| Feature | Details |
|---|---|
| Material | Carbon Steel (Hardened), Stainless Steel (A2/A4) |
| Head Types |
|
| Diameter | 4.8 mm, 5 mm, 6.3 mm, 7.5 mm (or #10, #12, 1/4", 5/16") |
| Length | 25 mm to 200 mm (e.g., 32 mm, 50 mm, 75 mm, 100 mm) |
| Drive Types | Hex, Phillips, Torx (Star) |
| Surface Treatments | Zinc Plating, Blue Ruspert Coating, Stainless Steel, Dacromet |
| Pilot Hole Size | 4–6.5 mm (depending on screw diameter and material density) |
| Standards | ANSI B18.6.4, DIN 7976, ISO 1478, ETAG 001 (European Technical Approval for anchors) |
Blue Ruspert Concrete Screws are high-strength fasteners designed for direct installation into concrete, masonry, or stone without the need for anchors. The hardened, threaded shank ensures excellent holding power, while the Blue Ruspert coating provides superior corrosion resistance for long-term durability, making them ideal for both indoor and outdoor applications.