5.5 x 38mm Hex Head Self-Drilling Screws (Box 100)

Timco 5.5 x 38mm hex head self-drilling screws, designed for joining roofing sheets to light section steel up to 5.0mm thick without the need for pre-drilling. Featuring a corrosion-resistant silver organic finish that withstands 500 hours of salt spray, these screws come with a durable EPDM washer for added sealing. Ideal for exterior applications in urban and industrial environments.