Description
All countersinks have 3 cutting edges, radially relieved.
Flutes are ground from solid.
Economy countersink version.

Product Data
Product type: Countersink
Countersink angle: 90deg
Tool material: HSS
Coating: -
Number of cutting edges: 3
External Dia. Dc: 31 mm
Smallest countersink Dia. for holes from: 4.2 mm
L: 71 mm
Dia. Ds: 12 mm
For countersunk screws ISO 2009, 2010, 7046, 7047: -
For countersunk screws DIN 7991: M16
Feed (f), Steel <500 N: 0.2 mm/rev

Cutting Data
Alu plastics: 70
Alu: 33
Steel <500 N: 28
Steel <750 N: 27
Steel <900 N: 27
Steel <1100 N: 8

Application
High-precision countersink for chatter-free 90deg countersinking.