Duplex 2205 and Super Duplex 2507 self-drilling screws contain both the drilling and fastening mechanisms all in one – saving time and effort. These unique screws have a cutting tip, which eliminates the need to drill a pilot hole before installing the bolt. Duplex self-drilling screws are ideal for high strength applications – offering twice the yield strength of annealed austenitic stainless steels like 316 grades. This allows for more wear resistant cutting tips and a much more durable head.
In addition, Duplex 2205 and Super Duplex 2507 provides improved saltwater corrosion protection to 300 series stainless. In particular, Duplex bolts offer excellent resistance to localized corrosion such crevice and pitting, as well as stress corrosion cracking. This corrosion resistance makes Duplex self-drilling screws ideal for harsh marine and saltwater environments where a fast and reliable fastening solution is needed.
In Stock & Custom Availability
Neoprene / EPDM Washers