Description
Achieve maximum holding strength on hollow walls with the Unicrimp QWSBF24 Bullfix Heavy Duty Plasterboard Fixing Pack. Manufactured from tough glass-filled nylon and supplied with mild steel zinc-plated Pozi countersunk screws, this fixing system provides a reliable, high-capacity anchor that prevents damage to the plasterboard core.
Featuring a smart wing mechanism, the Bullfix system deploys behind the board to evenly distribute heavy loads. Designed for quick 5-step installation, it requires a standard 20mm drill bit and fits plasterboard thicknesses between 12.5mm and 15mm with a minimal rear cavity requirement of just 7mm.
Key Features & Performance
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Heavy-Duty Load Capacity: Delivers up to 116kg maximum shear load on 15mm plasterboard.
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Patented Smart Wing Design: Hooks securely behind the board without loosening over time or damaging drywall.
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Minimal Cavity Needed: Requires only 7mm minimum cavity depth behind the board, making it ideal for stud walls and dot & dab installations.
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Complete Trade Pack: Supplied as a 24-piece pack complete with matching Pozi countersunk wood screws.
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Durable Construction: High-strength glass-filled nylon collar & fixing paired with zinc-plated mild steel screws.
Technical Specifications
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Brand: Unicrimp / Q-Crimp (Scolmore Group)
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Part Code / MPN: QWSBF24
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Luckinslive / EAN: 438961562
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Pack Quantity: 24 Fixings & Screws
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Drill Size: 20mm
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Thread Length: 20mm
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Plasterboard Thickness: 12.5mm – 15mm
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Minimum Cavity Required: 7mm
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Screw Gauge / Size: No. 10 / 5mm Diameter (Pozi Countersunk)
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Collar & Fixing Material: Glass Filled Nylon
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Screw Material: Mild Steel Zinc Plated
Weight & Load Limits
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12.5mm Plasterboard: Max Shear Load: 103kg | Max Tension Load: 37kg | Max Cantilever Load (@ 150mm): 29kg
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15mm Plasterboard: Max Shear Load: 116kg | Max Tension Load: 49kg | Max Cantilever Load (@ 150mm): 34kg
