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Strong-Drive SDWS Timber Screw, 4 in L, Washer Head, 6-Lobe Drive, Steel - pack of 12

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Simpson Strong-Tie SDWS22400DB-R12 Strong-Drive SDWS Timber Screw, 4 in L, Washer Head, 6-Lobe Drive, Steel - pack of 12

Item #: SDWS22400DB-R12 by SIMPSON STRONG-TIE

UPC #: 707392010425

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  • SawTooth® point ensures fast starts, reduces installation torque and eliminates the need for pre-drilling in most applications
  • Bold thread design provides great holding power
  • Under-head nibs allow for head to drive flush to surface with reduced splintering
  • Large washer head provides a large bearing area
  • Size identification on all SDWS screw heads
  • Six-lobe T40 drive provides positive engagement that makes the screw easy to drive and improves bit life
  • Double-barrier coating provides corrosion resistance equivalent to hot-dip galvanization, making it suitable for certain exterior and preservative-treated-wood applications

Material

Steel

Length

4

Type

Exterior

Head Type

Washer

Thread Length

2-3/8"

Color

Tan

Drive Size

T40

Applicable Materials

Wood

Nomenclature

SDWS22400DB-R12 TMBR SCREW 4IN

Point Type

Saw Tooth

TIMBER SCREW WASHER T40 6L 4IN
Specifications:

Application: For structural wood-to-wood and engineered-wood connections including ledgers, mass timber connections including CLT wall-to-wall, floor-to-floor, surface splines and lap joints

Includes: (1) 6-Lobe T40 Driver Bit

The Strong-Drive SDWS timber screw is designed to provide an easy to install, high-strength alternative to through-bolting and traditional lag screws. This screw is ideal for the contractor and do-it-yourselfer alike. It is code listed in IAPMO UES ER-192 and meets 2018 and 2021 IRC and IBC code requirements for most common wood framing applications.