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Square Drive

  • Square Decking Screw
      
      
     

    Square Bugle Decking Screws Yellow Zinc

    Yellow Zinc 
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    Exterior wood screws used for attaching wood to wood. Also used in fencing, decks and patios. 90/hr. salt spray resistance. Used in low corrosion applications.
  • Square Decking Screw
      
      
     

    Square Bugle Decking Screws Dacrotized

    Dacrotized Coating 
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    Exterior wood screws used for attaching wood to wood. Used in fencing, decks and patios. Exceeds 500/hr. salt spray resistance. Medium degree of corrosion resistance.
  • Square Bugle Swaneze™ Decking Screws
      
      
     

    Square Bugle Decking Screws W.A.R. Coated Type 17

    W.A.R. Coated, Type 17 Tip 
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    Exterior wood screws used for attaching wood to wood. Exceeds 1,000/hr. salt spray resistance. Designed to work with ACQ treated lumber. High degree of corrosion resistance.
  • Square Decking Screw
      
      
     

    Square Decking Screws Type 17 305 Stainless Steel

    305 Stainless Steel, Type 17 Tip 
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    Square decking screws in 305 stainless steel are designed for attaching wood to wood. 305 stainless steel provides superior corrosion resistance and is certified for use in ACQ treated lumber.
  • Square Bugle Swaneze™ Decking Screws
      
      
      
     

    Simpson Bugle-Head Wood Decking Screws - Square Drive 305 Stainless Steel

    305 Stainless Steel, Type 17 Tip 
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    The type 17 tip provides fast starting and resists splitting in hardwood. Coarse threads run approximately 2/3 up the shank to draw the decking tightly to the substrate. Pre-drilling is recommended near board ends to prevent splitting.
  • Square Bugle Swaneze™ Decking Screws
      
      
      
     

    Simpson Bugle-Head Wood Decking Screws - Square Drive 316 Stainless Steel

    316 Stainless Steel, Type 17 Tip 
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    The type 17 tip provides fast starting and resists splitting in hardwood. Coarse threads run approximately 2/3 up the shank to draw the decking tightly to the substrate. Pre-drilling is recommended near board ends to prevent splitting. 316 stainless steel is ideal where superior corrosion resistance is required.
  • Square Trim Decking Screw
      
      
     

    Square Trim Head Decking Screws Type 17 305 Stainless Steel

    305 Stainless Steel, Type 17 Tip 
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    Stainless trim head decking screws with a square drive recess. 305 series stainless steel provides maximum strength and best possible corrosion resistance. The Type 17 tip provides superior penetration and resistance to splitting through the hardest woods.
  • Square Trim Swaneze™ Decking Screws
      
      
      
     

    Simpson Trim-Head Wood Decking Screws - Square Drive 305 Stainless Steel

    305 Stainless Steel, Type 17 Tip 
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    The type 17 tip provides fast starting and resists splitting in hardwood. Coarse threads run approximately 2/3 up the shank to draw the decking tightly to the substrate. Pre-drilling is recommended near board ends to prevent splitting. #1 Square Drive - All #7 diameters and 9 x 3 1/2. #2 Square Drive - 9 x 4
  • Square Trim Swaneze™ Decking Screws
      
      
      
     

    Simpson Trim-Head Wood Decking Screws - Square Drive 316 Stainless Steel

    316 Stainless Steel, Type 17 Tip 
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    #1 square recess drive and trim head with a Type 17 tip for faster starts and to resist splitting in hardwoods. Coarse threads run approximately 2/3 up the shank to draw the decking tightly to the substrate. Pre-drilling is recommended near board-ends to reduce splitting. Use only with stable woods and wood substitutes for less noticeable fastening. Slender #7 shank is designed for finish work and trim. 316 stainless steel is recommended where superior corrosion resistance is needed.
  • Swaneze Trim Head with Sealing Washers
      
      
     

    Simpson Trim-Head Wood Decking Screws - Square Drive 305 Stainless Steel with EPDM Sealing Washers

    #7 Diameter, 305 Stainless Steel, Type 17 Tip, 302 Stainless Steel Sealing Washer 
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    Type-17 point for fast starts. Assemblies provide weathertight seal for use in exterior sheathing and roofing applications. Washers are 302 stainless steel bonded to neoprene and 5/8 " in diameter.
  • Square Truss Head Wood Screw T17
      
      
     

    Simpson Truss-Head Wood Screws - Square Drive 305 Stainless Steel

    305 Stainless Steel, Type 17 Tip 
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    #2 square drive truss head, coarse thread similar to Swaneze™ screws. Fasten all materials to wood or wood-substitute materials. Pre-drilling recommended – dependent on substrate
  • composi-lok composite 305ss square drive-thumbnail.png
      
      
     

    Simpson Composi-Lok™ Composite Decking Screws - Square Drive 305 Stainless Steel

    #9 Diameter, Cap-Style Head, 305 Stainless Steel 
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    Cutting wings on the shaft counter-bore the deck board, helping to prevent fastener spin out. Cap-style head reduces mushrooming material, ensuring a cleaner-looking installation. Available with a Quik Guard ®; ; double-barrier coating and in stainless steel. #2 Undersized square drive. Sharp point. Pre-drilling recommended near board ends to prevent splitting. Driver bit included in each package.