SFS intec IMPAX Screw Self Drill With Seal 1.5" 250/Bag

€¢ Integral cupped Hex Washer Head configuration fastener with an EPDM sealing washer instead of the traditional bonded sealing washer.
€¢ Precision cold forged assuring superior point strength and the fastest drilling time performance through high strength steel and nested purlins. 5/16" AF Cupped hex washer head 
€¢ #3 self-drill point 
€¢ EPDM washer 
€¢ Drilling capacity: .035-.210" 
€¢ Designed and engineered to have low driving and thread engagement torque and provide maximum clamp load.
€¢ Corrosion resistant coating system.