Simpson Strong-Tie Strong-Drive SDWH Timber-Hex 5/16-in x 8-in Double-barrier Exterior Wood screws (
Item #1944430 |
Model #SDWH19800DB-RP1
Bold thread design that provides superior holding power
SawTooth point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications
Under-head nibs that offer greater control when seating the head
Large washer head provides maximum bearing area (0.650-in head diameter)
Size identification on all SDWH screw heads
5/16-in hex drive
Length: 8-in
Double-barrier coating provides a level of corrosion resistance that is equivalent to hot-dip galvanization (ASTM A153, Class D) in most non-marine environments
SDWH screws install best with a low-speed 1/2-in drill and a 5/16-in hex driver bit BITHEXR516-134 (not included)
General | |||
|---|---|---|---|
Collection Name | Timber-Hex | Use Location | Exterior |
Finish | Double-barrier | Number of Pieces | 1 |
Manufacturer Color/Finish | Double-Barrier Coating | Head Type | Hex washer |
Series Name | Strong-Drive SDWH | Measure Type | Standard (SAE) |
Sub-Brand | N/A | Thread Type | Standard |
Type | Construction screws | Contact Type Allowed | None |
Material | Steel | Point Type | SawTooth Point |
Package Quantity | 1 | ||
Dimensions | |||
|---|---|---|---|
Head Diameter (Inches) | 0.64-in | Package Weight (lbs.) | 0.11 |
Length Measurement | 8-in | Screw Thickness | 5/16-in |
Features | |||
|---|---|---|---|
Collated | No | Materials Fastened | Wood to wood |
Drive | Hex | Multi-Material | No |
Certifications | |||
|---|---|---|---|
ACQ Approved | Yes | CA Residents: Prop 65 Warning(s) | |
Warranty | |||
|---|---|---|---|
Warranty | None | ||
Compatibility | |||
|---|---|---|---|
For Use on Plastic | No | For Use on Concrete | No |
For Use on Composite | No | For Use on Drywall | No |
For Use on Metal | No | For Use on Brick | No |
For Use on Wood | Yes | For Use on Vinyl | No |
Miscellaneous | |||
|---|---|---|---|
UNSPSC | 31161500 | ||
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Ratings may include incentivized customer reviews.
What Customers Are Saying
The product is praised for its strong and durable construction, ease of use, and ability to securely fasten various types of wood without pre-drilling. The hex head design provides a strong grip and prevents slippage during installation. While some find the product to be pricey, the general consensus is that it is worth the investment due to its superior strength and reliability, particularly for outdoor projects, decking, fencing, and other heavy-duty applications.
Customer review summary generated by AI, including incentivized reviews.Worked as expected
Worked on my raised bed creation
Verified Purchaser
Better than nails
Great quality and value
From Strong-Drive SDWH Timber-Hex 5_SLASH_16-in x 4-in Double-barrier Exterior Wood screws ( Verified Purchaser
Good quality
Good quality
From Strong-Drive SDWH Timber-Hex 5_SLASH_16-in x 6-in Double-barrier Exterior Construction screws ( Verified Purchaser
Bb
Bb
From Strong-Drive SDWH Timber-Hex 5_SLASH_16-in x 6-in Double-barrier Exterior Construction screws ( Verified Purchaser
Worth the money
5.16 hex head much better than a flat screw, the quality surprised me. And with a craftsman impact the 6” were though in seconds
From Strong-Drive SDWH Timber-Hex 5_SLASH_16-in x 6-in Double-barrier Exterior Construction screws ( 50 -Per Box ) Verified Purchaser
1 Questions
1 Questions
1
Answer