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Concrete Screw Stair Bolt LONG W-BS/S | Zinc-Plated Steel | M8 Connection Thread | @Pack of 100 | by 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 thread. Ideal for professional applications, this economical solution offers high load capacity and flexibility with up to three effective anchorage depths, making it perfect for fastening through thick insulation materials.
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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.
