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SDS Strong Drive Heavy Duty Connector Screw

Model: SDS

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The Strong‑Drive® SDS Heavy Duty Connector Screw is a 6.4mm diameter structural wood screw ideal for various connector installations as well as timber-to-timber applications. It installs with no predrilling and has been extensively tested in various applications.

The SDS Strong‑Drive® screws are also available in 316 Stainless Steel. The new stainless-steel SDS screws are appropriate for higher-exposure environments where maximum corrosion-resistance is required.

The SDS screws are suitable for use with the following connectors:

  • DTT2Z* and DTT2SS* — (Deck) Tension Ties & Holdown
  • HDU8-SDS2.5* — Holdown
  • CJT* — Concealed Joist Tie
  • TA — Staircase Angles

*Screws are included with these connectors.

Material & Finish
  • Carbon Steel with Double-Barrier Coating
  • 316 Stainless Steel
Features & Benefits
  • Designed for installation in certain Simpson Strong‑Tie® structural connectors as well as timber-to-timber applications
  • 3/8" Hex Head reduces cam-out for easier installation
  • Serrated Threads and Sharp Point make driving easier
  • Optimised heat treating for ductility and strength
  • Type-17 Point enable easy driving with no predrilling and minimal splitting
  • Double-Barrier Coating provides corrosion resistance equivalent to hot-dip galvanisation
  • Stainless Steel SDS provides maximum corrosion protection
Applications
  • Heavy Duty Simpson Strong‑Tie® Connectors
 
 
Model No. Table

Model No.

Size

Thread

Point

Material & Finish

Box Qty

Drive Size

These coated fasteners possess a level of corrosion resistance that makes them suitable for use in some exterior and corrosive environments and with some preservative-treated timber.
For applications in higher-exposure applications, consider Type-300 series stainless-steel fasteners for superior corrosion resistance. Bit(s) included with every box of screws.
Pre-drilling and countersink may be necessary at ends, butt joints, and on applications where denser material is used. Follow board manufacturers recommendations where applicable.

SDS25112-R25

6.4mm x 38mm

Serrated Threads

Type-17

Carbon Steel
Double-Barrier Coating

25

3/8” Hex Head

SDS25212-R25

6.4mm x 64mm

SDS25300-R25

6.4mm x 76mm

SDS25112SS-R25

6.4mm x 38mm

316 Stainless Steel

SDS25212SS-R25

6.4mm x 64mm

SDS25300SS-R25

6.4mm x 76mm
 

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