10 X 3 1/2 Twin-Thread Screws C/Sunk Z/Plated Box 100

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. NOTE: Partially threaded.



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

Gauge : 10

Length inch : 3 1/2

Recess Type : Pozi

Point Type : 25° Sharp