RUKO 38mm diameter high precision HSS-G core drill bit.
RUKO carbide core drill bit Ø 38 mm for precise drilling.
MPS M42 HSS-Co8 BiMetal 108 mm hole saw for precise metal cutting
RUKO HSS-Co 5 guide drill bit for carbide core drills (Ø 6 mm)
GUILLET SDS-MAX adapter for 700 mm tapered hole saws and 1/8 connection.