Roughing Cut Cobalt High Speed Steel
List 420 OSG COBALT HSS ROUGHER SQ
SPEED FEED 1419
PACKED 1 PIECE
FINE ROUGH
HSS-Co
STUB
WELDON FLAT
25˚
BR
Diameter
Length of Cut
Overall Length
Shank Diameter
EDP Number
Number of Flutes
Lc (Inch) 0.250 0.375 0.500 0.625 0.750 0.875 1.000 1.000 1.250 1.250
L (Inch) 2.063 2.156 2.500 2.750 2.875 3.125 3.500 3.750 3.750 3.750
d (Inch) 0.375 0.375 0.500 0.625 0.750 0.750 0.750 1.000 1.250 1.250
D (Fractional Size)
4205000 4205100 4205200 4205300 4205400 4205500 4205600 4205700 4205800 4205900
1/4 3/8 1/2 5/8 3/4 7/8
3 3 3 3 3 3 3 3 4 6
1 1
1-1/4 1-1/2
Globally Stocked
Stocked
Available Upon Request; MOQ May Apply
STE
Note: Other coatings available upon request.
P
M
K
N
S
H
Steel
Non-Ferrous
HRSA
Carbon Steel
Stainless Steel
Hardened Steel
Alloy Steel 4140 4340
Cast Iron
Aluminum Nickel Alloy Titanium
Die Steel
Low Medium High 1010 1018 1035 1045 1065
6Al4V (30 HRC)
~35 HRC
35-45 HRC
45-50 HRC
50-70 HRC
6061 7075 Casting Inconel
300
400 17-4 PH
Good
Best
971
Square End
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