6pc 8mm closed hook bolts
- For secure and reliable fixing of items and fixtures to masonry, concrete, brick, block etc.
- Requires a 14mm hole for the expansive bolt
- M8 thread requires 13mm spanner to tighten expansion nut
- Internal eye diameter: 20mm
- Requires a 14mm hole for the expansive bolt.
NOTE: These expansion bolts are not suitable for works requiring Building Control or Local Authority sign-off such as safety rails, balustrades, load-bearing joists/ wall plates etc.