Timco Drywall Screws 4.2 x 65 Coarse Thread Black Box of 500

These TIMCO Drywall Coarse Thread Bugle Head Black Screws are designed for securing plasterboard to timber stud work. Manufactured to JISB1125 (1995) and independently tested to ASTMC1002-89, they feature a 25 Super Sharp point and 60 thread. They are plated in zinc or black phosphate to withstand salt spray tests, and are fully threaded up to 50 mm with partial threading thereafter. Made from C10-18 steel and surface hardened up to 750 HV to prevent torque shearing under load. Suitable for drywall applications requiring reliable fastening into timber studs.

Technical details

Dimensions: 4.2 mm x 65 mm. Thread type: Coarse. Head type: Bugle. Threading: Partially threaded. Material: C10-18 steel. Hardened surface up to 750 HV. Plating: zinc or black phosphate. Compliance: JISB1125 (1995) and ASTMC1002-89. Salt spray resistance: 50 hours. Fully threaded up to 50 mm; partially threaded thereafter; suitable for plasterboard to timber stud work.

Features

• Coarse thread for plasterboard to timber
• Bugle head for flush drywall finish
• Partially threaded beyond 50 mm length
• 4.2 x 65 mm size
• Zinc or black phosphate plating