Self-Drilling Screw can drill into thickness test plate, because their hardness condition is higher than Tapping Screw. Our advantage is #4PT & #5PT which can drill into 5mm thickness of sheet metal plate for testing. The thread of SDS won't be caused damage after drilling it.
*Thread Type: Type BSD, Type CSD (with wings, noticed or shank shank slot
*Standard: IFI, DIN, ISO, JIS , BS
*Point: #1PT ~#5PT.
our advantage is #4PT & #5PT can drill into thickness 5mm of sheet metal plate for testing.
*Z point: excellent than regular types
*Spoon point is used Concrete or Wood.
Our company is a professional manufacturer in Hardware Industry in Asia. We are specialized in S.D.S screw.