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Representative image of the #8 Heat-Treated Deck Screws line. Packaging, size and piece count vary by the option you select below.
#8 Heat-Treated Deck Screws
Kit Contents
Container
0.7
Select Size
Choose your preferred size and quantity below.
18-8 Grade
1 1750
HTS-8x1.75-SS-1750
$332.00
per unit
1 1050
HTS-8x1.75-SS-1050
$209.40
per unit
1 350
HTS-8x1.75-SS-350
$73.28
per unit
1 100
HTS-8x1.75-SS-100
$23.04
per unit
2 350
HTS-8x2-SS-350
$78.07
per unit
2 100
HTS-8x2-SS-100
$24.53
per unit
2 1050
HTS-8x2-SS-1050
$223.07
per unit
2 1750
HTS-8x2-SS-1750
$354.06
per unit
About this product
DeckWise #8 Heat-Treated Deck Screws are specialized fasteners engineered to withstand the extreme torque requirements of high-density tropical hardwoods. By heat-treating 305-grade stainless steel, these screws offer the corrosion resistance of 18-8 steel with significantly increased tensile strength to prevent snapping during installation. They are designed for professional contractors and DIYers who require a reliable face-fastening solution for the world's hardest decking species.
Manufacturer Specifications
- Material
- 305 Grade (18-8) Stainless Steel
- Treatment
- Hardened Heat-Treated Steel
- Drive Type
- T15 Star Drive
- Head Style
- Small Trim Head
- Thread Type
- Coarse Thread
- Point Type
- Type 17 Auger Point
- Gauge
- #8
- Available Lengths
- 1.75 inch, 2.0 inch
Best used for
- 1Face-fastening 3/4 inch Ipe or Cumaru decking boards to timber joists for a traditional, secure installation.
- 2Installing Tigerwood or Garapa hardwood cladding and siding where a discreet fastener head is required for a clean architectural look.
- 3Securing Massaranduba or Red Balau railing components and trim pieces that require high-strength connections in dense grain.
- 4Fastening tropical hardwood boards in high-traffic commercial boardwalks or public rooftop deck applications.
Pro tips for dense hardwoods
- Pre-drilling a pilot hole is mandatory for all tropical hardwoods; use a 1/8 inch drill bit or a dedicated countersink tool to ensure the screw seats perfectly without splitting the timber.
- Avoid using impact drivers for final seating; a drill with an adjustable clutch or a depth-sensing nosepiece provides better control and prevents over-torquing.
- When installing near swimming pools or saltwater environments, verify if 316-grade stainless is required by local code, though 305-grade heat-treated screws are the standard for most residential hardwood projects.
- If the screw head is sitting proud of the wood surface, do not force it; back the screw out, clear the pilot hole of debris, and re-drive.
Specifications
- Brand
- DeckWise
- Category
- Screws & Fasteners
- Options available
- 8 sizes / package counts
- Kit contents
- Container
Per-option details
| Option | SKU | Piece count | Dimensions | Weight |
|---|---|---|---|---|
| 18-8 Grade | HTS-8x1.75-SS-1750 | 1 1750 | — | — |
| 18-8 Grade | HTS-8x1.75-SS-1050 | 1 1050 | — | — |
| 18-8 Grade | HTS-8x1.75-SS-350 | 1 350 | — | — |
| 18-8 Grade | HTS-8x1.75-SS-100 | 1 100 | — | — |
| 18-8 Grade | HTS-8x2-SS-350 | 2 350 | — | — |
| 18-8 Grade | HTS-8x2-SS-100 | 2 100 | — | — |
| 18-8 Grade | HTS-8x2-SS-1050 | 2 1050 | — | — |
| 18-8 Grade | HTS-8x2-SS-1750 | 2 1750 | — | — |
Piece counts and dimensions are as supplied by the manufacturer for each package option.
Why Choose Screws & Fasteners?
How to Face-Screw Hardwood Decking
Pre-Drill Every Hole
Dense hardwoods (1,500+ Janka) will split without a pilot hole. Use a countersink bit sized for your screw shank — this is non-negotiable for Ipe, Cumaru, and similar species.
Choose Stainless Steel
Carbon steel screws corrode and stain hardwood within months. Always use Type 316 stainless steel — it offers the best corrosion resistance for exotic hardwoods and coastal environments. The slight premium pays for itself in zero staining and no fastener failures.
Drive to Depth — Not Beyond
Set screws flush with the surface or just barely countersunk. Over-driving creates water-collecting craters that accelerate checking around each hole.
Two Screws Per Joist Crossing
Place one screw roughly 1″ from each board edge at every joist. This prevents cupping and ensures the board stays flat over time.
Pro Tip from Our Deck Specialists
Apply a drop of wax or soap to each screw tip before driving — it dramatically reduces friction and prevents snapped screw heads in ultra-dense wood like Ipe.
Screws & Fasteners — Common Questions
Frequently Bought Together
Accessories that pair well with screws & fasteners for a complete installation.
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