Milling Cutters:

High Speed Steel Counter Sinks

High Speed Steel
Counter Sinks - 900  
Parallel Hand Reamers

 
High Speed Steel Counter Sinks

With Parallel Shank and Solid Pilot


Diameter H11

Pilot Diameter h9

Shank Diameter h9 Overall Length Cutting Edge Length
Over Up to and including
5 8 To be specified to suit pilot hole diameter when Ordering 5 71 14
8 12.5   8 80 18
12.5 20 12.5 100 22  


Dimensions in mm.

Specification conform to IS : 6324 - 1971

Normally Type H Tools are Supplied


With Morse Taper Shank and Detachable Pilot


Diameter Z9

Pilot Diameter e9

Pilot Hole Dia H8

Cone Dia. Overall Length Cutting Edge Length
Over Up to and including Over Up to and including
12.5 16 6.3 14 4 6 132 22
16 20 6.3 18 5 6 140 25
20 25 8 22.4 6 7.5 150 30
25 31.5 10 28 8 9.5 180 35
31.5 40 12.5 35.5 10 10 190 40
* Diameters 12.5 and 6.3 also included


Dimensions in mm.

Specification conform to IS :5703 - 1988 / ISO 4204 - 1977

These Countersinks have Rh Helical Flutes RH Cutting.



 

 
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