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Stable Precision High Quality Hex Flange Head Concrete Bolts
US$0.085-0.40
1,000 Pieces
Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

Hex Flange Head Concrete Bolts

Connection

Common Bolt

Head Style

Flange Head

Standard

DIN

Grade

8.8

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Color-Zinc Plated

Standard Grade

DIN 7500 CE

Finish II

HDG,Mechanical Galvanised,Zinc Flake

Terms of Trade

OEM/ODM

Transport Package

Bulk Pack Small Boxed

Specification

6MM TO 16MM

Trademark

Qewitco

Origin

China

HS Code

731816

Production Capacity

10000ton/Year

Key features

Solid External Hex Head Design: Standard hex head delivers stable torque transmission and fits most impact wrenches and hand sockets.
High-Strength Heat-Treated Carbon Steel: Provides excellent tensile strength and reliable load-bearing capacity for concrete anchoring.
Strict Dimensional Machining Control: Precise tolerance ensures consistent installation effect and good interchangeability.
Coarse Self-Tapping Thread Profile: Optimized thread cuts directly into concrete without extra tapping processes.
Precision Tapered Penetration Tip: Streamlined tip enables smooth penetration and accurate positioning during installation.
Optional Full & Half Thread Versions: Multiple thread configurations to satisfy various assembly and fastening requirements.
Excellent Pull-out & Shear Resistance: Deep thread engagement maintains stable fastening under vibration and dynamic loads.
Low Installation Friction: Smooth thread surface reduces screwing resistance and minimizes thread damage during tightening.
Wide Civil Construction Application: Suitable for new building projects, house renovation and infrastructure fixing works.
Outdoor Hardware Mounting: Ideal for installing solar brackets, metal guardrails, pipeline supports and outdoor sign frames.

Company profile

Qewitco Fasteners Co., Ltd
Years of Export ExperienceExperienced TeamSelf-brandedHigh Repeat Buyers Choice
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: ≤0.17hTerms 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 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 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.

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