Tungsten carbide milling drills (spear drills)
For drilling, milling and cutting fibre glass or PERTINAX circuit boards. Also for drilling pearls and similar. Shaft Ø 2.35mm. Rotational speed see table. Use with Micromot 50/E, 230/E or in engraving device GE20
Ref 28320 Shaft 2.35 Length 30mm