Timco Twin-Threaded Wood Screws 4 x 1″ 200 Box

Timco Twin-Threaded Wood Screws 4 x 1″ 200 Box.

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