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

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

Sale price  $228.24 Regular price $950.99
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Simpson Strong-Tie F12C250FDB Self-Drilling Flat-Head Screw with Wings, #12 x 2-1/2-in. #3 Square Type 410, 1800-Pack

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

Sale price  $228.24 Regular price $950.99
  • 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

Use this screw for securing wood, plywood and fiber cement to steel (up to 0.209" thick). Wings bore through wood to create a clearance hole so piece does not climb up shank and then break off as they engage with steel.

  • 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

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