CHINA PRODUCTS - Self Drilling Screws
Self Drilling Screws
Self drilling screw is usually confused to self tapping screw. The biggest difference is winds on the sharp tip for self drilling screw, self tapping screw don’t have. Self drilling screw will drill a hole and form the mating threads in one operation. It is able to drill metal and wood.
POL SHIN
FASTENER ( ZHE JIANG ) CO., LTD.
