Mollom
Mollom Heavy Duty Carbide Hole Saw, Hole Cutter cuts Stainless Steel, mild Steel, Iron, Copper, Brass,Plastic (2-1/8'' 54mm)
Ryker Hardware
Ryker Hole Saw Kit with Arbors and Replacement Drill Bits, Heavy Duty Steel Construction for Boring Wood, Aluminum, Metal, or PVC, Plumbing and DIY Carpentry (Bi Metal - Metal Hole Saw Kit)
XDOVET
16% off
XDOVET Bi-Metal Hole Saw Kit, 10 PC General Purpose 3/4" to 2-1/2" Set with Case. Used for Precise Drilling On Metal, Wood, Plastic, and Doors. Durable High-Speed Steel
KATA
KATA 1-3/8" - 1-3/4" Bi-Metal Door Lock Installation Kit for Metal and Wood Doors with Guide Template, Deadbolt Installation Kit and Door Lock Hole Saw Kit