Page 113 - Michigan Drill

Solid Carbide Drills

Screw Machine Length
List No. C600 – 118° Point
Letter Sizes HOLE MAKING

Decimal
Flute
Decimal
Flute
Size Equivalent Length Overall Price Size Equivalent Length Overall Price
Length
Each
Length
Each
A .2340 1-5/16 2-7/16 33.00 N .3020 1-5/8 2-13/16 53.02
B .2380 1-3/8 2-1/2 34.61 O .3160 1-11/16 2-15/16 54.63
C .2420 1-3/8 2-1/2 34.88 P .3230 1-11/16 2-15/16 55.17
D .2460 1-3/8 2-1/2 34.88 Q .3320 1-11/16 3 57.22
E .2500 1-3/8 2-1/2 29.97 R .3390 1-11/16 3 58.83
F .2570 1-7/16 2-5/8 40.72 S .3480 1-3/4 3-1/16 61.92
G .2610 1-7/16 2-5/8 42.74 T .3580 1-3/4 3-1/16 68.17
H .2660 1-1/2 2-11/16 43.81 U .3680 1-13/16 3-1/8 71.13
I .2720 1-1/2 2-11/16 43.81 V .3770 1-7/8 3-1/4 72.21
J .2770 1-1/2 2-11/16 44.52 W .3860 1-15/16 3-1/4 73.99
K .2810 1-1/2 2-11/16 49.39 X .3970 1-15/16 3-5/16 80.47
L .2900 1-9/16 2-3/4 51.11 Y .4040 1-15/16 3-5/16 88.44
M .2950 1-9/16 2-3/4 52.21 Z .4130 2 3-3/8 90.89
Straight Flute
List No. C801 – 140° Split Point
Designed for drilling hardened, treated and abrasive materials.
These drills penetrate most work pieces easily with minimal deflection.

Fractional Sizes

Size Decimal Flute Overall Price Size Decimal Flute Overall Price
Equivalent Length Length Each Equivalent Length Length Each
3/64 .0469 1/2 1-1/2 9.36 9/32 .2812 1-1/2 2-11/16 37.84
1/16 .0625 5/8 1-5/8 10.80 19/64 .2969 1-9/16 2-3/4 41.90
5/64 .0781 11/16 1-11/16 10.80 5/16 .3125 1-5/8 2-13/16 37.84
3/32 .0938 3/4 1-3/4 11.56 21/64 .3281 1-11/16 2-15/16 46.30
7/64 .1094 13/16 1-13/16 12.06 11/32 .3438 1-11/16 3 51.46
1/8 .1250 7/8 1-7/8 12.38 23/64 .3594 1-3/4 3-1/16 57.60
9/64 .1406 15/16 1-15/16 14.30 3/8 .3750 1-13/16 3-1/8 47.26
5/32 .1562 1 2-1/16 15.40 25/64 .3906 1-7/8 3-1/4 65.98
11/64 .1719 1-1/16 2-1/8 19.36 13/32 .4062 1-15/16 3-5/16 72.88
3/16 .1875 1-1/8 2-3/16 20.12 27/64 .4219 2 3-3/8 80.26
13/64 .2031 1-3/16 2-1/4 21.76 7/16 .4375 2-1/16 3-7/16 75.54
7/32 .2188 1-1/4 2-3/8 21.76 29/64 .4531 2-1/8 3-9/16 97.08
15/64 .2344 1-5/16 2-7/16 29.48 15/32 .4688 2-1/8 3-5/8 101.88
1/4 .2500 1-3/8 2-1/2 24.86 31/64 .4844 2-3/16 3-11/16 101.88
17/64 .2656 1-7/16 2-5/8 35.20 1/2 .5000 2-1/4 3-3/4 92.70
Letter Sizes

Decimal
Flute
Flute
Decimal
Size Equivalent Length Overall Price Size Equivalent Length Overall Price
Each
Length
Each
Length
A .2340 1-5/16 2-7/16 27.55 N .3020 1-5/8 2-13/16 43.34
B .2380 1-3/8 2-1/2 29.46 O .3160 1-11/16 2-15/16 47.82
C .2420 1-3/8 2-1/2 29.57 P .3230 1-11/16 2-15/16 47.82
D .2461 1-3/8 2-1/2 29.90 Q .3320 1-11/16 3 49.28
E .2500 1-3/8 2-1/2 24.86 R .3390 1-11/16 3 52.30
F .2570 1-7/16 2-5/8 38.86 S .3480 1-3/4 3-1/16 54.10
G .2610 1-7/16 2-5/8 39.42 T .3580 1-3/4 3-1/16 57.57
H .2660 1-1/2 2-11/16 41.89 U .3680 1-3/4 3-1/16 59.81
I .2720 1-1/2 2-11/16 41.89 V .3770 1-7/8 3-1/4 64.29
J .2770 1-1/2 2-11/16 41.89 W .3860 1-7/8 3-1/4 65.74
K .2810 1-1/2 2-11/16 41.89 X .3970 1-15/16 3-5/16 77.28
L .2900 1-9/16 2-3/4 43.34 Y .4040 1-15/16 3-5/16 77.50
M .2950 1-9/16 2-3/4 43.34 Z .4130 2 3-3/8 78.40
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