Chumbador Parabolt

Product Specification

• Product Name: Elevator Expansion Anchor / Parabolt Sleeve Anchor
• Category: Concrete Anchoring Series
• Portuguese Name: Chumbador Parabolt / Chumbador com Parafuso / Chumbador com Prisioneiro
• Material: Low Carbon Steel / Carbon Steel / Stainless Steel
• Surface Treatment: Zinc Plated

Size Range

• Imperial Sizes: 1/4", 5/16", 3/8", 1/2", 5/8", 3/4"
• Metric Sizes: M6, M8, M10, M12
• Standard Thread: UNC / ASME B1.1 - 2A
• Drill Hole Diameter: Standard expansion anchor specification

Applicable Base Materials

• Concrete structures
• Solid brick walls
• Stone and masonry
• Reinforced structural substrates

Application Areas

• Construction structural fixing
• Industrial machinery installation
• Handrail and guardrail systems
• Doors, gates and steel structures
• Lighting and electrical installations
• Roofing and canopy fixing systems
• Elevator and heavy equipment anchoring

Product Advantages

• Stable mechanical expansion structure with high reliability
• Compatible with concrete, brick and stone substrates
• Full size range suitable for engineering applications
• Well recognized in Brazil and South American markets
• Suitable for OEM and distributor supply chain

Limitations & Market Challenges

• High price transparency and strong price competition
• Requires pull-out and shear test data for project approval
• Standardized product with limited differentiation
• Strong local and Chinese OEM competition in Brazil market

Manufacturing & Development Notes

• Requires precise sleeve thickness and cone angle control
• Cold forming, stamping, threading and assembly process
• Surface treatment: zinc plating for corrosion resistance
• Suitable for mass production and engineering supply projects