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Countersinks
Three flutes countersinks
90° Angle
Red'X coating
HSS-E Cobalt + Red'X = hardness 65 HRC, to machine steels up to 1000 N/mm², Cast irons up to 200 HB, copper, brass, bronze, aluminium. The Red'X coating = hardness 3500 HV considerably increases the tool life for intensive use, by increasing wear resistance and improving surface finish.
General tolerances
Red'X 4931
DIN 335-C
Angle :
90°
Material :
HSS-E Cobalt
Coating :
Red'X
Serie :
metric right hand cut
Use :
machine use
Type :
Metric
Catalog 239 :
D
mm
D
inch
d1
maxi
d2
L
Reference
€ Unit
28,0
4,0
12
71
84493128000
84,86
30,0
4,2
12
71
84493130000
98,24
31,0
4,2
12
71
84493131000
98,24
Articles/page 
1 2
* Please mention the shank Ø when ordering

Sets

Designation
Composition
Reference
€ Unit
SET 5 C'SINKS 4931 10,4-16,5-20,5-25-31
Ø 10,4 - 16,5 - 20,5 - 25 - 31
84493100000
274.85
SET 6 C'SINKS 4931/2 6,3-8,3-10,4-12,4-16,5-20,5
Ø 6,3-8,3-10,4-12,4-16,5-20,5
84493100002
209.22