This screw can be used on steel-built structures, such as scaffoldings, staircases, fences, and iron frames. The customized drill tail can be adjusted according to the purpose of use; it can drill through an iron plate up to 12.5mm thick. The weatherproof grade of the surface coating can also be adjusted in accordance to the conditions of the areas.
* Our self-made heading die provides a precise head angle that perfectly fits the socket.
* The drill tail can be well positioned on the steel plate when tapping and is not easy to slip
|Model No.||Material||Head Type||Shank Diamter||Length||Drive Type|
|HW CK Three groove on the thread||1022||HW||12#-24||32|