M42 HSS-CO8 BIMETAL MPS hole saw, 60 mm diameter and high durability.
MPS 51 mm M3 HSS BiMetal hole saw for precise and durable drilling.
MPS 50 M3 HSS BiMetal 30mm Hole Saw - High Precision and Durability.
MPS 50 mm hole saw MPS-5075 with HSS BiMetal material and 75 mm diameter.