Fasteners > Metal Screws > Hand-Drive Screw

Simpson Strong-Tie F12C250FDB Self-Drilling Flat-Head Screw with Wings — #12 x 2-1/2 in. #3 Square Type 410 (1800-Qty)

F12C250FDB

• Features

  • Flat countersunk head with self-countersinking nibs
  • Machine screw thread, threaded full length
  • Shank slot enhances thread formation in steel and removes exhaust
  • Wings above drill point provide clearance hole in work piece so it won't climb up the shank; wings break off as point engages the steel substrate
  • Compatible driver bit: #2 square drive (model BIT3S-2-R2)
  • 2-1/2 in. length for 2x wood
  • Type 410 stainless steel is coated for additional corrosion protection
  • Quantity: 1,800