In a nutshell
The right choise for
With the Bahco 3833-133-C Superior hm holesaw, you drill clean 133 mm circular openings through diverse building materials without switching tools. Precision-ground carbide teeth cut smoothly through timber, MDF, plasterboard, plastics, aerated concrete, and brick. The 71 mm cutting depth enables you to bore through thick walls, studs, and joists in a single pass, making it ideal for installing ventilation ducts, pipework, and cable runs. Deep gullets clear chips and debris rapidly to reduce friction and prevent jamming during intensive drilling. Equipped with an internal thread connection, it mounts securely onto compatible arbors for fast, reliable performance on every job.