Mungo 5220103

Professional Summary

• Manufacturer: Mungo (Switzerland)

• Article / Part Number: 5220103

• Product Line / Type: Metal Frame Screw / Fine Thread Fastener

• Material & Coating: High-grade Carbon Steel, Black Phosphated (engineered for corrosion resistance against wet plaster and joint compounds).

Dimensions & Installation Specs

• Screw Diameter ($d$): 3.9 mm

• Total Length ($L$): 55 mm

• Drive Type: PH2 (Phillips No. 2) (standard crosshead for high-speed drywall/frame screw guns).

• Thread Type: Fine Thread (optimized for tapping and locking into steel profiles and metal frame studding).

• Head Type: Bugle Head (countersinks smoothly without tearing paper faces or thin liners).

Key Features & Engineering

• Needle Point Sharpness: Hardened pierce point designed to instantly bite and punch through light-gauge metal profiles (up to 0.7 mm thickness) without walking or pre-drilling.

• Structural Framing Hold: The engineered pitch provides maximum friction lock inside metal track systems.

• Phosphate Treatment: Special surface coating prevents rust bleeding through finished decorative surfaces.

Application Range:

Fixing double-layer gypsum boards, heavy acoustic panels, or structural liners directly to interior metal frame wall linings and stud partitions.