4-1/2 inch HSS Bi-Metal Hole Saw with Heavy Duty Arbor, Perfect for Recessed lights, Speakers and Acoustic Tile

Hole Saw Features:
-Bi-metal material for cutting of steel, aluminum, brass, wood, plastic, metal sheet, plaster and drywall
-Smooth and clean cutting holes
-Unique teeth configuration for fast removal of cutting materials
-Pins lock the saw to prevent over-tightening
-Ideal for DIY cutting hole of home projects, like Can Light, Recessed Lights, Ceiling Lights, Speakers, Acoustic Tile, and Air Ducts

BI-Metal Hole Cutter Specifications:
Material:
Made of High-Quality Bi-Metal Band and Sharp HSS Blade
Higher Hardness(≥64HRC), Higher Toughness and Stronger Wear Resistance

Dimensions:
Cutting Diameter: 4-1/2inch (114mm);
The Hole Saw Depth: 1-1/2 inch (38mm);
Hole Saw Arbor Shank: 1/2 inch (12mm)

Package:
1 Pack 114mm Hole Saw
1 Pack 1/2 Hex Shank Mandrel
3 Pack High-Speed Steel Pilot Drills
1 Pack Allen Wrench

Color: Red Hole Saw
Design: Non-binding clean edge design
Surface treatment: Silicon carbide coating
It is OK for drilling as clockwise rotation, but not anti-clockwise.