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HSS Parting Tool Bits / Cut Off Blades – M-2 Grade

  • HSS M2 grade parting tool bits, also known as cut-off blades, are commonly used for machining operations on lathes and other machines.
  • They are made from high-speed steel (HSS) and specifically from the M2 grade, which is known for its good wear resistance and ability to maintain hardness at elevated temperatures.
  • They are suitable for parting off (cutting) operations on various materials including mild steel, alloy steels, and tool steels. 
Cat No Size (Inch)
GTB-3901 1/16 x 5/16 x 3 1/2
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GTB-3902 3/32 x 1/2 x 4
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GTB-3903 3/32 x 1/2 x 4 1/2
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GTB-3904 3/32 x 5/8 x 5
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GTB-3905 1/8 x 3/4 x 6
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GTB-3906 1/8 x 7/8 x 6
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GTB-3907 1/8 x 7/8 x 7
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GTB-3908 1/8 x 1" x 8
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GTB-3909 3/16 x 3/4 x 6
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GTB-3910 3/16 x 1 x 6
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GTB-3911 3/16 x 1 x 6 1/2
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GTB-3912 3/16 x 1 1/8 x 7
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GTB-3913 3/16 x 1 x 8
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Cat No

GTB-3901, GTB-3902, GTB-3903, GTB-3904, GTB-3905, GTB-3906, GTB-3907, GTB-3907, GTB-3908, GTB-3909, GTB-3910, GTB-3911, GTB-3912, GTB-3913

Size (Inch)

1/16 x 5/16 x 3 1/2, 3/32 x 1/2 x 4, 3/32 x 1/2 x 4 1/2, 3/32 x 5/8 x 5, 1/8 x 3/4 x 6, 1/8 x 7/8 x 6, 1/8 x 7/8 x 7, 1/8 x 1" x 8, 3/16 x 3/4 x 6, 3/16 x 1 x 6, 3/16 x 1 x 6 1/2, 3/16 x 1 1/8 x 7, 3/16 x 1 x 8