Machinery's Handbook, 31st Edition
886
Milling Cutters American National Standard Long-Length Single-End and Stub-, and Regular-Length, Double-End, Plain- and Ball-End, Medium Helix, Two-Flute End Mills with Weldon Shanks ANSI/ASME B94.19-1997 (R2019)
L
B
W
D
S
L
W
W
C
D
D
S
C
Single End
Long Length — Plain End
Long Length — Ball End
Dia., C and D
S
B a
W
L
S
B a
W
L
… … … … … … … …
2 3 ⁄ 8 2 11 ⁄ 16 3 1 ⁄ 16 3 5 ⁄ 16 3 5 ⁄ 16 3 11 ⁄ 16
1 ⁄ 8
3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 1 ⁄ 2 1 ⁄ 2 5 ⁄ 8 3 ⁄ 4
13 ⁄ 16 1 1 ⁄ 8 1 1 ⁄ 2 1 3 ⁄ 4 1 3 ⁄ 4 1 7 ⁄ 8 2 1 ⁄ 4 2 3 ⁄ 4 3 3 ⁄ 8
3 ⁄ 8 1 ⁄ 2 5 ⁄ 8 3 ⁄ 4 3 ⁄ 4
3 ⁄ 16
1 1 ⁄ 2 1 3 ⁄ 4 1 3 ⁄ 4
3 1 ⁄ 16 3 5 ⁄ 16 3 5 ⁄ 16
1 ⁄ 4
3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 1 ⁄ 2 5 ⁄ 8 3 ⁄ 4
5 ⁄ 8 3 ⁄ 4 3 ⁄ 4
5 ⁄ 16
3 ⁄ 8
… …
… …
1 1
7 ⁄ 16
1
4
4
2 7 ⁄ 32 2 23 ⁄ 32 3 11 ⁄ 32 4 31 ⁄ 32 4 31 ⁄ 32
1 ⁄ 2 5 ⁄ 8 3 ⁄ 4
1 3 ⁄ 8 1 5 ⁄ 8 2 1 ⁄ 2
4 5 ⁄ 8 5 3 ⁄ 8 7 1 ⁄ 4 7 1 ⁄ 4
1 3 ⁄ 8 1 5 ⁄ 8 2 1 ⁄ 2
4 5 ⁄ 8 5 3 ⁄ 8 7 1 ⁄ 4
1
5
1
1
3
… … …
…
1 1 ⁄ 4
1 1 ⁄ 4
a B is the length below the shank.
Double End
Stub Length — Plain End
Regular Length — Plain End
Regular Length — Ball End
Dia., C and D
S
W
L
S
W 3 ⁄ 8
L
S
W 3 ⁄ 8
L
2 3 ⁄ 4 2 3 ⁄ 4 2 3 ⁄ 4 2 7 ⁄ 8 2 7 ⁄ 8
3 1 ⁄ 16 3 1 ⁄ 8 3 1 ⁄ 8 3 1 ⁄ 8 3 1 ⁄ 8 3 1 ⁄ 8 3 1 ⁄ 8 3 1 ⁄ 8 3 1 ⁄ 8 3 3 ⁄ 4 3 3 ⁄ 4 3 3 ⁄ 4 3 3 ⁄ 4 4 1 ⁄ 2 4 1 ⁄ 2
3 1 ⁄ 16
1 ⁄ 8
3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8
3 ⁄ 16
3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 5 ⁄ 8 5 ⁄ 8 3 ⁄ 4 3 ⁄ 4 7 ⁄ 8
3 ⁄ 8
… … …
5 ⁄ 32 3 ⁄ 16 7 ⁄ 32 9 ⁄ 32 5 ⁄ 16 1 ⁄ 4
15 ⁄ 64
7 ⁄ 16 7 ⁄ 16
3 1 ⁄ 8
9 ⁄ 32
3 ⁄ 8
7 ⁄ 16
… … …
21 ⁄ 64
1 ⁄ 2 1 ⁄ 2
3 1 ⁄ 8
3 ⁄ 8
3 ⁄ 8
1 ⁄ 2
… … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … …
… … …
9 ⁄ 16 9 ⁄ 16 9 ⁄ 16 9 ⁄ 16
3 1 ⁄ 8
3 ⁄ 8
9 ⁄ 16
… … …
11 ⁄ 32
3 1 ⁄ 8
3 ⁄ 8
3 ⁄ 8
9 ⁄ 16
… … …
13 ⁄ 32
13 ⁄ 16 13 ⁄ 16 13 ⁄ 16 13 ⁄ 16
3 3 ⁄ 4
7 ⁄ 16
1 ⁄ 2
13 ⁄ 16
… … …
15 ⁄ 32
3 3 ⁄ 4
1 ⁄ 2
1 ⁄ 2
13 ⁄ 16
… … …
1 1 ⁄ 8 1 1 ⁄ 8 1 5 ⁄ 16 1 5 ⁄ 16 1 9 ⁄ 16 1 5 ⁄ 8
9 ⁄ 16
1 1 ⁄ 8
4 1 ⁄ 2
5 ⁄ 8
5 ⁄ 8
5 5
… … …
11 ⁄ 16
5
1 5 ⁄ 16
3 ⁄ 4 7 ⁄ 8
3 ⁄ 4
… … …
5 1 ⁄ 2 5 7 ⁄ 8
1 … … … 1 5 7 ⁄ 8 All dimensions are in inches. All cutters are high-speed steel. Right-hand cutters with right-hand helix are standard. Helix angle is greater than 19 degrees but not more than 39 degrees. Tolerances: On C and D , + 0.003 inch for single-end mills, - 0.0015 inch for double-end mills; on S , - 0.0001 to - 0.0005 inch; on W , ± 1 ⁄ 32 inch; and on L , ± 1 ⁄ 16 inch. 1 1 5 ⁄ 8
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