Drill diameter: 6 mm, length: 51 mm, packaging unit: 8 pieces, for material: concrete, set: no
- Holds in almost all building materials
- Rotation locks prevent twisting in the drill hole
- Screw size 4.5 x 70 mm
- Suitable for pre-assembly
- Automatically knots or expands depending on the building material
- Anchor cap protects the surface and prevents slipping deeper into the drill hole