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:

• Sold individually – minimum order quantities may apply
• Fast UK dispatch from our Tipton warehouse
• Call 0121 270 8507 for bulk pricing or trade accounts

Related Products:

• Explore all Concrete Fixings
• View compatible Threaded Rod & Nuts
• Read about BSI standards for mechanical fixings