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Concrete Screw with Hexagon Head W-BS 2/A4 | 8mm Anchor Size | A4 Stainless Steel | @Pack of 50 | by Wurth
Concrete screws with hexagon head W-BS 2/A4 are designed for reliable fastening in concrete, featuring an 8mm anchor size and made from durable A4 stainless steel. Ideal for mounting metal structures and fixing railings, these screws ensure high working loads and easy installation, making them perfect for medium to heavy load applications.
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Technical Specifications
- Anchor size: 8 mm
- Anchor length: 70 mm
- Attachment heights: 25 mm, 15 mm, 5 mm
- Thread diameter: 10 mm
- Nominal drill-bit diameter: 8 mm
- Drill hole depths: 55 mm, 65 mm, 75 mm
- Embedding depths: 45 mm, 55 mm, 65 mm
- External drive: WS13
- Material: Stainless steel A4
- Surface: Plain
- Washer diameter: 16 mm
- Head diameter: 15 mm
- Through-hole diameter: 12 mm
- Head type: Hexagon head
- Dimensions (H x L x W): 70mm x 70mm x 15mm
- Weight: 0.15 kg
Key Features
- High working loads and easy installation
- Made from A4 stainless steel for durability
- New thread geometry ensures smooth screwing and greater efficiency
- Fastest type of fastening for medium and heavy loads
- Three effective anchorage depths for flexible application
- Attachments can be adjusted up to twice retrospectively
- Minimum spacing and edge distances due to very low expansion effect
- Proof of Performance with European technical assessment ETA-22/0123
- Suitable for cracked and non-cracked concrete
- Fire resistance ratings R30, R60, R90, R120
- Seismic effect performance category C1
Professional Installation Requirements
- Installation should be performed by a qualified professional following the manufacturer's instructions to ensure proper anchorage and safety.
Applications
- Mounting metal structures in concrete
- Fixing staircase railings
- Anchoring plates in concrete
- Medium and heavy load fastening in concrete
Standards & Compliance
- Complies with AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
- Made from corrosion-resistant stainless steel for long service life reducing replacement waste
- Efficient fastening reduces material waste and energy use during installation
Warranty Information
Wurth provides warranty coverage against manufacturing defects as per company policy.
Available Now
Wurth Concrete Screw with Hexagon Head W-BS 2/A4 Type H 50 PCS is available for immediate purchase, ideal for construction and structural fastening applications.
