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

Original price was: $950.99.Current price is: $142.65.

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…

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Description

  • 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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