Description
Overview
The BIG TIMBER 15 x 4″ 316 Stainless T-30 Lag Screw 25/Bkt (SCTX154-25) is designed for heavy-duty fastening applications requiring corrosion-resistant hardware in demanding environments.
| Specification | Detail |
|---|---|
| MPN | SCTX154-25 |
| Brand | BIG TIMBER |
| Size | 15 x 4″ |
| Material | 316 Stainless Steel |
| Drive Type | T-30 (Torx) |
| Treatment | Heat Treated & Hardened |
| Package Quantity | 25 per Bucket |
| Weight | 1 lb |
| Category | Hardware Fasteners > Screws |
Technical Features
- 316 Stainless Steel Construction: Grade 316 stainless offers superior resistance to chlorides and harsh environments, making these lag screws suitable for marine, coastal, and outdoor installations where standard fasteners would corrode prematurely.
- Heat Treated & Hardened: The heat treatment and hardening process increases tensile and shear strength beyond that of ordinary lag screws, reducing the risk of fastener failure under load.
- Deep Cutting Thread Profile: Engineered deep-cutting threads provide aggressive bite into wood substrates, enabling faster seating and requiring less driving force compared to standard thread designs.
- T-30 Torx Drive: The six-point star drive interface reduces cam-out during installation, allowing higher torque application and cleaner, more controlled driving compared to slotted or Phillips head designs.
- 25-Count Bucket Packaging: Sold in a 25-piece bucket, providing a job-ready quantity for structural and general fastening tasks while keeping hardware organized on the work site.
Applications
- Structural wood framing and heavy timber connections where high-strength fastening is required
- Decking and dock construction in marine or coastal environments where 316 stainless corrosion resistance is necessary
- Exterior and outdoor installations exposed to moisture, salt air, or chemical exposure
- General heavy-duty lag fastening where hardened, heat-treated screws are specified for enhanced durability
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