Roughing Cut Cobalt High Speed Steel
List 490 OSG COBALT HSS ROUGHER SQ
SPEED FEED 1422
PACKED 1 PIECE
HSS-Co
STUB
REG
LONG
WELDON FLAT
ROUGH
30˚
BR
Length of Cut
Overall Length
Shank Dia.
Length of Cut
Overall Length
Shank Dia.
Dia.
Dia.
EDP Number
Number of Flutes
EDP Number
Number of Flutes
D (Fractional Size)
D (Fractional Size)
Lc (Inch)
L (Inch)
d (Inch)
Lc (Inch)
L (Inch)
d (Inch)
4909000 4909100 4909200 4909400 4909500 4909700 4909800 4909900 4900100 4900300 4900500 4900600 4900700 4900800 4900900 4901300 4901400 4901100 4901500 4901700 4902100 4901900 4902300 4910100 4910500
1/4 1/4 1/4
0.625 2.438 0.625 0.750 2.500 0.375 1.250 3.063 0.375
4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5
4910700 4910900 4911500 4912100 4912300 4911900 4912500 4913300 4913500 4913100 4913700 4913900 4914500 4926100 4920100 4926700 4920700 4926500 4920500 4926900 4920900 4927100 4921100 4927300 4921300
1 1
3.000 5.500 1.000 4.000 6.500 1.000
5 5 5 6 6 6 6 6 6 6 6 6 6 6 8 6 8 6 8 6 8 6 8 6 8
1-1/8 2.000 4.500 1.000 1-1/4 2.000 4.500 1.250 1-1/4 3.000 5.500 1.250 1-1/4 4.000 6.250 0.750 1-1/4 4.000 6.500 1.250 1-1/2 2.000 4.500 1.250 1-1/2 3.000 5.500 1.250 1-1/2 4.000 6.250 0.750 1-1/2 4.000 6.500 1.250 1-1/2 5.000 7.500 1.250 1-3/4 4.000 6.500 1.250
5/16 0.750 2.500 0.375 5/16 1.375 3.125 0.375
3/8 3/8 1/2 1/2 5/8 5/8 5/8 5/8 3/4 3/4 3/4 3/4 3/4 7/8 7/8 7/8 7/8
0.875 2.625 0.375 1.500 3.250 0.375 1.250 3.250 0.500 2.000 4.000 0.500 1.625 3.750 0.625 2.000 4.125 0.625 2.500 4.625 0.625 3.000 5.125 0.625 1.625 3.875 0.625 1.625 3.875 0.750 2.250 4.500 0.750 3.000 5.250 0.625 3.000 5.250 0.750 1.875 4.125 0.750 1.875 4.125 0.875 3.500 5.750 0.750 3.500 5.750 0.875 2.000 4.250 0.750 2.000 4.500 1.000
7/16 1.000 2.688 0.375
2 2 2 2 2 2 2 2 2 2 2 2
2.000 4.500 1.250 2.000 4.500 1.250 3.000 6.750 2.000 3.000 6.750 2.000 4.000 6.500 1.250 4.000 6.500 1.250 4.000 7.750 2.000 4.000 7.750 2.000 6.000 9.750 2.000 6.000 9.750 2.000 8.000 11.750 2.000 8.000 11.750 2.000
1 1
Stocked
Available Upon Request; MOQ May Apply
Stocked
Available Upon Request; MOQ May Apply
STE
STE
Globally Stocked Note: Other coatings available upon request. 2" diameter shanks have combination drive.
Globally Stocked Note: Other coatings available upon request. 2" diameter shanks have combination drive.
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
975
Square End
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