Wafer-Head Screw
The wafer-head screw is great for general wood-to-wood fastening where a low-profile head is needed.
Key Features
- Wafer head
- Deep #2 Phillips drive reduces cam-out and makes driving easier
- Sharp point for fast starts
- Clear zinc electro-galvanized finish; for information on corrosion, materials and coatings, see Corrosion Information
Applications
- General wood-to-wood fastening
Related Links
Catalog Pages
- Product Information: C-F-2017 (Fastening Systems), page 96
- Technical Data and Loads: C-F-2017 (Fastening Systems), page 339
Related Literature
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Sistemas de sujeciónC-F-2017SPUn catálogo a color que contiene soluciones para sujetadores Simpson Strong-Tie, incluyendo nuestras líneas de productos Strong-Drive®, Deck-Drive®, Quik Drive® y acero inoxidable.Catalog -
2018 Fastener Product GuideS-F-FASTNRPG18A pocket-sized product guide for Simpson Strong-Tie Fastening Systems.Product Guide -
Alternate Uplift Options for IUS and ITS HangersT-C-OPTUPLIFT16A one-page, single-sided technical bulletin explaining optional additional fastening methods using SD8 Connector screws and triangle-hole nailing to get higher uplift loads from IUS and ITS hangers.Technical Bulletin -
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Product Information Table
| Model No. | Coating/Material | Screw Size | Length (in.) | Head Diameter (in.) | Shank Diameter (in.) | Drive Type | Head Type | Thread Type | Point Type | Packaging Qty. | UPC |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SD8X1.25-R | Clear Zinc Coating | #8 | 1 1/4 | 0.418 | 5/32 | #2 Phillips | Wafer Head | Serrated Threads | Sharp Point | 100 | 707392361367 |
Product Information Table
| Model No. | Length (in.) | Screw Size | Drive Type | Head Diameter (in.) | Head Type | Thread Type | Shank Diameter (in.) | Point Type | Coating/Material | Packaging Quantity | UPC |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SD8X1.25 | 1 1/4 | #8 | #2 Phillips | 0.418 | Wafer Head | Serrated Threads | 5/32 | Sharp Point | Clear-Zinc Coating | 100 | 044315088216 |
Load Tables
Allowable Loads
- Allowable loads are shown at the wood load duration factor of CD = 1.00. Loads may be increased for load duration up to a CD = 1.60.
- SD8x1.25 requires 3/4" minimum penetration into the main member.
- Do not use SD8x1.25 wood screws with structural connectors unless specified.
- Warning: Industry studies show that hardened fasteners can experience performance problems in wet or corrosive environments. Accordingly, use this product in dry, interior, and noncorrosive environments only.