HSS-CO
For premium materials up 1 mm material thickness.
![](/fileadmin/pim/data/media/img/5c9e038dbb14a15538594690937_HSS_CO_Lochsaege_web_product_frei.png)
Hole saw for recessed sockets, cables and pipe lead-throughs
Precise holes thanks to 8% cobalt-alloyed high-quality speed steel toothing in bi-metal quality
Very smooth running thanks to Variotoothing system
Vibration-reduced drilling and fast sawing progress
Long service life thanks to specially integrated tool steel structure with solid mounting plate
Heller tip: Use of cutting oil prolongs the service life
Accessories 934, 935, 936 - drive adapter with pilot drill, ejector spring
![](/typo3temp/assets/_processed_/8/c/csm_iron_5d25bd3575.jpg)
iron
![](/typo3temp/assets/_processed_/b/0/csm_non_ferrous_metal_63dae19b5b.jpg)
non ferrous metal
![](/typo3temp/assets/_processed_/4/6/csm_pvc_d08ff15174.jpg)
pvc
![](/typo3temp/assets/_processed_/f/b/csm_sheet_metal_8b24d6ab6b.jpg)
sheet metal
![](/typo3temp/assets/_processed_/e/8/csm_stainless_steel_29b498c9cf.jpg)
stainless steel
![](/typo3temp/assets/_processed_/6/4/csm_cyl_5a87b5a606.png)
CYL
![](/fileadmin/icons/icon_artikelnr.png)
![](/fileadmin/icons/icon_durchmesser.png)
![](/fileadmin/icons/icon_gesamtlaenge.png)
![](/fileadmin/icons/icon_arbeitslaenge_v2.png)
![](/fileadmin/icons/icon_anzahl.png)