Machinery's Handbook, 31st Edition
Milling Cutters 887 American National Standard Regular-, Long-, and Extra-Long-Length, Three- and Four-Flute, Medium Helix, Center Cutting, Single-End End Mills with Weldon Shanks ANSI/ASME B94.19-1997 (R2019)
L
W
S
D
L
W
S
D
Four Flute
Long Length
Extra-Long Length
Regular Length
Dia., D
L
S
W
L
S
W
L
S
W
… … … … … … … … … … … …
2 5 ⁄ 16 2 3 ⁄ 8 2 7 ⁄ 16 2 1 ⁄ 2 2 1 ⁄ 2 3 1 ⁄ 4 3 3 ⁄ 4 3 3 ⁄ 4 3 7 ⁄ 8 4 1 ⁄ 8 4 1 ⁄ 2 4 1 ⁄ 2 4 1 ⁄ 2 4 1 ⁄ 2
1 ⁄ 8
3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 1 ⁄ 2 5 ⁄ 8 5 ⁄ 8 3 ⁄ 4 7 ⁄ 8
3 ⁄ 8 1 ⁄ 2 5 ⁄ 8 3 ⁄ 4 3 ⁄ 4
3 ⁄ 16
1 1 ⁄ 4 1 3 ⁄ 8 1 1 ⁄ 2
3 3 ⁄ 16 3 1 ⁄ 8 3 1 ⁄ 4
1 3 ⁄ 4
3 9 ⁄ 16 3 3 ⁄ 4 4 1 ⁄ 4
1 ⁄ 4
3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 1 ⁄ 2 5 ⁄ 8 3 ⁄ 4 7 ⁄ 8
3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 1 ⁄ 2 5 ⁄ 8 3 ⁄ 4 7 ⁄ 8
2
5 ⁄ 16
2 1 ⁄ 2
3 ⁄ 8 1 ⁄ 2 5 ⁄ 8 3 ⁄ 4 7 ⁄ 8
2
4
3 4 4 5 6
5
1 1 ⁄ 4 1 5 ⁄ 8 1 5 ⁄ 8 1 5 ⁄ 8 1 7 ⁄ 8
2 1 ⁄ 2
4 5 ⁄ 8
6 1 ⁄ 8
… … … … … …
11 ⁄ 16
3
5 1 ⁄ 4 5 3 ⁄ 4 6 1 ⁄ 2
6 1 ⁄ 4 7 1 ⁄ 4 8 1 ⁄ 2
3 1 ⁄ 2
1
4
1
1
1 1
2 2 2 2
… … … … … …
1 1 ⁄ 8 1 1 ⁄ 4 1 1 ⁄ 2
4
6
1 1 ⁄ 4 1 1 ⁄ 4
1 1 ⁄ 4
6 1 ⁄ 2
1 1 ⁄ 4
8 1 ⁄ 2
… … … … … … Three Flute
Dia., D
Dia., D
S
W
L
S
W
L
Regular Length ( cont. )
Regular Length
1 1 1
2 2 2 2 2 2 2
2 5 ⁄ 16 2 3 ⁄ 8 2 7 ⁄ 16 2 1 ⁄ 2 2 1 ⁄ 2 2 11 ⁄ 16 2 11 ⁄ 16 3 1 ⁄ 4
1 1 ⁄ 8 1 1 ⁄ 4 1 1 ⁄ 2 1 1 ⁄ 4 1 1 ⁄ 2 1 3 ⁄ 4
4 1 ⁄ 2 4 1 ⁄ 2 4 1 ⁄ 2 4 1 ⁄ 2 4 1 ⁄ 2 4 1 ⁄ 2 4 1 ⁄ 2
1 ⁄ 8
3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 5 ⁄ 8 5 ⁄ 8 5 ⁄ 8 5 ⁄ 8 3 ⁄ 4 3 ⁄ 4 3 ⁄ 4 7 ⁄ 8
3 ⁄ 8 1 ⁄ 2 5 ⁄ 8 3 ⁄ 4 3 ⁄ 4
3 ⁄ 16
1 ⁄ 4
1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4
5 ⁄ 16
3 ⁄ 8
1 1
7 ⁄ 16
2
1 ⁄ 2 1 ⁄ 2
1 1 ⁄ 4 1 3 ⁄ 8 1 3 ⁄ 8 1 3 ⁄ 8 1 5 ⁄ 8 1 5 ⁄ 8 1 5 ⁄ 8 1 7 ⁄ 8 1 7 ⁄ 8 1 5 ⁄ 8 1 7 ⁄ 8 1 7 ⁄ 8 1 7 ⁄ 8
Long Length
3 3 ⁄ 8 3 3 ⁄ 8 3 3 ⁄ 8 3 5 ⁄ 8 3 3 ⁄ 4 3 3 ⁄ 4 3 7 ⁄ 8 4 1 ⁄ 8 4 1 ⁄ 8 4 1 ⁄ 8 4 4
9 ⁄ 16 9 ⁄ 16
1 1 ⁄ 4 1 3 ⁄ 8 1 1 ⁄ 2 1 3 ⁄ 4
3 11 ⁄ 16 3 1 ⁄ 8 3 1 ⁄ 4
1 ⁄ 4
3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 1 ⁄ 2 1 ⁄ 2 5 ⁄ 8 3 ⁄ 4
5 ⁄ 16
5 ⁄ 8 3 ⁄ 4 5 ⁄ 8 3 ⁄ 4 7 ⁄ 8 3 ⁄ 4 7 ⁄ 8
3 ⁄ 8
3 3 ⁄ 4
7 ⁄ 16
2
4
1 ⁄ 2 5 ⁄ 8 3 ⁄ 4
2 1 ⁄ 2
4 5 ⁄ 8 5 1 ⁄ 4 6 1 ⁄ 2 6 1 ⁄ 2 6 1 ⁄ 2 6 1 ⁄ 2
3 4 4 4 4 4
1
1
1
1 1 ⁄ 4 1 1 ⁄ 2 1 3 ⁄ 4
1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4
1 1 1
2
1
2
4 1 ⁄ 2 6 1 ⁄ 2 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 D , +0.003 inch; on S , - 0.0001 to - 0.0005 inch; on W , ± 1 ⁄ 32 inch; and on L , ± 1 ⁄ 16 inch. The following center-cutting, single-end end mills are available in premium high-speed steel: regular-length, multiple flute, with D ranging from 1 ⁄ 8 to 1 1 ⁄ 2 inches; long length, multiple flute, with D ranging from 3 ⁄ 8 to 1 1 ⁄ 4 inches; and extra-long-length, multiple flute, with D ranging from 3 ⁄ 8 to 1 1 ⁄ 4 inches.
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