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Countersinking tools \ Counterbore with fixed pilot

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Application Steel (N/mm ) Stainless steel Alu Brass Bronze Plas- Graphite GG(G) Titan- Nickel- Super- Hard mat.
No. <700 <1000 <1300 marten. austen. short long short long short long tics G(C)FK GjMW alloy alloy alloy <55 HRC <65 HRC
11439 30 20 10 10 10 70 80 45 40 40 40 30 15 7

Cutting material HSS HSSE
Surface Uncoated Uncoated
Suitable for screw Spot-facer Ø (mm) Tenon Ø (mm) Sha Ø (mm) Length (mm) Number of cutting 11438... 11439...

thread edges (PCS) Ident. No. Ident. No.
M3 6 2.5 5 71 3 030 030
M3 6.5 2.5 5 71 3 - - 031
M4 8 3.3 5 71 3 040 040
M5 10 4.2 8 80 3 050 050
M6 11 5 8 80 3 060 060
M8 15 6.8 12.5 100 3 080 080
M10 18 8.5 12.5 100 3 100 100
M12 20 10.2 12.5 100 3 120 120
a = Prod. Gr. 1EA
ORION = Prod. Gr. 103

Counterbore 180° ( DIN 373 )

For fine through hole
180° HA
HSS HSSE TiN
Application: Execution:
No. 11442–11445: For producing counterbores 180°  profi le-ground with spiral blade No. 11442–11445
fi ne quality grade for through hole to DIN 74-2, forms
H, J, K and DIN 974-1. Advantage:
No. 11451: For producing 180° counterbores of fi ne  spiral chip fl utes ensure smooth cutting and the
quality grade for through holes in accordance with blade does not catch
DIN 74-2, type H, J, K and DIN 974-1.  precision grinding for highest requirements in
terms of concentricity and dimensional accuracy No. 11451

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Application Steel (N/mm ) Stainless steel Alu Brass Bronze Plas- Graphite GG(G) Titan- Nickel- Super- Hard mat.
No. <700 <1000 <1300 marten. austen. short long short long short long tics G(C)FK GjMW alloy alloy alloy <55 HRC <65 HRC
11442 30 20 10 10 70 80 45 40 40 40 30 15
11445 30 20 10 10 10 70 80 45 40 40 40 30 15 7
11451 30 20 10 10 10 70 80 45 40 40 40 30 15 7

Cutting material HSS HSSE HSSE
Surface Uncoated Uncoated TiN
Suitable for Spot-facer Ø Tenon Ø (mm) Sha Ø (mm) Length (mm) Number of 11442... 11445... 11451...

screw thread (mm) cutting edges Ident. No. Ident. No. Ident. No.
(PCS)
M2 4.3 2.2 4.3 56 3 020 - - - -
M3 6 3.2 5 71 3 030 030 030
M3 6.5 3.2 5 71 3 - - 031 031
M4 8 4.3 5 71 3 040 040 040
M5 10 5.3 8 80 3 050 050 050
M6 11 6.4 8 80 3 060 060 060
M8 15 8.4 12.5 100 3 080 080 080
M10 18 10.5 12.5 100 3 100 100 100
M12 20 13 12.5 100 3 120 120 120
a = Prod. Gr. 1EA
ORION = Prod. Gr. 103

Counterbore 180° ( DIN 373 )
For through hole, medium quality grade
180° HA
HSS HSSE TiN
Application: Execution:
For producing 180° counterbores of medium quality  profi le-ground with spiral blade No. 11449–11452
grade for through holes in accordance with DIN 74-2,
type H, J, K and DIN 974-1. Advantage:
 spiral chip fl utes ensure smooth cutting and the
blade does not catch
No. 11454

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com
Availability subject to country specific rules and regulations. 75

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