Single End Cobalt High Speed Steel List 540 (Continued) OSG COBALT HSS SQ
SPEED FEED 1410-1411
PACKED 1 PIECE
HSS-Co
STUB
REG
WELDON FLAT
30˚
BR
TiN
Cutting Diameter Tolerance 1/8" ≤ D ≤ 2" +0.003 / -0"
Diameter
Length of Cut
Overall Length Shank Diameter
EDP Number
Number of Flutes
Surface Treatment
Lc (Inch) 1.875 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 2.000 2.000 2.000 2.000 2.000 2.000
L (Inch) 4.125 4.000 4.125 4.000 4.125 4.125 4.125 4.500 4.500 4.250 4.500 4.250 4.500 4.500 4.500 4.500 4.500 4.500 4.500 5.750 5.750
d (Inch) 0.750 0.625 0.750 0.625 0.750 0.875 0.750 1.000 1.000 0.875 1.000 0.875 1.000 1.250 1.000 1.000 1.250 1.250 1.250 2.000 2.000
D (Fractional Size)
5403400 5402600 5403500 5402700 5403300 5404200 5403305 5405100 5405105 5404300 5405200 5404400 5405300 5406100 5405400 5405500 5406200 5406300 5406400 5407400 5408400
29/32 15/16 31/32
4 6 4 6 4 4 4 4 4 6 6 6 6 6 6 6 6 6 8 4 6
BRIGHT BRIGHT BRIGHT BRIGHT BRIGHT BRIGHT
1 1 1 1 1 1
TiN
BRIGHT
TiN
1-1/8 1-1/8 1-1/4 1-1/4 1-1/4 1-3/8 1-1/2 1-1/2 1-3/4
BRIGHT BRIGHT BRIGHT BRIGHT BRIGHT BRIGHT BRIGHT BRIGHT BRIGHT BRIGHT BRIGHT BRIGHT
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
964
Square End
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