>> Industrial hole saw kit produced with Starrett\'s Fastcut hole saws. These variable pitch hole saws have
been the industry standard for decades.
>> Hardened， heat resistant， and positive rake high speed steel teeth are welded to a durable alloy backing
and cap. They are exceptionally strong， safe， and shatter resistant.
>> These tools effectively and economically cut a wide variety of materi als including Aluminum Sheet， Plastic， Wood

Features:
>> Manufactured with hardened heat resistant and positve rake high speed steel teeth welded
to a durable alloy backing and cap
>> Exceptionally strong， safe， and shatter resistant
>> Effectively and economically cuts a wide variety of materials including Aluminum Sheet， Plastic， Wood
>> For 0.5mm - 10mm Thickness Aluminum
>> Allows cutting through a depth 25mm (for wood)
>> Drill Diameter Size: 2-1/2"(64mm)， 3"(76mm)， 3-1/2"(89mm)， 4"(1020mm)， 5"(127mm)

Please noted that if you cut the hard material such as Aluminum ...
you need to use the oil to low the temperature， if not， maybe the drill bit will be broken due to
high temperature， please understand

Packaging included:
5x Holesaw Drill Bit
1x 1/4" drill bit (2" long) with mandrel
1x Drive plate
1x Hex wrench