- These machine bits have two wings, two scribers & a centre point.
- Tungsten Carbide Tipped for extensive drilling of particle boards and plastics of soft to medium density.
- The scribes give a very clean entrance hole.
! - Not for use on hard dense materials, such as laminate covered board, phenolic Tufnol®, Wareite® & GRP. For such materials, choose from Group 421 tools which have no scribers. For use in drilling machines only.