Single End Cobalt High Speed Steel
List 531 OSG COBALT HSS ETS
SPEED FEED 1417
PACKED 1 PIECE
HSS-Co
STUB
REG
WELDON FLAT
30˚
BR
3 FLUTE
Cutting Diameter Tolerance 1/8" ≤ D ≤ 2" +0.0011 / -0"
Diameter
Length of Cut
Overall Length
Shank Diameter
EDP Number
Lc (Inch) 0.375 0.500 0.625 0.750 0.750 1.000 1.000 1.250 1.375 1.375 1.625 1.625 1.625 1.625 1.875 1.875 1.875 1.875 1.875 1.875 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000
L (Inch) 2.313 2.375 2.438 2.500 2.500 2.688 2.688 3.250 3.375 3.375 3.750 3.625 3.750 3.875 4.000 4.125 4.125 4.000 4.125 4.125 4.500 4.500 4.500 4.500 4.500 4.500 4.500 4.500
d (Inch) 0.375 0.375 0.375 0.375 0.375 0.375 0.375 0.500 0.500 0.500 0.625 0.500 0.625 0.750 0.625 0.750 0.875 0.625 0.750 0.875 1.000 1.000 1.000 1.250 1.000 1.250 1.250 1.250
D (Fractional Size)
5310100 5310200 5310300 5310400 5310500 5310600 5310700 5311100 5311200 5311300 5312100 5311500 5312300 5313100 5312500 5313200 5314100 5312700 5313300 5314200 5315100 5315200 5315300 5316100 5315500 5316200 5316300 5316400
1/8
3/16
1/4
5/16
3/8
7/16 1/2 1/2 5/8 5/8 3/4 3/4 9/16
3/4 7/8 7/8 7/8
1 1 1 1
1-1/8 1-1/4 1-1/4 1-1/2 1-1/2 1-3/4
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
955
Square End
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