The Starrett Fast Cut 27mm bi-metal holesaw (FCH0116) features enhanced tooth material and design for faster, smoother cuts across a wide range of materials including stainless steel, mild steel, and tubes up to 3mm wall thickness. The bi-metal construction combines heat and wear resistance with superior cutting performance, outperforming constant-pitch alternatives. Ideal for electricians, fabricators, and maintenance technicians requiring reliable hole cutting in sheet metal and structural steel applications.