Page 33 - Michigan Drill

Slow Spiral Jobber Length Drills

High Speed Steel
List No. 300L – Bright Finish, 118° Point
Slow spiral drills are designed for applications in brass,
fiberglass, hard rubber and plastics. The open flute design
allows the greatest volume of chip removal with high feed
rates. They are also successfully used in shallow hole drilling
of aluminum and magnesium alloys and die cast parts. HOLE MAKING
Wire Gauge Sizes
Package Quantity: 12 drills

Size Decimal Flute Overall Price Size Decimal Flute Overall Price
Equivalent Length Length Each Equivalent Length Length Each
1 .2280 2-5/8 3-7/8 4.49 41 .0960 1-3/8 2-3/8 2.14
2 .2210 2-5/8 3-7/8 4.49 42 .0935 1-1/4 2-1/4 2.14
3 .2130 2-1/2 3-3/4 4.49 43 .0890 1-1/4 2-1/4 2.14
4 .2090 2-1/2 3-3/4 4.36 44 .0860 1-1/8 2-1/8 2.14
5 .2055 2-1/2 3-3/4 4.36 45 .0820 1-1/8 2-1/8 2.14
6 .2040 2-1/2 3-3/4 4.36 46 .0810 1-1/8 2-1/8 2.14
7 .2010 2-7/16 3-5/8 3.95 47 .0785 1 2 2.14
8 .1990 2-7/16 3-5/8 3.95 48 .0760 1 2 2.14
9 .1960 2-7/16 3-5/8 3.95 49 .0730 1 2 2.14
10 .1935 2-7/16 3-5/8 3.95 50 .0700 1 2 2.14
11 .1910 2-5/16 3-1/2 3.95 51 .0670 1 2 2.14
12 .1890 2-5/16 3-1/2 3.95 52 .0635 7/8 1-7/8 2.14
13 .1850 2-5/16 3-1/2 3.56 53 .0595 7/8 1-7/8 2.14
14 .1820 2-3/16 3-3/8 3.56 54 .0550 7/8 1-7/8 2.14
15 .1800 2-3/16 3-3/8 3.56 55 .0520 7/8 1-7/8 2.14
16 .1770 2-3/16 3-3/8 3.56 56 .0465 3/4 1-3/4 2.26
17 .1730 2-3/16 3-3/8 3.56 57 .0430 3/4 1-3/4 2.26
18 .1695 2-1/8 3-1/4 3.56 58 .0420 11/16 1-5/8 2.26
19 .1660 2-1/8 3-1/4 2.94 59 .0410 11/16 1-5/8 2.26
20 .1610 2-1/8 3-1/4 2.94 60 .0400 11/16 1-5/8 2.26
21 .1590 2-1/8 3-1/4 2.94 61 .0390 11/16 1-5/8 2.81
22 .1570 2 3-1/8 2.94 62 .0380 5/8 1-1/2 2.81
23 .1540 2 3-1/8 2.77 63 .0370 5/8 1-1/2 2.81
24 .1520 2 3-1/8 2.77 64 .0360 5/8 1-1/2 2.81
25 .1495 1-7/8 3 2.77 65 .0350 5/8 1-1/2 2.81
26 .1470 1-7/8 3 2.77 66 .0330 1/2 1-3/8 2.81
27 .1440 1-7/8 3 2.77 67 .0320 1/2 1-3/8 2.81
28 .1405 1-3/4 2-7/8 2.31 68 .0310 1/2 1-3/8 2.81
29 .1360 1-3/4 2-7/8 2.14 69 .0292 1/2 1-3/8 2.96
30 .1285 1-5/8 2-3/4 2.14 70 .0280 3/8 1-1/4 2.96
31 .1200 1-5/8 2-3/4 2.14 71 .0260 3/8 1-1/4 3.63
32 .1160 1-5/8 2-3/4 2.14 72 .0250 5/16 1-1/8 3.63
33 .1130 1-1/2 2-5/8 2.14 73 .0240 5/16 1-1/8 3.63
34 .1110 1-1/2 2-5/8 2.14 74 .0225 1/4 1 3.63
35 .1100 1-1/2 2-5/8 2.14 75 .0210 1/4 1 3.63
36 .1065 1-7/16 2-1/2 2.14 76 .0200 3/16 7/8 3.63
37 .1040 1-7/16 2-1/2 2.14 77 .0180 3/16 7/8 3.63
38 .1015 1-7/16 2-1/2 2.14 78 .0160 3/16 7/8 3.63
39 .0995 1-3/8 2-3/8 2.14 79 .0145 1/8 3/4 4.22
40 .0980 1-3/8 2-3/8 2.14 80 .0135 1/8 3/4 4.22

Drill Gauge
• Made of heavy gage carbon steel. Wire Gauge
• Hole sizes and decimal equivalents • Popular gage for iron wire, hot and cold
permanently etched. rolled sheet steel.
• Made from bright finished and polished
Tool No. For Drill Sizes Price hardened stainless steel.
• Gauge have a convenient
CZG26 A – Z 8.50 decimal equivalent of each number.
CZG60 1 – 60 12.00 • Clear permanently etched graduations in USA Standard.
CZG29 1/16 – 1/2 by 64 ths 8.50
CZGSET Set of above 3 29.00 Order No. Description Price
CZG30 1/2 – 1" by 64 ths 22.00 PR1660400 Rectangular 20.80
CZGM25 1 mm - 13mm 8.50 PR1660300 Round 20.80
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