20mm masonry drill bit for use with our Asphalt Fixing Bolts,
- Suitable for securing our speed bumps to Asphalt or Tarmac surfaces.
- You will need an SDS+ drill to use this bit.
Drill bits and fixings are supplied as part of our Speed bump kits.
For more information on how to install our speed bumps,
please see our Speed Bump Installation Guide.
