Annular Cutters

Core drills with diameters of 8 - 200mm and lengths of up to 150mm.
In various shafts such as Weldon, Nitto and Fein Quick-In.
The right quality for every material and every application:
- Silver Drill Line: Step-hardened, special tooth geometry, HSS-XE steel, for steel up to 35 HRC.
- Gold Drill Line: additional full grinding and surface treatment (Gold-Tech), for steel up to 40 HRC.
- Blue Drill Line: additionally with Durablue coating, for steel up to 40 HRC, stainless steel.
- Blue Drill Line Pro / Blue Drill Line Rail Pro: ASP powder steel. Step hardened. Tooth hardness up to 68 HRC (very hard). Very long service life, for steel up to 45 HRC.
- Hard-Line: Only Sandvik carbide teeth, special spiral and tooth geometry for chatter-free drilling and maximum service life, drills steel up to 40 HRC.
- Hardox line: Designed for extremely hard materials such as rails and Hardox up to 50 HRC.