Product description
A self-drilling is used only to describe a specific type of thread-cutting screw intended to produce a thread in relatively soft material or sheet materials, excluding wood screws. Other specific types of self-tapping screw include self-drilling screws and thread rolling screws.
Specification DIN7504L/P/N, AS3566.1, JIS, IFI
Length 3/8"~1.5" (9.5mm~38mm)
Material Grade Carbon Steel SAE 1022