Simpson Strong-Tie SDWH19400SS-R20 Simpson Strong-Tie 4" Timber-Hex 316SS Screw 20ct
Stainless-steel structural fasteners designed for lag-screw replacement. These 0.188"- and 0.276"-diameter hex-head fasteners require no predrilling, making them easier and faster to install than typical lag screws. They meet 2015 and 2018 IRC® and IBC® code requirements for several common wood framing applications.
Key Features
- Type 316 stainless steel for maximum corrosion protection
- No predrilling necessary in most applications
- Driver bit included in multi-count packages (replacement driver bit — BITHEXR516-134 or BITHEXR12-134)
- Can be used in ledger applications
- Unique “box” thread design with raised-ridge technology significantly reduces driving torque
- Hex-washer head provides large bearing area
Applications- Structural wood-to-wood and engineed-wood connections, including ledger
Product Includes- Retail clamshells, cartons and buckets include hex driver bit
Specifications:
| Coating/Material | Type 316 Stainless Steel |
| Length (in.) | 4 |
| Head Diameter (in.) | 0.455 |
| Shank Diameter (in.) | 0.188 |
| Drive Type | 5/16" Hex |
| Head Type | Hex Washer Head |
| Thread Type | Box Threads |
| Thread Length | 2.40 |
| Point Type | Sharp Point |
| Packaging Qty. | 20 |
