Blackjax 6 x 1 Woodscrew Black 200Pk 00061BJC

BlackJax Woodscrew. For general applications into softwoods and various types of hardwood. Designed and manufactured to BS 1210 Standards - major diameter and threads excepted. 25 sharp point and single leading thread for a fast start and improved thread acceptance. 60 Twin-threads with parallel shank for faster insertion and greater pull out resistance. Large core diameter for extra strength. Surface hardened up to 750 HV to prevent torque shearing under load and a core hardness of up to 450 HV for improved ductility. Plated in zinc to a minimum of 7.5 microns and black passivated. Made from C10-18 Steel to ensure consistent quality.

Key Features

Plated in zinc to a minimum of 75 microns and black passivated. Made from C10-18 Steel to ensure consistent quality. Double countersunk reduces the likelihood of head shear and assists completion of countersinking. Surface hardened up to 750 HV to prevent torque shearing under load and a core hardness of up to 450 HV for improved ductility. 60 degree Twin-threads with parallel shank for faster insertion and greater pull out resistance.