Milling Cutters American National Standard Side Milling Cutters ANSI/ASME B94.19-1997 (R2019) Machinery's Handbook, 31st Edition
874
Cutter Diameter
Hole Diameter
Range of Face Widths Nom. a Side Cutters b
Nom.
Max.
Min.
Nom.
Max.
Min.
0.62575 0.87575 1.00075 1.00075 1.2510 1.00075 1.2510 1.00075 1.2510 1.2510 1.5010 1.2510 1.5010 0.87575 1.00075 1.2510 1.2510 1.2510 1.2510 1.5010 1.2510 1.2510 1.2510
0.6250 0.8750 1.0000 1.0000 1.2500 1.0000 1.2500 1.0000 1.2500 1.2500 1.5000 1.2500 1.5000 0.8750 1.0000 1.2500 1.2500 1.2500 1.2500 1.5000 1.2500 1.2500
2
2.015 2.515 3.015 4.015 4.015 5.015 5.015 6.015 6.015 7.015 7.015 8.015 8.015 2.515 3.015 3.015 4.015 5.015 6.015 8.015 4.015 5.015 6.015
1.985 2.485 2.985 3.985 3.985 4.985 4.985 5.985 5.985 6.985 6.985 7.985 7.985 2.485 2.985 2.985 3.985 4.985 5.985 7.985 3.985 4.985 5.985
3 ⁄ 16 , 1 ⁄ 4 , 3 ⁄ 8 1 ⁄ 4 , 3 ⁄ 8 , 1 ⁄ 2
5 ⁄ 8 7 ⁄ 8
2 1 ⁄ 2
1 1
3 4 4 5 5 6 6 7 7 8 8 3 3 4 5 6 8
1 ⁄ 4 , 5 ⁄ 16 , 3 ⁄ 8 , 7 ⁄ 16 , 1 ⁄ 2 1 ⁄ 4 , 3 ⁄ 8 , 1 ⁄ 2 , 5 ⁄ 8 , 3 ⁄ 4 , 7 ⁄ 8
1 ⁄ 2 , 5 ⁄ 8 , 3 ⁄ 4 1 ⁄ 2 , 5 ⁄ 8 , 3 ⁄ 4
1 1 ⁄ 4
1
1 ⁄ 2 , 5 ⁄ 8 , 3 ⁄ 4 , 1
1 1 ⁄ 4
1
1 ⁄ 2
1 ⁄ 2 , 5 ⁄ 8 , 3 ⁄ 4 , 1
1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 2 1 1 ⁄ 4 1 1 ⁄ 2
3 ⁄ 4 3 ⁄ 4
3 ⁄ 4 , 1 3 ⁄ 4 , 1
Staggered-Tooth Side Cutters c
2 1 ⁄ 2
1 ⁄ 4 , 5 ⁄ 16 , 3 ⁄ 8 , 1 ⁄ 2 3 ⁄ 16 , 1 ⁄ 4 , 5 ⁄ 16 , 3 ⁄ 8
7 ⁄ 8
1
1 ⁄ 2 , 5 ⁄ 8 , 3 ⁄ 4
1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 2 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4
1 ⁄ 4 , 5 ⁄ 16 , 3 ⁄ 8 , 7 ⁄ 16 , 1 ⁄ 2 ,
5 ⁄ 8 , 3 ⁄ 4 and 7 ⁄ 8 1 ⁄ 2 , 5 ⁄ 8 , 3 ⁄ 4
3 ⁄ 8 , 1 ⁄ 2 , 5 ⁄ 8 , 3 ⁄ 4 , 7 ⁄ 8 , 1 3 ⁄ 8 , 1 ⁄ 2 , 5 ⁄ 8 , 3 ⁄ 4 , 1 Half Side Cutters d
4 5 6
3 ⁄ 4 3 ⁄ 4
3 ⁄ 4 1.2500 a Tolerances on Face Widths: For side cutters, +0.002, - 0.001 inch; for staggered-tooth side cutters up to 3 ⁄ 4 -inch face width, inclusive, +0.000 - 0.0005 inch, and over 3 ⁄ 4 to 1 inch, inclusive, +0.000 - 0.0010 inch; and for half side cutters, +0.015, - 0.000 inch. b Side milling cutters have straight peripheral teeth and side teeth on both sides. c Staggered-tooth side milling cutters have peripheral teeth of alternate right- and left-hand helix and alternate side teeth. d Half side milling cutters have side teeth on one side only. The peripheral teeth are helical of the same hand as the cut. Made either with right-hand or left-hand cut. All dimensions are in inches. All cutters are high-speed steel. Side milling cutters are of cylindrical shape, having teeth on the periphery and on one or both sides. Hand of Flute Helix: Milling cutters may have straight flutes, which means that their cutting edges are in planes parallel to the cutter axis. Milling cutters with flute helix in one direction only are described as having a right-hand helix if the flutes twist away from the observer in a clockwise direction when viewed from either end of the cutter or as having a left-hand helix if the flutes twist away from the observer in a counterclockwise direction when viewed from either end of the cutter. Staggered tooth cutters are milling cutters with every other flute of opposite (right- and left-hand) helix. An illustration describing the various milling cutter elements of both a profile cutter and a form-relieved cutter is given on page 876 .
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