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

xiaopang TCT Ring Cutter - 61-100mm + Cemented Carbide Drill - 2 Inch + Hole Saw - 50mm

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

uptodateproducts TCT Hole Saw - 50mm stainless steel

S&F STEAD & FAST Annular Cutter - 1-3/8"x 2" High Speed Steel (HSS)

Luomorgo Adjustable Hole Saw - 1-3/16" - 12"(30 - 300mm) plywood laminate composite materials rubber plastic

DeWALT Bi-Metal Holesaw - 40mm x 40mm stainless steel, steel, aluminium, brass, copper, zinc, sheets, wood, gypsum and plastics

FAEBER TCT hole saw 75920 - 20mm Stainless Steel

ANKA TOOL HSS ANNULAR Cutter - 1-3/4" steel copper aluminum stainless steel plastic

IRWIN Bi-Metal Holesaw - 76 millimeter aluminium; copper; iron; stainless steel; wood and zinc

Sata GL53304 - 22mm wood copper aluminum metal stainless steel