- Brazed diamond - 60 grit
- Suitable for 25mm holes
- For use with an M14 angle grinder
- For enlarging or refining holes after drilling
DTA Boss 25mm diamond milling bit with M14 thread designed for enlarging or refining holes after drilling.
Ideal for plumbing fittings, electrical outlets. Suitable for porcelain, stone, ceramic, concrete, terracotta.