Roofing screw heavy section steel without washer
This is a
self-drilling and self-tapping screw that facilitates the mounting of plates in
steel beams. For beam thicknesses up to 15mm. We stock beam screws in
corrosive class C3 Zytec and C4 Stainless. The screws have no sealing washer
and are tightened with an 8 mm sleeve.
