Bi-Metal Hole Saws 4-3/8 in. - A great Bi-Metal Hole Saw for any situation. Features M42 Bi-Metal Hole Saw For Use in Most Materials: Wood, Plastic, Aluminum, Brass, Cast Iron, and Stainless Steel. Variable Pitch Design ( 4-6 Teeth/Inch) Reduces Labor and Tool Costs By Cutting 45 Faster and Lasting Longer than Straight 6 Pitch Saws. Better Chip Clearance, Less Heat Build-Up, Lower Feed Pressure and Smooth Cuts. Bi-Metal Hole Saws Combine the Toughness and Shock Resistance of an Alloy with the Cutting Ability of High Speed Steel. 1-3/4 in. Cutting Depth. 3/16 in. Thick Heavy Duty Backing Plate Eliminates the Need for Driving Plates and Prevents Drive Pin Holes from Elongating. Packed in Individual Color Boxes. Item Weight - 1.0813 lbs. Specification Saw Dia. Inches ( mm): 4-3/8 ( 111).
