Spax Stainless Steal Washer Head
Price range: $0.79 through $4.29
Application
•For use outside (e.g. carports, playground equipment, pergolas, porches, bridges, bridge plank flooring, balconies)
•Fastening of sheet metal (e.g. solar roof hooks)
Advantages
•Better tightening of connections also of warped boards
•Washer head guarantees higher beam supporting forces and allows savings with regard to piece numbers and working time
See more at:
http://www.spaxpacific.com/products/8mmwhss.html#sthash.JfoLdNcR.dpuf
Lots of sizes available
Pricing is per screw
