Description
This Irwin 10502500 HSS Pro is an industrial quality 19-piece twist drill bit set with outstanding performance and long service life.
They are designed for drilling steel and steel castings, alloyed and non-alloyed steel, cast iron, non-ferrous metals, plastics and other materials.
The 118° split point shape provides an optimum centering when starting and a faster drilling rate.
There is no need to pre-punch or use a pilot drill they penetrate quickly and require little effort / feed pressure.
They are highly accurate and are made from High-performance high-speed steel.
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