Bosch HSS Bi-Metal Hole Saw - 3.8 cm wood and metal

TOLSEN TCT hole saw - 3-1/8 inch (80mm) wood and stainless steel

KSEIBI HSS BI-METAL HOLESAWS - 32MM Metal Wood Plastic Drywall

The L.S. Starrett Company BiMetal Fast Cut Straight Pitch Hole Saw - 158 Metal Steel and Wood

FAEBER Bi-metal Hole saw - 41mm

Domary HSS Drill Bit Hole Saw - 15-50mm steel stainless steel copper brass aluminum fiberglass laminates

Sata GL53304 - 22mm wood copper aluminum metal stainless steel

Sata GL53313 - 60MM wood copper aluminum metal stainless steel

Craftsman Hole Saw Kit - wood and metal

Sata GL53309 - 38MM wood copper aluminum metal stainless steel

Sata GL53312 - 57MM wood copper aluminum metal stainless steel