FRX[[RU]]-S Flat Countersunk Rib Head With Wings Self Drilling Screw SBW4845-PC1 MIYAGAWA

The ribs on the bearing surface allows the head to sink easier even on components that are not countersunk and the reamer(fins)make lifting-prevention of the mounting component and discharge of chips easier. The reamers(fins)scatter when coming into contact with the substrate steel sheet.For installing fire-resistant roofing board/wood/siding/steel plate.Nominal Dimension(mm)d x L:M5 x 45Max Applicable Board Thickness (mm):4.0Head Diameter (mm):9.5Head Height(mm):3.3Stainless Steel(SUS410 equivalent material)Surface Treatment: Passivation