The Starrett Fast Cut Bi-Metal Holesaws combine a new tooth material and a 5.5 TPI/25mm tooth form, with increased resistance to heat and wear. Providing a smoother, faster cut on a wide range of materials, when compared to the previous constant pitch saw.
Specifically suited to cutting stainless and mild steel sheet, they will also cut through tubes with a wall thickness of up to 3mm (1/8in).
Cutting Depth: 41mm.
Starrett FCH0438 Fast Cut Bi Metal Holesaw has the following specification:
Diameter: 111mm (4.3/8in).