Countersunk Self Drilling Screw : Fiber Cement Board JF #8 SD SUG

Product Information

New model of flat board screws (Smartboard / Flexiboard / Dulaboard / Diamondboard) and plywood. Can be drilled without pre-drilling. Can be drilled into box steel bars with a thickness of not more than 3.20 mm. The screw head is specially designed to be embedded (sunk) into the workpiece smoothly and beautifully, making it easier to finish.