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Simpson Strong-Tie SWD22812DBB-R30 Strong-Drive (0.235" x 8-1/2") Double-Threaded Screw T40 Black (30 Pack)

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Simpson Strong-Tie SWD22812DBB-R30 Strong-Drive (0.235" x 8-1/2") Double-Threaded Screw T40 Black (30 Pack)

Simpson Strong-Tie SWD22812DBB-R30 Description

The Strong-Drive SWD Double-Threaded Screw is a high-performance structural fastener engineered for exterior wood-to-wood applications, featuring a corrosion-resistant double-barrier coating and a low-profile head for a clean finish.

Simpson Strong-Tie SWD22812DBB-R30 Includes

  • (30) 0.235 in. x 8-1/2 in. Double-Threaded Wood Screw

Simpson Strong-Tie SWD22812DBB-R30 Features

  • Double-threaded design for superior withdrawal resistance
  • Unthreaded mid-shank for tight wood connections
  • Black double-barrier coating for corrosion resistance
  • Flush head design for a clean finish
  • Precision engineered for consistent performance

Simpson Strong-Tie SWD22812DBB-R30 Applications

  • Deck ledger attachments to rim joists
  • General exterior wood framing
  • Pergolas, porches, and outdoor structural assemblies
  • Wood-to-wood connections requiring high withdrawal strength

Simpson Strong-Tie SWD22812DBB-R30 Installation Overview

  1. No pre-drilling required in most applications
  2. Use with a standard driver or impact driver
  3. Drive the screw until the head is flush with the wood surface
  4. Compatible with treated lumber following coating guidelines

Simpson Strong-Tie SWD22812DBB-R30 Specifications

Diameter 0.235 in.
Length 8-1/2 in.
Material Carbon Steel
Finish Double-Barrier Coating
Color Black
Drive Type T40 6-Lobe
Head Diameter 0.394 in.
Head Type Cylinder Head
Point Type Screw Chisel Point
Thread Length 3-3/4 in.
Thread Type Double Thread
Shank Style Unthreaded Mid-Shank
Quantity 30
$64.47
Simpson Strong-Tie SWD22812DBB-R30 Strong-Drive (0.235" x 8-1/2") Double-Threaded Screw T40 Black (30 Pack)—
$64.47

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Description

Simpson Strong-Tie SWD22812DBB-R30 Description

The Strong-Drive SWD Double-Threaded Screw is a high-performance structural fastener engineered for exterior wood-to-wood applications, featuring a corrosion-resistant double-barrier coating and a low-profile head for a clean finish.

Simpson Strong-Tie SWD22812DBB-R30 Includes

  • (30) 0.235 in. x 8-1/2 in. Double-Threaded Wood Screw

Simpson Strong-Tie SWD22812DBB-R30 Features

  • Double-threaded design for superior withdrawal resistance
  • Unthreaded mid-shank for tight wood connections
  • Black double-barrier coating for corrosion resistance
  • Flush head design for a clean finish
  • Precision engineered for consistent performance

Simpson Strong-Tie SWD22812DBB-R30 Applications

  • Deck ledger attachments to rim joists
  • General exterior wood framing
  • Pergolas, porches, and outdoor structural assemblies
  • Wood-to-wood connections requiring high withdrawal strength

Simpson Strong-Tie SWD22812DBB-R30 Installation Overview

  1. No pre-drilling required in most applications
  2. Use with a standard driver or impact driver
  3. Drive the screw until the head is flush with the wood surface
  4. Compatible with treated lumber following coating guidelines

Simpson Strong-Tie SWD22812DBB-R30 Specifications

Diameter 0.235 in.
Length 8-1/2 in.
Material Carbon Steel
Finish Double-Barrier Coating
Color Black
Drive Type T40 6-Lobe
Head Diameter 0.394 in.
Head Type Cylinder Head
Point Type Screw Chisel Point
Thread Length 3-3/4 in.
Thread Type Double Thread
Shank Style Unthreaded Mid-Shank
Quantity 30