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The Yellow Zinc Plated Sleeve Anchor with a Flange Nut serves as a critical fastening solution engineered for securing heavy loads to solid substrates such as concrete, solid brick, and masonry blocks. This expansion anchor features a meticulously machined threaded stud with a precision cone-shaped end, a smooth expandable sleeve, and a robust flange nut. The integrated flange nut is specifically designed to distribute clamping force evenly across a broader surface area, effectively mitigating the risk of material fracture or surface damage during torque application. Enhanced with a premium yellow zinc electroplating process, the anchor presents a distinct iridescent golden finish that not only offers a professional aesthetic but also provides a formidable barrier against moisture and atmospheric corrosion. The tactile engagement of the threads ensures smooth nut rotation, allowing for precise tensioning in demanding industrial environments.
Manufactured from industrial-grade carbon steel, these metal anchors deliver superior tensile and shear strength compared to standard plastic alternatives. Every batch undergoes rigorous pull-out force testing to guarantee reliable performance under heavy wind loads and structural stress.
The premium yellow zinc-plated finish acts as a sacrificial shield, dramatically enhancing resistance to rust and oxidation. This surface treatment ensures long-term structural integrity even in harsh, moisture-prone construction environments.
Our production facilities operate under ISO9001 and ISO14001 management systems. Each expansion anchor bolt strictly complies with internationally recognized standards, including DIN, GB, and UNC specifications. We fully support third-party inspections, such as SGS, to verify dimensional accuracy and mechanical properties prior to dispatch.
Constructed entirely from non-combustible carbon steel, these sleeve anchors maintain their holding power during extreme temperature fluctuations, making them indispensable for fire-rated structural assemblies.
The wide bearing surface of the attached flange nut provides a secure, vibration-resistant connection. It prevents the fixture from shifting or dislodging over time, ensuring a stable hold for critical installations.
These anchors exhibit exceptional versatility, performing reliably across various base materials including poured concrete, solid masonry, and structural brickwork.
Engineered for efficiency, the smooth sleeve and precision-cut threads allow for rapid deployment with standard hammer drills and wrenches, significantly reducing on-site labor time.
The following technical data sheet outlines the precise specifications, material grades, and dimensional availability of our sleeve anchors. These parameters ensure accurate specification for your engineering and procurement requirements.
| Color | yellow |
| Finish | Bright(Uncoated) |
| System of Measurement | INCH, Metric |
| Place of Origin | Zhejiang |
| Brand Name | Donghuang |
| Material | Carbon Steel |
| Model Number | DIN |
| Diameter | M10, M12, M20 |
| Product name | sleeve anchor with hex flange nuts |
| Application | Building Construction |
| Packing | Small Box+Carton+Pallet |
| Grade | 4.8 8.8 10.9 12.9 |
These expansion anchors are essential for securely fastening structural steel profiles, heavy-duty handrails, safety barriers, and large-scale architectural signage to solid concrete walls. The yellow zinc plating ensures these exterior and interior fixtures remain securely anchored without unsightly rust bleeding down the masonry.
Ideal for mounting heavy commercial door frames, reinforced window perimeters, industrial shelving units, and HVAC ductwork supports. The flange nut distributes the load evenly, protecting delicate fixture frames from localized crushing or deformation during the final tightening phase.
In manufacturing facilities, these sleeve anchors provide the necessary rigid stabilization for heavy machinery, conveyor belt supports, and multi-tier warehouse storage racking systems. The consistent expansion of the sleeve guarantees that equipment remains firmly planted, minimizing dangerous vibrations and shifting during active operation.
Utilizing an industrial rotary hammer drill equipped with a carbide-tipped masonry bit matching the anchor's exact outer diameter, bore a hole into the concrete substrate. Ensure the hole depth exceeds the required embedment length by at least one anchor diameter to accommodate any residual dust.
For maximum holding capacity, the drilled cavity must be immaculate. Use a stiff wire brush to loosen compacted concrete dust, followed by high-pressure compressed air or a specialized industrial vacuum to extract all particulates. A clean hole ensures optimal friction between the expandable sleeve and the base material.
Position the structural fixture or mounting plate directly over the prepared hole. Verify that the clearance hole in the fixture is appropriately sized to allow the anchor body to pass through without excessive binding.
Drive the assembled sleeve anchor through the fixture and into the concrete using steady, controlled strikes with a heavy mallet. Continue driving until the integrated flange nut and washer sit completely flush against the surface of the fixture.
Engage the hex flange nut with a calibrated torque wrench. Tighten the nut smoothly until it is firmly snug against the fixture, then apply an additional 3 to 4 full rotations to fully expand the internal sleeve. Adhere strictly to the specified installation torque to prevent thread stripping or localized fracturing of the concrete base.
A: Ningbo Donghuang Hardware Co., Ltd. operates as a dedicated manufacturing facility with years of specialized experience in fastener production and global export. We possess a robust supply chain and extensive monthly production capacity, enabling us to respond swiftly to large-scale procurement demands and ensure highly efficient delivery schedules for bulk volume orders.
A: Yes, beyond our standard carbon steel, stainless steel, brass, and aluminum offerings, we provide comprehensive OEM and ODM customization services. Backed by our dedicated R&D team, we can manufacture non-standard fasteners based on your precise technical drawings, specific material grades, and unique application requirements, delivering an end-to-end solution from initial design to mass production.
A: Absolutely. We are fully committed to supporting your quality assurance processes and are more than happy to provide complimentary product samples prior to formal order placement. This allows you to physically verify the dimensional accuracy, thread smoothness, and the protective yellow zinc plating firsthand.
A: In standard practice, a 30% deposit of the total order value is required upon order confirmation, with the remaining 70% balance settled prior to shipment. Alternative payment structures can be negotiated based on long-term partnerships. Once finalized, your order is secured using our industrial-grade packaging protocol—utilizing a "Small Box + Heavy-Duty Carton + Solid Pallet" configuration—guaranteeing that your shipments remain entirely secure, moisture-protected, and easy to handle during international sea freight transit.
