Hole saw *Bi-Metal

A plain high-quality, bi-metal hole saw is a cutting tool used with drills to create holes in materials like wood, metal, or plastic. It is made from two types of metal (bi-metal): a durable steel body for strength and longevity, and HSS (High-Speed Steel) teeth for sharpness and efficient cutting.

The teeth have various pitches (spacing between the teeth), which helps reduce vibration and allows for smoother, more precise cuts through different materials.