Long Shank Countersinks

90 Degree Uncoated HSS-XE Long Shank Countersink, 3-Flat Shank - 20.1720 Series (Karnasch)

The Karnasch 22.1720 series 3 flute, long shank, 90 degree countersinks are made from HSS-XE and are suitable for general machining of Steel, Non Ferrous and Cast Iron. These have a self centering geo...

90 degree countersink angle with long shank
HSS-XE Substrate for considerably longer tool life vs HSS
3-flat shank to prevent slippage with high precision torque transmission
For high precision machining of of Steel, Stainless Steel, Cast Iron & Non-Ferrous
3 Flutes ground CBN geometry for excellent chip flow, zero vibration and self centring

Diameter (mm)	6.3 - 20.5
Overall Length (mm)	85 - 115
Shank (mm)	5 - 10

From £22.54 £18.78

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90 Degree Blue-Tec Coated HSS-XE Extra Long Shank Countersink, 3-Flat Shank - 20.1775 Series (Karnasch)

The Karnasch 22.1775 series 3 flute, long shank, 90 degree countersinks are made from HSS-XE with a Blue Tec coating for machining of Steel, Stainless Steel, HRSA's and Cast Iron. These have a self ce...

90 degree countersink angle with extra long shank
HSS-XE Substrate for considerably longer tool life vs HSS
3-flat shank to prevent slippage with high precision torque transmission
Blue-tec coating increases tool life further, even in dry machining
For high precision machining of of Steel, Stainless Steel, Cast Iron & Non-Ferrous
3 Flutes ground CBN geometry for excellent chip flow, zero vibration and self centring

Diameter (mm)	6.3 - 20.5
Overall Length (mm)	85 - 115
Shank (mm)	5 - 10

From £46.21 £38.51

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