Description M8 M10 Concrete Screw – Fischer FBS 6x35mm Dual Thread Anchor This M8 M10 concrete screw from Fischer is a dual-thread, female anchor ideal for supporting strut systems, pipework, and cable containment from prestressed concrete ceilings. Designed with a dual internal thread (M8 and M10), it provides flexible installation using either thread size — making it a trusted solution across HVAC, M&E, and containment sectors. �� Product Features: Model: Fischer FBS 6x35mm Female Concrete Screw Thread: M8 / M10 dual internal thread (single fitting accepts both) Finish: Bright Zinc Plated (BZP) for corrosion protection Drill Hole: 6mm diameter | Minimum depth: 45mm Embedment Depth: 35mm | Projection: 26.5mm Fire Rated: Classification R120 Approval: ETA / CE certified Reference: Fischer Code 523912 (FBS 6×35 M8/M10I) ✅ Applications: Securing Unistrut, cable trays, and electrical containment Suspending mechanical and ductwork systems Use in prestressed concrete ceilings and soffits �� Why Choose This Dual Thread Concrete Screw? Unlike standard anchors, this dual-thread concrete fixing saves time and inventory space by accommodating both M8 and M10 threaded rods. It provides high load performance, certified fire resistance (R120), and quick install times — making it a reliable equivalent to the Hilti HUS3 range at a competitive price. �� Ordering & Delivery ✔ Trusted UK Delivery – 95% of orders dispatched within 24 hours Most orders arrive within 1–2 working days as standard. Note: Heavy or bulk orders, as well as special cut lengths or non-standard products, may take slightly longer to dispatch. For bulk quantities or trade pricing, please call our team on 0121 270 8507. �� Related Products: Explore all Concrete Fixings View compatible Threaded Rod & Nuts Read about BSI standards for mechanical fixings
