Machinery's Handbook, 31st Edition
Milling Cutters 885 American National Standard Stub- and Regular-Length, Two-Flute, Medium Helix, Plain- and Ball-End, Single-End End Mills with Weldon Shanks ANSI/ASME B94.19-1997 (R2019) W L
S
D
L
W
D
S
C
Regular Length — Plain End
Stub Length — Plain End
Length Overall. L
Dia., D
Cutter Dia., D
Shank Dia., S
Length of Cut. W
S
W
L
2 5 ⁄ 16 2 5 ⁄ 16 2 5 ⁄ 16 2 5 ⁄ 16 2 5 ⁄ 16 2 1 ⁄ 2 2 1 ⁄ 2 3 1 ⁄ 8 3 1 ⁄ 8 3 5 ⁄ 16 3 5 ⁄ 16 3 7 ⁄ 16 3 7 ⁄ 16 3 7 ⁄ 16 3 5 ⁄ 8 3
2 1 ⁄ 8 2 3 ⁄ 16 2 1 ⁄ 4
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 5 ⁄ 8 5 ⁄ 8 7 ⁄ 8 7 ⁄ 8 7 ⁄ 8 7 ⁄ 8
3 ⁄ 8
1 ⁄ 8
3 ⁄ 8 3 ⁄ 8 3 ⁄ 8
3 ⁄ 16 9 ⁄ 32
3 ⁄ 16
7 ⁄ 16
3 ⁄ 16
1 ⁄ 4
1 ⁄ 2
1 ⁄ 4
3 ⁄ 8
5 ⁄ 16
9 ⁄ 16 9 ⁄ 16
Regular Length — Ball End
3 ⁄ 8
7 ⁄ 16
13 ⁄ 16 13 ⁄ 16 1 1 ⁄ 8 1 1 ⁄ 8 1 5 ⁄ 16 1 5 ⁄ 16 1 1 5 ⁄ 16 1 5 ⁄ 16 1 5 ⁄ 16 1 1 ⁄ 2 1 1 ⁄ 2 1 1 ⁄ 2 1 1 ⁄ 2 1 1 ⁄ 2
1 ⁄ 2 1 ⁄ 2
Shank Dia., S
Length of Cut. W
Length Overall. L
Dia., C and D
9 ⁄ 16
2 5 ⁄ 16 2 3 ⁄ 8 2 7 ⁄ 16
1 ⁄ 8
3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 5 ⁄ 8 1 ⁄ 2 3 ⁄ 4
3 ⁄ 8 1 ⁄ 2 5 ⁄ 8
5 ⁄ 8
11 ⁄ 16
3 ⁄ 16
3 ⁄ 4 5 ⁄ 8
1 ⁄ 4
2 1 ⁄ 2 2 1 ⁄ 2
11 ⁄ 16
5 ⁄ 16
3 ⁄ 4 3 ⁄ 4
3 ⁄ 4
3 ⁄ 8
1
3
13 ⁄ 16
7 ⁄ 16
3 5 ⁄ 8 3 5 ⁄ 8 3 3 ⁄ 4 3 3 ⁄ 4 3 7 ⁄ 8 3 7 ⁄ 8 4 1 ⁄ 8 4 1 ⁄ 8 4 1 ⁄ 8 4 1 ⁄ 8 4 1 ⁄ 8 4 1 ⁄ 8 4 1 ⁄ 8 4 1 ⁄ 8 4 1 ⁄ 8
7 ⁄ 8
1
1
3
1 ⁄ 2
1 1 ⁄ 8 1 1 ⁄ 8
3 1 ⁄ 8 3 1 ⁄ 8
7 ⁄ 8
9 ⁄ 16
1
5 ⁄ 8
1 1 ⁄ 8 1 1 ⁄ 4 1 1 ⁄ 8 1 1 ⁄ 4 1 3 ⁄ 8 1 1 ⁄ 2 1 1 1 ⁄ 4 1 1 ⁄ 2 1 3 ⁄ 4
1 5 ⁄ 8 1 5 ⁄ 8 1 5 ⁄ 8 1 5 ⁄ 8 1 5 ⁄ 8 1 5 ⁄ 8 1 5 ⁄ 8 1 5 ⁄ 8 1 5 ⁄ 8 1 5 ⁄ 8 1 5 ⁄ 8
1 3 ⁄ 8 1 5 ⁄ 16 1 5 ⁄ 8
3 1 ⁄ 2 3 5 ⁄ 16 3 7 ⁄ 8
5 ⁄ 8 3 ⁄ 4 3 ⁄ 4
1 1 1 1 1
2
4 1 ⁄ 4 4 3 ⁄ 4 4 3 ⁄ 4
7 ⁄ 8
7 ⁄ 8
1
1 1
2 1 ⁄ 4 2 1 ⁄ 4 2 1 ⁄ 2 2 1 ⁄ 2
1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4
1 1 ⁄ 8
5
1 1 ⁄ 4 1 1 ⁄ 2
1 1 ⁄ 4 1 1 ⁄ 4
2 5 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 , - 0.0015 inch for stub-length mills, + 0.003 inch for regular-length mills; on S , - 0.0001 to - 0.0005 inch; on W , ± 1 ⁄ 32 inch; and on L , ± 1 ⁄ 16 inch. The following single-end end mills are available in premium high-speed steel: ball end, two flute, with D ranging from 1 ⁄ 8 to 1 1 ⁄ 2 inches; ball end, multiple flute, with D ranging from 1 ⁄ 8 to 1 inch; and plain end, two flute, with D ranging from 1 ⁄ 8 to 1 1 ⁄ 2 inches.
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