Simpson Strong-Tie SDS25312-R25L Connector Screws, 3-1/2" Knives Shank diameter : 1"

Shank diameter : 1"

No mechanical holding device needed

Closing speed is adjustable

4" Centerset

resisting the problems of blistering

Simpson Strong-Tie SDS25312-R25L Connector Screws, 3-1/2" Knives Shank diameter : 1"Highlights: Color: Gray Finish: Double Barrier Coating Material: Stainless Steel Callout Size: No. 3 Length: 3 1 2" Head Type: Hex Head Indoor or Outdoor: Outdoor Self Drilling: Yes Thread Type: Serrated Patented 4CUT tip (coated version) and Type 17 point (stainless vesion) enable easy driving with no predrilling and minimal wood splitting Available with a double barrier coating and Type 316 stainless steel 3 8" hex head with 0. 48 inch integrated