Single End Cobalt High Speed Steel
List 545 OSG COBALT HSS EML
SPEED FEED 1410-1411
PACKED 1 PIECE
HSS-Co
REG
LONG
WELDON FLAT
30˚
BR
Cutting Diameter Tolerance 1/4" ≤ D ≤ 2" +0.0011 / -0"
Diameter
Length of Cut
Overall Length
Shank Diameter
EDP Number
Number of Flutes
Lc (Inch) 1.250 1.375 1.500 1.750 2.000 2.500 3.000 3.500 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000
L (Inch) 3.063 3.125 3.250 3.750 4.000 4.625 5.250 5.750 6.500 6.500 6.500 6.500 6.500 6.500 6.500 6.500 7.750 7.750
d (Inch) 0.375 0.375 0.375 0.500 0.500 0.625 0.750 0.875 1.000 1.000 1.000 1.250 1.000 1.250 1.250 1.250 2.000 2.000
D (Fractional Size)
5450300 5450400 5450500 5451000 5451100 5452100 5453100 5454100 5455100 5455200 5455300 5456100 5455500 5456200 5456300 5456400 5457400 5458400
1/4
4 4 4 4 4 4 4 4 4 6 6 6 6 6 6 8 4 6
5/16
3/8
7/16
1/2 5/8 3/4 7/8
1
1-1/8 1-1/4 1-1/4 1-1/2 1-1/2 1-3/4
2 2 2
Stocked Globally Stocked Note: Other coatings available upon request. 2" diameter shanks have combination drive. Available Upon Request; MOQ May Apply
STE
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
966
Square End
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