Page 104 - Michigan Drill

Carbide Tipped Drills

High Speed Steel Body

Taper Length
HOLE MAKING Provides excellent wear resistance when cutting aluminum castings,
List No. CT840 – 118° Point
bronze, cast and ductile irons, fiberglass, hard plastics and other
non ferrous materials. NOT recommended for steel applications.

Flute
Decimal
Decimal
Price
Price
Flute
Size
Size
Each
Length
Each
Length
2-5/8
5-1/8
3/32 Equivalent Length Overall 24.34 33/64 Equivalent Length Overall 92.00
.0938
.5156
8
4-3/4
1/8 .1250 2-3/4 5-1/8 25.52 17/32 .5313 4-3/4 8 90.76
9/64 .1406 3 5-3/8 25.52 35/64 .5469 4-7/8 8-1/4 95.05
5/32 .1563 3 5-3/8 26.89 9/16 .5625 4-7/8 8-1/4 91.65
11/64 .1719 3-3/8 5-3/4 27.36 37/64 .5781 4-7/8 8-1/4 100.31
#13 .1850 3-3/8 5-3/4 27.36 19/32 .5938 4-7/8 8-3/4 98.55
3/16 .1875 3-3/8 5-3/4 27.36 39/64 .6094 4-7/8 8-3/4 115.56
#10 .1935 3-5/8 6 28.93 5/8 .6250 4-7/8 8-3/4 111.44
#7 .2010 3-5/8 6 28.93 41/64 .6406 5-1/8 8-3/4 119.88
13/64 .2031 3-5/8 6 28.93 21/32 .6563 5-1/8 9 115.60
7/32 .2188 3-5/8 6 28.93 43/64 .6719 5-3/8 9 121.94
15/64 .2344 3-3/4 6-1/8 33.27 11/16 .6875 5-3/8 9-1/4 117.59
C .2420 3-3/4 6-1/8 33.46 45/64 .7031 5-5/8 9-1/4 123.29
1/4 .2500 3-3/4 6-1/8 32.67 23/32 .7188 5-5/8 9-1/2 120.14
F .2570 3-7/8 6-1/4 34.34 47/64 .7344 5-7/8 9-1/2 125.34
17/64 .2656 3-7/8 6-1/4 37.34 3/4 .7500 5-7/8 9-3/4 122.79
9/32 .2813 3-7/8 6-1/4 36.65 49/64 .7656 6 9-3/4 138.09
L .2900 4 6-3/8 49.00 25/32 .7813 6 9-7/8 132.93
19/64 .2969 4 6-3/8 40.30 51/64 .7969 6-1/8 9-7/8 138.68
5/16 .3125 4 6-3/8 39.56 13/16 .8125 6-1/8 10 133.57
21/64 .3281 4-1/8 6-1/2 44.37 53/64 .8281 6-1/8 10 138.68
11/32 .3438 4-1/8 6-1/2 43.58 27/32 .8438 6-1/8 10 133.57
23/64 .3594 4-1/4 6-3/4 48.69 55/64 .8594 6-1/8 10 146.47
3/8 .3750 4-1/4 6-3/4 47.80 7/8 .8750 6-1/8 10 147.50
25/64 .3906 4-3/8 7 53.62 57/64 .8906 6-1/8 10 152.75
13/32 .4063 4-3/8 7 52.64 29/32 .9062 6-1/8 10 170.31
27/64 .4219 4-5/8 7-1/4 61.72 59/64 .9219 6-1/8 10-3/4 152.64
7/16 .4375 4-5/8 7-1/4 60.60 15/16 .9375 6-1/8 10-3/4 155.30
29/64 .4531 4-3/4 7-1/2 65.56 61/64 .9531 6-3/8 11 160.25
15/32 .4688 4-3/4 7-1/2 64.36 31/32 .9687 6-3/8 11 181.02
31/64 .4844 4-3/4 7-3/4 71.40 63/64 .9844 6-3/8 11 164.28
1/2 .5000 4-3/4 7-3/4 70.11 1 1.0000 6-3/8 11 167.58
Metric Sizes
Decimal Flute Overall Price Decimal Flute Overall Price
Size Size
Equivalent Length Length Each Equivalent Length Length Each
4.00 .1575 3 5-3/8 26.81 8.50 .3346 4-1/8 6-1/2 46.22
5.00 .1969 3-5/8 6 29.07 9.00 .3543 4-1/4 6-3/4 46.99
5.50 .2165 3-5/8 6 32.35 9.40 .3701 4 6-3/4 47.87
6.00 .2362 3-3/4 6-1/8 34.67 9.50 .3740 4-1/4 6-3/4 55.47
6.30 .2480 3-3/4 6-1/8 36.70 10.50 .4134 4-5/8 7-1/4 65.48
6.50 .2559 3-7/8 6-1/4 38.52 12.00 .4724 5-1/2 7-1/4 70.43
7.00 .2756 3-7/8 6-1/4 40.06 12.50 .4921 4-3/4 7-3/4 76.26
7.50 .2953 4 6-3/8 43.14 14.00 .5512 4-7/8 8-1/4 100.15
8.00 .3150 4-1/8 6-1/2 44.68 15.00 .5906 4-7/8 8-3/4 114.01
Sets
Description Sizes Pcs. Set No. Price

Jobber Length 1/8" to 1/2" by 32 nds 13 CT830SR 413.53
Jobber Length 1/8" to 1/2" by 64 ths 25 CT830SF 799.16
Taper Length 33/64" to 3/4" by 64 ths 14 CT840S 1692.53
Taper Shank 33/64" to 3/4" by 64 ths 14 CT820S 1735.45
All sets are supplied in metal index
102