High-strength stainless steel or carton steel flange bolt for heavy-duty industrial, marine & construction applications.
| Model no. | LS-SC15 |
| Material | carbon steel, stainless steel, Aluminum, Titanium alloy ect… |
| Thread Size | M3~M20 |
| Length | Metric: M6~M100mm |
| Head style | Full thread |
| Drive type | Internal hex socket(Allen key drive)
Sizes: 1.5mm,2mm,2.5mm,3mm,4mm,5mm,6mm(metric) |
| Finish | Plain(mill finish), Passivated zinc-plated(for carbon steel) |
| Corrosion Resistance | 304SS: Good resistance to atmospheric corrosion, fresh water, mild chemicals
316SS:Superior resistance to saltwater, harsh chemicals |
| Tensile strength | 304SS:550N/mm2(min) 8.8Grade carbon steel:800 N/mm2(min) |
High-quality zinc-plated hex head self-drilling tek screws with matching nuts. Ideal for metal roofing, steel framing & construction—rust-resistant finish.
Self-drilling hex washer head screws and nuts kit:M4-M10 sizes, Zinc-plated for corrosion protection. perfect for industrial & DIY metal projects.
Key Keywords Embedded: Zinc-plated self-drilling screws with nuts. Sharp drill point, hex head design, fits metal/wood applications.
3. Benefits of 304 Stainless Steel Lag Screws
304 stainless steel hex head lag screws outperform carbon steel and zinc-plated fasteners in outdoor and structural applications, with these core advantages:
1. Superior Corrosion Resistance: 304 stainless steel contains 18% chromium and 8% nickel, forming a protective oxide layer that resists rust, saltwater, and UV damage—perfect for coastal, marine, or humid environments (unlike zinc-plated screws that corrode within 1–2 years outdoors).
2. High Tensile Strength: Rated at A2-70, these lag screws have a minimum tensile strength of 700 MPa and yield strength of 450 MPa, supporting heavy loads (up to 2,000 lbs per screw in dense wood) for deck joists, fence posts, and roof trusses.
3. Wrench-Driven Installation: The hexagonal head allows for torque application with a socket wrench or spanner, creating a tighter fit than Phillips/slotted head wood screws—reducing the risk of stripping or loosening over time.
4. Splinter-Free Wood Engagement: The sharp, tapered point and coarse threads pull the screw into wood smoothly, minimizing splintering (critical for hardwoods like oak and maple) and ensuring a flush, secure connection.
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