• Roughness working principle; installation by controlled torque • Use for high loads • Assessed for two installation depths • Easy installation • Use in non-cracked concrete • Previous installation, or through the fixture • Use for static or quasi-static loads • Three versions zinc plated, stainless steel A2 and A4 • Variety of lengths and sizes, assembly flexibility • DIN 440 for fixing wood structures to concrete • Structural application in non cracked concrete