Bosch auto-start centring aid diamond holesaws, spring-mounted centring pin with tungsten carbide tip starting to drill in hard materials. * Drill type: Hole saw centring aid https://elecena.pl/product/27270891/bosch-2608580529-hole-saw-centering-aid-tct-hex-shank 2024-11-14 https://elecena.pl/product/27270891/bosch-2608580529-hole-saw-centering-aid-tct-hex-shank 2026-05-10