M5-0.8X16 ISO 7045 Metric Phillips Pan External Washer Sems M/S Fully Threaded Zinc/Bake (Pack Qty 2,000) BC-MI516EPP

Steel: The washer/screw assembly makes this a locking screw with the washer providing the locking action. Machine pre-assembly provides cost savings to the end user. The external tooth variety offers greater torsional resistance than an internal tooth Sems Stainless: Offers same advantages of the steel variety but with superior resistance to corrossion Steel: . C1050 Carbon Steel. C1008 or equivalent carbonYou may also like 12-14X2 Six Lobe Pancake Head Self Drilling Screw Full Thread 18 8 Stainless Steel (Pack Qty 300) BC-1232KTC188.