Page 57 - Michigan Drill
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Taper Length Drills
High Speed, Cobalt & TiAlN Coated
Used in production drilling, these drills have the
same flute length as Taper Shank drills.
List No. 400 – High Speed Steel, 118° Point.
List No. 410C – Super Cobalt, HD, 135° Split Point
List No. 410CTA – TiAlN Coated Cobalt, HD, 135° Split Point HOLE MAKING
Wire Gauge Sizes
Package Quantity: 12 drills Price Each Price Each
Dec. Flute Overall H.S. Cobalt TiAlN Dec. Flute Overall H.S. Cobalt TiAlN
Size Size
Equiv. Length Length 400 410C 410CTA Equiv. Length Length 400 410C 410CTA
1 .2280 3-3/4 6-1/8 9.17 21.38 30.84 41 .0960 2-1/2 4-5/8 6.34 15.03 19.31
2 .2210 3-3/4 6-1/8 9.17 21.38 30.84 42 .0935 2-1/4 4-1/4 4.95 15.03 19.31
3 .2130 3-5/8 6 9.17 21.38 30.84 43 .0890 2-1/4 4-1/4 4.95 15.03 19.31
4 .2090 3-5/8 6 9.17 21.38 30.84 44 .0860 2-1/4 4-1/4 4.95 15.03 19.31
5 .2055 3-5/8 6 9.17 21.38 30.84 45 .0820 2-1/4 4-1/4 4.95 15.03 19.31
6 .2040 3-5/8 6 9.17 21.38 30.84 46 .0810 2-1/4 4-1/4 4.95 15.03 19.31
7 .2010 3-5/8 6 8.71 19.98 29.20 47 .0785 2-1/4 4-1/4 4.95 15.03 19.31
8 .1990 3-5/8 6 8.71 19.62 28.78 48 .0760 2 3-3/4 5.40 13.35 18.10
9 .1960 3-5/8 6 8.71 19.62 28.78 49 .0730 2 3-3/4 5.40 13.35 18.10
10 .1935 3-5/8 6 8.71 19.62 28.78 50 .0700 2 3-3/4 5.40 13.35 18.10
11 .1910 3-5/8 6 8.71 19.62 28.78 51 .0670 2 3-3/4 5.40 13.35 18.10
12 .1890 3-5/8 6 8.71 19.62 25.90 52 .0635 2 3-3/4 5.40 13.35 18.10
13 .1850 3-3/8 5-3/4 8.25 19.62 25.90 53 .0595 1-3/4 3 5.40 13.35 18.10
14 .1820 3-3/8 5-3/4 8.25 19.62 25.90 54 .0550 1-3/4 3 5.40 13.35 18.10
15 .1800 3-3/8 5-3/4 8.25 19.62 25.90 55 .0520 1-3/4 3 5.40 13.35 18.10
16 .1770 3-3/8 5-3/4 8.25 18.36 24.43 56 .0465 1-1/8 2-1/4 5.40 13.35 18.10
17 .1730 3-3/8 5-3/4 8.25 18.36 24.43 57 .0430 1-1/8 2-1/4 5.40 13.35 18.10
18 .1695 3-3/8 5-3/4 8.25 18.36 24.43 58 .0420 1-1/8 2-1/4 5.40 13.35 18.10
19 .1660 3-3/8 5-3/4 8.25 18.36 24.43 59 .0410 1-1/8 2-1/4 5.40 13.35 18.10
20 .1610 3-3/8 5-3/4 8.25 18.36 24.43 60 .0400 1-1/8 2-1/4 5.40 13.35 18.10
21 .1590 3-3/8 5-3/4 8.25 18.36 24.43 61 .0390 1-1/8 2-1/4 5.40 –– ––
22 .1570 3-3/8 5-3/4 8.25 18.36 24.43 62 .0380 3/4 2 5.40 –– ––
23 .1540 3 5-3/8 8.25 18.36 24.43 63 .0370 3/4 2 5.40 –– ––
24 .1520 3 5-3/8 8.25 18.36 24.43 64 .0360 3/4 2 5.40 –– ––
25 .1495 3 5-3/8 7.82 18.36 24.43 65 .0350 3/4 2 5.40 –– ––
26 .1470 3 5-3/8 7.82 18.36 24.43 66 .0330 3/4 2 5.40 –– ––
27 .1440 3 5-3/8 7.82 18.36 24.43 67 .0320 3/4 2 5.40 –– ––
28 .1405 3 5-3/8 7.82 17.55 23.48 68 .0310 3/4 2 5.40 15.48 ––
29 .1360 3 5-3/8 7.82 17.55 23.48 69 .0292 3/4 2 5.40 15.48 ––
30 .1285 3 5-3/8 7.89 17.55 23.48 70 .0280 3/4 2 5.40 15.48 ––
31 .1200 2-3/4 5-1/8 7.89 17.55 23.48 71 .0260 3/4 2 5.40 –– ––
32 .1160 2-3/4 5-1/8 7.89 17.55 23.48 72 .0250 5/16 1-1/2 5.40 –– ––
33 .1130 2-3/4 5-1/8 7.89 17.55 23.48 73 .0240 5/16 1-1/2 5.40 –– ––
34 .1110 2-3/4 5-1/8 7.89 17.55 23.48 74 .0225 5/16 1-1/2 5.40 –– ––
35 .1100 2-3/4 5-1/8 7.89 17.55 23.48 75 .0210 5/16 1-1/2 5.40 –– ––
36 .1065 2-1/2 4-5/8 6.34 16.07 21.75 76 .0200 5/16 1-1/2 5.61 –– ––
37 .1040 2-1/2 4-5/8 6.34 16.07 21.75 77 .0180 5/16 1-1/2 5.61 –– ––
38 .1015 2-1/2 4-5/8 6.34 16.07 21.75 78 .0160 5/16 1-1/2 5.61 15.48 ––
39 .0995 2-1/2 4-5/8 6.34 16.07 21.75 79 .0145 5/16 1-1/2 5.61 15.48 ––
40 .0980 2-1/2 4-5/8 6.34 15.03 19.31 80 .0135 5/16 1-1/2 5.61 15.48 ––
Sizes with decimal equivalent smaller than .0625 are not split point.
Sets
Sizes Description Pcs. Set No. Price
1/16 – 1/2 by 64 ths Fractional H.S. 29 407F 252.20
1/16 – 1/2 by 64 ths Fractional Cobalt 29 407CF 661.39
33/64 – 3/4 by 64 ths Fractional H.S. 16 407B 546.92
49/64 – 1 by 64 ths Fractional H.S. 16 407C 978.07
A – Z Letter H.S. 26 407L 361.90
1 – 60 Wire Gauge H.S. 60 407W 461.82
All sets are supplied in Huot metal index
Continued on Next Page
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