Dormer C42820.0 5984922 slot drill roughing end mill, 20.00 mm cutting diameter, 4-flute, powder metallurgy cobalt HSS (HSS-E-PM), 35° helix angle, DIN 844 K standard. Suitable for roughing applications in steel, stainless steel, cast iron, non-ferrous metals, and high-temperature alloys. 20 mm connection diameter, 38 mm maximum depth of cut.

Basic Standard

DIN 844 K

Coating

ALCRONA

Coating property (CTP)

1

Connection diameter - inch (DCON MS)

0.7874

Connection diameter - millimeter (DCON MS)

20

Cut length

Short

Cutting diameter - inch (DC)

0.7874

Cutting diameter - millimeter (DC)

20

Cutting diameter tolerance class (TCDC)

k12

Depth of cut maximum - inch (APMX)

1.4961

Depth of cut maximum - millimeter (APMX)

38

EDP number

70031

Flute count (NOF)

4

Flute helix angle (FHA)

35

Material

HSS-E-PM

MID number

5984922

Mill Profile

HRA - Fine Pitch Asymmetrical Rounded Profile Chipbreaker

Neck diameter - inch (DN)

0.7677

Neck diameter - millimeter (DN)

19.5

Ordering code ANSI

C42820.0

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