IRWIN IRW10502500 19 Piece HSS Pro Drill Bit Set

• 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.

Sizes: 

• 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9. 9.5 and 10mm.