Specifications:
Cutting Diameter: 24mm / 0.94", 30mm / 1.18"
Cutting Depth: 13mm / 0.51", 15mm / 0.59"
Shank Size: 8mm / 0.31"
Total Length: 67mm / 2.64", 73mm / 2.87"
Material: HSS (High Speed Steel)
Package Content: 2pcs x Hole Saws, 2pcs x Hex Wrenches
Main Color: Black, Silver Tone

Descriptions:Made of high speed steel, hole saws are high hardness and toughness, heat resistance, wear resistance, low consumption, impact resistance.
Suitable for opening large diameter holes through iron, aluminum, alloy, wood and plastic. Perfect for installing locks, knobs in doors, desks and cabinets, making the job quick and easy.
Sharp cutting edge provides precise and smooth cutting. Special chip space design for fast and clean chip removal.Hole saw creates holes in work pieces without having to cut the core material.
Suitable for hand-held electric drill, vertical electric drill and other ordinary drilling machine. Please use in slow speed, minimum pressure, and keep the hole saw stable when cutting materials. Apply lubrication or water to cool down during drilling.
It is recommended that the thickness of the hole is not more than 3mm when using hand drill. The effect will be different for the difference of power and torque. If it exceeds 3mm, please use a bench drill or magnetic drill.