• Made from long-lasting M-7 tool steel
• The left hand spiral, right hand cut design prevents chips from drawing into cut
• Choice reamer flute diameters, OD relief, and chamfer relief are all ground between
carbide lapped centers. This provides:
• Consistent margin widths
• Concentricity between chamfer and OD
• The capacity to resharpen between centers
Nominal
All
5/64
5/64,
7/64
7/64,
1/8
1/8,
9/64
9/64,
5/32
5/32,
11/64
11/64,
3/16
3/16,
13/64
13/64,
7/32
7/32,
15/64
15/64,
1/4
1/4,
17/64
17/64,
9/32
9/32,
19/64
19/64,
5/16
5/16,
21/64
21/64,
11/32
11/32,
23/64
23/64,
3/8
3/8,
13/32
13/32,
7/16
7/16,
15/32
15/32,
1/2
1/2,
9/16
9/16,
5/8
5/8,
11/16
11/16,
3/4
3/4,
7/8
7/8,
1
1,
Diameter
N
All
.0781
.0781,
.1094
.1094,
.1250
.1250,
.1406
.1406,
.1562
.1562,
.1719
.1719,
.1875
.1875,
.2031
.2031,
.2188
.2188,
.2344
.2344,
.2500
.2500,
.2656
.2656,
.2812
.2812,
.2969
.2969,
.3125
.3125,
.3281
.3281,
.3438
.3438,
.3594
.3594,
.3750
.3750,
.4062
.4062,
.4375
.4375,
.4688
.4688,
.5000
.5000,
.5625
.5625,
.6250
.6250,
.6875
.6875,
.7500
.7500,
.8750
.8750,
1.0000
1.0000,
Flute Length
F
All
3/4
3/4,
7/8
7/8,
1
1,
1-1/8
1-1/8,
1-1/4
1-1/4,
1-1/2
1-1/2,
1-3/4
1-3/4,
2
2,
2-1/4
2-1/4,
2-1/2
2-1/2,
2-5/8
2-5/8,
2-3/4
2-3/4,
Overall Length
L
All
3
3,
3-1/2
3-1/2,
4
4,
4-1/2
4-1/2,
5
5,
6
6,
7
7,
8
8,
9
9,
9-1/2
9-1/2,
10
10,
10-1/2
10-1/2,
Shank Diameter
D
All
.0720
.0720,
.1030
.1030,
.1190
.1190,
.1350
.1350,
.1510
.1510,
.1645
.1645,
.1805
.1805,
.1945
.1945,
.2075
.2075,
.2265
.2265,
.2405
.2405,
.2485
.2485,
.2792
.2792,
.3105
.3105,
.3730
.3730,
.4355
.4355,
.5620
.5620,
.6245
.6245,
.7495
.7495,
.8745
.8745,
No. of Flutes
All
4
4,
6
6,
8
8,
10
10,
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