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Drilling tools
Counterbore
Counterbore 180° DIN 373
for thread core hole
Metal cutting tools
Metal cutting tools
180° HA
HSS HSSE
Application: No. 11439: profile-ground with spiral blade for the
For producing counterbores for thread core holes most demanding requirements in terms of dimen-
in accordance with DIN 74-2, types H, J, K and DIN sional accuracy and process reliability
974-1.
Advantage:
Execution: spiral chip flutes ensure smooth cutting and the
No. 11438: profile-ground with spiral blade to blade does not catch
meet demanding requirements with regard to
dimensional accuracy and process reliability
Application Steel (N/mm ) 2 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
11438 30 20 10 10 70 80 45 40 40 40 30 15
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) Shaft Ø (mm) Length (mm) Number of cutting 11438... 11439...
thread edges (PCS) ID no. ID no.
M2 4.3 1.6 4.3 56 3 020 O. R. - -
M3 6 2.5 5 71 3 030 O. R. 030 O. R.
M4 8 3.3 5 71 3 040 O. R. 040 O. R.
M5 10 4.2 8 80 3 050 O. R. 050 O. R.
M6 11 5 8 80 3 060 O. R. 060 O. R.
M8 15 6.8 12.5 100 3 080 O. R. 080 O. R.
M10 18 8.5 12.5 100 3 100 O. R. 100 O. R.
M12 20 10.2 12.5 100 3 120 O. R. 120 O. R.
M3 6.5 2.5 5 71 3 - - 031 O. R.
Unit price, €
ORION = Prod. group 103
a = Prod. group 114
180° counterbore, HSS, uncoated for thread core hole DIN 373
for universal use up to 1000 N/mm2
180° MK
HSS
Application: Advantage:
For producing counterbores for thread core holes spiral chip flutes ensure smooth cutting and the
in accordance with DIN 74-2, types H, J, K and DIN blade does not catch
974-1.
Execution:
profile-ground with spiral blade to meet demanding
requirements with regard to dimensional accuracy
and process reliability
Application Steel (N/mm ) 2 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
11440 30 20 10 10 70 80 45 40 40 40 30 15
Cutting material HSS
Suitable for screw Spot-facer Ø (mm) Tenon Ø (mm) Morse taper size Length (mm) Number of cutting 11440...
thread edges (PCS) ID no.
M10 18 8.5 MK 2 150 3 210 O. R.
M12 20 10.2 MK 2 150 3 212 O. R.
M14 24 12 MK 2 160 3 214 O. R.
M16 26 14 MK 3 190 3 216 O. R.
M18 30 15.5 MK 3 190 3 218 O. R.
M20 33 17.5 MK 3 190 3 220 O. R.
M22 36 19.5 MK 3 205 3 222 O. R.
M24 40 21 MK 3 205 3 224 O. R.
Unit price, €
Prod. group 103
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