable for fastening to concrete, brick, masonry, and stone substrates; widely used in curtain wall installation, architectural decoration, and civil engineering projects.
Can be used to install guardrails, air conditioner brackets, solar panel mounts, and signage, meeting the needs of various indoor and outdoor hardware mounting projects.
Our fastener factory offers OEM services based on your requirements, drawings, or samples.
Company profile
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: ≤0.36hTerms of Payment: T/T
AI-Powered supplier vetting
SummaryThe supplier has a strong export orientation with 90% of sales from exports and has been exporting for 22 years. They hold an ISO9001:2015 certification, indicating a commitment to quality management. However, they lack collaboration with Fortune 500 companies and do not provide OEM services for popular brands. Financial data is not available, indicating potential concerns in this area. Their innovation capability is limited with no new products launched last year and minimal R&D resources. Production capabilities include full customization and 100% finished product inspection, but only two quality inspectors are present.
Supplier typeThe supplier is primarily export-oriented, with 90% of sales from exports and no overseas warehouses or showrooms.
CertificationsThey hold an ISO9001:2015 certificate, demonstrating a commitment to quality management systems.
Financial creditFinancial data is missing, with no operating revenue or profit reported, raising concerns about financial stability.
R&D capabilityThe supplier has limited innovation capacity with no new products launched last year and only one R&D engineer.
Production capacityThe supplier conducts 100% finished product inspection and offers various levels of customization, though it employs only two quality control inspectors.
Customization capabilityThe supplier offers extensive customization options, from minor to full product customization.
Client casesThe supplier has not collaborated with Fortune 500 companies and has no notable customer cases reported.
Product Q&A
Q:Who are we?
A:
We are a factory based in Zhejiang, China, with over 20 years of experience in producing and exporting hardware fasteners.
Q:What products do you offer?
A:
We supply screws, bolts, nuts, washers, anchors,stamping parts and tool.
Q:How do you ensure quality?
A:
Our professional QC team inspects every item throughout production and before packaging.
Q:Do you provide samples? Are they free?
A:
Yes, we provide free samples for quality testing, but customers cover the express charges.
Q:What are your payment terms?
A:
Our standard terms: 30% T/T deposit, with the remaining balance payable against the draft copy of B/L.
Send Inquiry
*To:
Qewitco Fasteners Co., Ltd
Qewitco Fasteners Co., Ltd*Content:
Supplier replies will be sent to your registered email
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