Twin Woodscrew PZ1 CSK Zinc - 4 x 1/2 (Box 200)

TIMCO Twin-Threaded Countersunk Silver Woodscrews - 4 x 1/2

A traditional twin-thread woodscrew with single lead start for a fast installation. Mainly used in soft timber applications or masonry with a plastic plug.

Double countersunk head reduces the likelihood of head shear and assists completion of countersinking

Partially threaded from 1 1/4” and above

Made from C10-18 steel to ensure consistent quality

60 ° twin-threads with parallel shank for faster insertion and greater pull-out resistance

Surface hardened up to 750 HV to prevent torque shearing under load and a core hardness of up to 450 HV for improved ductility

25 ° sharp point and single lead for a fast start and improved thread acceptance