Unicrimp QWSBF10 Bullfix Heavy Duty Plasterboard Fixings & Screws (10 Pack)

Original price was: £16.50.Current price is: £11.00. £13.20 Inc VAT

The Unicrimp Q-Crimp QWSBF10 is a pack of 10 heavy-duty Bullfix plasterboard fixings complete with Pozi countersunk screws. Engineered with a patented wing design, these glass-filled nylon anchors lock securely behind 12.5mm to 15mm plasterboard, requiring just a 7mm minimum cavity. Ideal for mounting heavy items like TVs, radiators, cupboards, and shelving.

5 in stock

Estimated Standard Delivery Aug 28, 2026 - Aug 31, 2026
SKU: QWSBF10 Category: Tag:

Description

Achieve maximum holding strength on hollow walls with the Unicrimp QWSBF10 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 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

  • Heavy-Duty Load Capacity: Delivers up to 116kg maximum shear load on 15mm plasterboard.

  • Patented Smart Wing Design: Hooks securely behind the board without loosening over time or damaging drywall.

  • Minimal Cavity Needed: Requires only 7mm minimum cavity depth behind the board, making it ideal for stud walls and dot & dab installations.

  • 10-Piece Pack: Supplied as a 10-piece pack complete with matching Pozi countersunk wood screws.

  • Durable Construction: High-strength glass-filled nylon collar & fixing paired with zinc-plated mild steel screws.

Technical Specifications

  • Brand: Unicrimp / Q-Crimp (Scolmore Group)

  • Part Code / MPN: QWSBF10

  • Luckinslive: 438961559

  • Pack Quantity: 10 Fixings & Screws

  • Drill Size: 20mm

  • Thread Length: 20mm

  • Plasterboard Thickness: 12.5mm – 15mm

  • Minimum Cavity Required: 7mm

  • Screw Gauge / Size: No. 10 or 5mm Diameter (Pozi Countersunk)

  • Collar & Fixing Material: Glass Filled Nylon

  • Screw Material: Mild Steel Zinc Plated

Weight & Load Limits

  • 12.5mm Plasterboard: Max Shear Load: 103kg | Max Tension Load: 37kg | Max Cantilever Load (@ 150mm): 29kg

  • 15mm Plasterboard: Max Shear Load: 116kg | Max Tension Load: 49kg | Max Cantilever Load (@ 150mm): 34kg