Simpson Strong-Tie® Drywall Screw, Collated, series: DWC, Imperial, #6 Thread, 1-1/4 in Overall Length, Bugle Head, Phosphate Coated, Sharp Point, Phillips® Drive, UNC Thread, #2 Drive, Gray. Simpson Strong-Tie® DWC114PS Collated Drywall Screw, #6, 1-1/4 in OAL, Bugle Head, Phosphate Coated, Sharp Point, Phillips® Drive