
20mm masonry drill bit suitable for use with our tarmac fixing bolt set.
- High quality and can be used in both concrete or tarmac.
- Tried and tested in thousands of speed bump kit installations.
- Uses SDS+ standard to use this bit and requires a suitable heavy duty drill.
Questions?
Most speed bump questions answered in our FAQ section. Can't find yours? Call our sales team on 01905 794875.