Dormer C24721.0 5984315 21mm slot drill, 4-flute, 30° helix, powder metallurgy cobalt HSS (HSS-E-PM), DIN 844 K standard. 20mm connection diameter, 38mm max depth of cut, 12° radial rake. For non-ferrous metals, steel/cast steel, and high-temperature alloys.

Basic Standard

DIN 844 K

Coating

Bright

Connection diameter - inch (DCON MS)

0.7874

Connection diameter - millimeter (DCON MS)

20

Cut length

Short

Cutting diameter - inch (DC)

0.8268

Cutting diameter - millimeter (DC)

21

Cutting diameter tolerance class (TCDC)

k10

Depth of cut maximum - inch (APMX)

1.4961

Depth of cut maximum - millimeter (APMX)

38

EDP number

609330

Flute count (NOF)

4

Flute helix angle (FHA)

30

Material

HSS-E-PM

Material application

N - Non-ferrous metals, P - Steel and cast steel, S - High-temperature alloys

MID number

5984315

Mill Profile

N - General Purpose Cutter Type for Low to High Resistance Materials

Neck diameter - inch (DN)

0.7677

Neck diameter - millimeter (DN)

19.5

Ordering code ANSI

C24721.0

Overall length - inch (OAL)

4.0945

Overall length - millimeter (OAL)

104

Peripheral effective cutting edge count (ZEFP)

4

Radial rake angle (GAMF)

12

Shank

Weldon shank DIN 1835B

Usable Length - millimeter (LU)

53.5