Customizable Expansion Bolt Elevator Screws for Sturdy Railing Support

• Customization: Available
• Material: Carbon Steel
• Type: Round Head
• Model NO.: 1-1
• Connection: Common Bolt
• Head Style: Round
• Standard: DIN
• Grade: 4.8
• Application: Machinery, Building
• Finish: Color-Zinc Plated
• Applicable Industries: Construction, Manufacturing, etc.
• Whether to Support Customization: Support
• Thread Type: Half Thread
• Product Grade: Level a
• Transport Package: Container
• Specification: 1-30
• Trademark: Huilin
• Origin: Handan, Hebei
• HS Code: 0101101010
• Production Capacity: 50000

Product Description

Elevator railing expansion screws, often referred to as 'elevator geckos' or 'elevator expansion screws,' are uniquely crafted threaded connectors tailored for the elevator installation accessories sector. Below is an in-depth overview of these exceptional expansion screws designed for elevator railings:

1, Definition and Composition

Expansion screws epitomize their function through friction that results in powerful anchorage via expansion. Composed of countersunk bolts, expansion tubes, flat and spring washers, plus hex nuts, these screws ensure flawless assembly. Upon insertion into a pre-drilled hole, the expansion tube extends to grip the hole walls securely, thereby anchoring elevator railings and other integral components with unparalleled firmness.

2, Characteristics and Applications

• Features:

Seismic resistance and durability: These elevator railing expansion screws offer robust post-expansion performance, designed to endure substantial vibrations and heavy loads, thereby guaranteeing the steadfastness and security of elevator railings.

• Quick assembly: Their installation is not only swift but also straightforward, significantly reducing both installation time and labor expenses.

• Strong fastening force: Implementing thickened sleeves and enlarged flat washers, they provide formidable fastening strength, ideal for heavy-duty applications.

• Purpose: Primarily utilized for the secure fixing of elevator tracks, brackets, racks, elevator railings, among other components, ensuring the system's overall stability and safety.

3, Specifications and Selection

Elevator railing expansion screws come in a variety of specifications such as M8, M10, and M12, among others. Selection should be guided by the installation setting and specific usage demands. Key factors to consider include:

• Substrate type: Designed for robust substrates like concrete and dense natural stone, these screws guarantee steadfast adherence to the chosen substrate.

• Tension value: Choose screws with suitable tension to match the installation context, ensuring both reliable and safe connections.

Product quality: Opt for renowned brands with a proven track record to secure the performance and longevity of the expansion screws.

4, Installation precautions

When installing these critical expansion screws for elevator railings, the following guidelines must be adhered to:

Drilling requirements: Employ the correct drill bit for the hole, verifying depth and diameter align with expansion screw specifications. Drilling must be perpendicular to the substrate's surface to prevent misalignment or deviation.

Clean up debris in the hole: Prior to inserting the expansion screw, ensure all dust, powder, or debris is thoroughly cleared to facilitate smooth expansion and optimal hole wall adhesion.

Tightening force: Utilize tools like wrenches with precision, applying moderate force to circumvent over-tightening, which could cause screw breakage or substrate damage.

5, Maintenance and Inspection

To uphold the strength and safety of the expansion screws on elevator railings, routine maintenance and inspections are pivotal. This involves checking for loose screws, deformed or damaged expansion tubes, etc. Any irregularities should be promptly addressed with repairs or replacements.

In summary, elevator railing expansion screws are vital components in elevator installation, celebrated for their earthquake resistance, durability, and swift assembly capabilities. Selection and installation must be meticulously considered to guarantee connection reliability.