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Various Surface Finish Fastener Countersunk Concrete Screw with Curved Cut-Line Thread
US$0.03-0.19
1,000 Pieces
Sample price:US$20.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Stainless/Carbon SteelType
Countersunk Concrete/Masonry ScrewModel NO.
csk concrete screwGroove
TorxConnection
Common ConnectionHead Style
Counter Sunk BoltStandard
DIN, GB, ANSI, BSW, JIS, GOST, ISOGrade
8.8, 10.9, 12.9Delivery
5-15 DaysPackag Color
CustomizableThread Standard
Unc/Unf/Unef/Uns/Bsw/Bsf/Metric Coarse/Metric FineThread Type
Hi-Low Thread,Single ThreadFinish
Zinc Yellow Plated,Stainless Steel,PlainCustom Order
Customization by Drawing/SampleODM/OEM
AvailableService
Custom-Made ServiceMaterial Test Certificate
HaveSample
Samples in Stock Are Free with Freight CollectPrice Terms
Fob/CFR/CIF/DDP/DAPColor
Zinc Plated, Zinc Yellow, Zinc Flakeor CustomizabQuality Control
100% Quality InspectionApplication2
Connection, Fastening,Building,ConstructionTransport Package
Bulk Pack Small BoxedSpecification
M7.5, LENGTH 52 - 212MMTrademark
QewitcoOrigin
ChinaHS Code
731816Production Capacity
10000ton/YearKey features
Superior Grip Design: Partial hi-low thread with three notches for enhanced pull-out resistance in masonry.
Anti-Slip Torx Drive: TX30 star-shaped socket minimizes bit deterioration and eliminates slippage during installation.
Corrosion Resistant Materials: Available in high-strength carbon steel grade 8.8 or stainless steel A2/A4.
Multi Surface Treatment: Yellow zinc plating, black oxide and raw stainless finishes for different anti-rust demands.
Certified Performance: ETA 05/0137 certified and meets ETAG 001 Appendix E requirements for concrete applications.
Efficient Chip Clearing: 120-degree spaced grooves at thread root effectively remove concrete debris.
Reduced Installation Force: Dual-height threading on initial 30mm segment lowers torque requirements by 30%.
Flat Countersunk Head: Fully embedded into wall surface without protrusion to avoid panel scratches.
Wide Application Range: Perfect for concrete, red brick, stone and other hard masonry substrates.
Comprehensive Quality Control: 100% visual inspection with Material Test Certificate provided for all orders.
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: ≤0.94hTerms 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:Is the shank durable for repeated installation?
A:
Whole heat treatment improves toughness, not easy to break under heavy driving force.
Q:Do you provide samples? Are they free?
A:
Yes, we provide free samples for quality testing, but customers cover the express charges.
Q:Why choose countersunk head?
A:
The head is fully hidden inside substrates, no protruding edges to scratch decoration surfaces.
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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