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Concrete Screw Stair Bolt LONG W-BS S Zinc-Plated Steel M8 Connection Thread Wurth
Concrete Screw Stair Bolt LONG W-BS S is designed for secure fastening in concrete and masonry, featuring a durable zinc-plated steel construction and M8 connection
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Technical Specifications
- Anchor size: 6 mm
- Anchor length: 155 mm
- Connection thread: M8 x 16
- Attachment heights: 120 mm, 115 mm, 100 mm
- Thread diameter: 7.5 mm
- Nominal drill-bit diameter: 6.0 mm
- Drill hole depths: 40 mm, 45 mm, 60 mm
- Embedding depths: 35 mm, 40 mm, 55 mm
- External drive: WS10
- Material: Steel
- Surface finish: Zinc plated
- Head type: With connection thread (metric)
- Type description: W-BS type ST
- Through-hole diameter in component: 8.0 mm
- Dimensions (H x L x W): 155mm x 155mm x 6mm
- Weight: 0.5 kg
Key Features
- Economical and fast fastening solution
- Zinc-plated steel for corrosion resistance
- Up to three effective anchorage depths for flexible application
- Extra-long versions for fastening through insulation materials
- Metric connection thread (M8 x 16) for direct fastening
- High load capacity with very low expansion effect
- Very fast and easy installation with immediate load-bearing capacity
- Fastening can be adjusted up to two times after installation
Professional Installation Requirements
- Professional installation by a qualified tradesperson is recommended to ensure correct anchorage and load-bearing capacity.
Applications
- Fastening pipe clamps, spacer sleeves, and rails through thick insulation materials
- Anchorage in concrete and masonry
- Suitable for large fixture thicknesses and overhead installations
Standards & Compliance
- Complies with AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
- Durable zinc-plated steel reduces the need for frequent replacements
- Efficient fastening reduces material waste during installation
Warranty Information
Warranty information available upon request from Wurth; typically includes coverage against manufacturing defects.
Available Now
Wurth Concrete Screw Stair Bolt LONG W-BS/S 100 PCS is available now for immediate purchase. Ideal for construction and building applications requiring secure fastening in concrete and masonry.
