Properties and application:

  • Used for machining single units and small series
  • With ground carbide blades

Specifications:

Internal pointed boring tool bit ISO9 DIN4974 for cutting steel Internal pointed boring tool bit ISO9 DIN4974 for cutting cast iron Internal pointed boring tool bit ISO9 DIN4974 for cutting stainless steel

iso9a
Tool bit size Dimensions
h
[mm]		 b
[mm]		 d
[mm]		 L
[mm]		 l
[mm]		 n
[mm]		 r
[mm]		 Dmin
[mm]
0808 8 8 8 125 40 3 0,2 14
1010 10 10 10 150 50 4 0,2 18
1212 12 12 12 180 63 5 0,2 21
1616 16 16 16 210 80 6 0,2 27
2020 20 20 20 250 100 8 0,4 34
2525 25 25 25 300 125 10 0,4 43
3232 32 32 32 355 160 12 0,8 52

Learn more about tool bits designation system, cemented carbide grades, machining parameters and application here!