These TIMCO Drywall Fine Thread Bugle Head Black Screws are designed to secure plasterboard to wall and ceiling track systems. Manufactured from C10-18 steel and surface hardened to prevent torque shearing, they feature a fine thread and bugle head for efficient embedding. The screws are plated in zinc or black phosphate and pass salt spray testing, with specifications aligned to established standards. They are suitable for use with plasterboard up to 0.6 mm thickness, offering reliable performance in track assemblies and ensuring secure fastening for lightweight wall and ceiling installations.
Specifications
- Size: 3.5 x 38 mm
- Type: Fine thread
- Head: Bugle head
- Color: Black
- Material: C10-18 Steel
- Finish: Zinc or black phosphate
- Fully threaded up to 50 mm; partially threaded thereafter
- Standards: JIS B1125 (1995); IFI ASTMC1002-89
- Salt spray: 50-hour test
- Maximum board thickness: 0.6 mm
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