Hardware Resources #8 x 2-1/2" Black Square Drive Type 17 Coarse Thread Standard Round Washer Head Screw Sold by the KegRound washer head combines advantages of the pan head design with an integrated washer head which prevents over driving into soft woods and allows for maximum torque Great for cabinet assembly, cabinet installation, and various hardware installations Specifications: Thread Type Coarse ADA Friendly No Head Type Standard Washer Packaging Type Small Package Drive Type #2 Square Head Size #8 Sold By Keg of 2500 Brand Hardware Resources Finish Black