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Black Flange Serrated Seismic Concrete Bolt Anchor for Masonry Base Fixing
US$0.085-0.40
1,000 Pieces
Sample price:US$20.00/piece.Request sample
Product profile
Customization
AvailableCertification
CE, GS, ISO, RoHSFinish
Zinc Plate,Hot-DIP GalvanizingModel NO.
Hex Flange Head Concrete BoltsInstallation Method
Drilling and HammeringMaterial
Carbon SteelType
Concrete Anchor Bolt-FlangeDelivery
15-30 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,FasteningTransport Package
Bulk Pack Small BoxedSpecification
1/4" 3/8"Trademark
QewitcoOrigin
ChinaHS Code
731816Production Capacity
10000ton/YearKey features
This hex flange concrete bolt with serrations has anti-slip serrations under flange. It bites the workpiece surface after tightening to prevent slipping.
It adopts special High-low concrete thread, which firmly engages with concrete or brick wall and delivers high pull-out load capacity.
Hex flange head matches wrench operation with uniform force, convenient for fast installation and fastening on construction sites.
Galvanized surface treatment improves rust resistance, suitable for indoor and outdoor fixing projects on brick, stone and concrete.
No expansion sleeve required. It can be screwed directly into pre-drilled substrate, simplifying construction steps and saving accessory purchasing cost.
Multiple diameters and lengths are in stock, non-standard customization available for guardrail, door & window and steel base fixing.
OEM and ODM Services: Full customization support available based on customer drawings or physical samples.
Free of charge samples are offered for your quality inspection, buyers only need to bear the courier freight.
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: ≤0.47hTerms 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 sizes of hex flange head concrete bolts can you supply?
A:
We provide a full range of standard sizes. Custom diameters and lengths can be manufactured according to your technical requirements.
Q:What are the advantages of hex flange head concrete bolts?
A:
The hex head allows convenient tightening with standard spanners, and the special thread delivers strong gripping force inside concrete substrates.
Q:What raw material are these hex head concrete bolts made from?
A:
They are made of high strength carbon steel. Stainless steel grades can be customized if you need better corrosion resistance.
Q:What surface treatment options are available?
A:
Blue-white zinc plating, yellow zinc plating and mechanical galvanization are available to meet different anti-rust demands.
Q:What base materials are suitable for installing hex head concrete bolts?
A:
They are suitable for solid concrete, brick, masonry and concrete blocks, widely used in construction and equipment fixing works.
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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