Page 44 - Michigan Drill

Screw Machine Length Drills

High Speed Steel
Screw machine drills are popular in the automotive and
construction industries. Their short flute and overall length
HOLE MAKING List No. 600 – Bright Finish, 118° Point Up to 1" inclusive Same as Drill Diameter
provide maximum rigidity. They are often used in a screw
machine set-up where spindle clearance is limited.
Shank Diameter
Drill Size
List No. 600A – Oxide Finish, 135° Split Point (NAS 907 Type C)
Over 1 to 1-1/4 inclusive
1"
List No. 600J – Oxide Finish, 118° Point
Over 1-1/4 to 1-1/2 inclusive
1-1/4
Over 1-1/2 to 2-1/2 inclusive
1-1/2
Fractional Sizes
Price Each
118° Price Each 118° 118° 118°
135°
Size Dec. Flute Overall Pkg. Bright Oxide Oxide Size Dec. Flute Overall Bright Oxide
Equiv. Length Length Qty. Equiv. Length Length
600 600A 600J 600 600J
3/64 .0469 1/2 1-3/8 12 1.14 1.32* 1.14 31/32 .9688 3-7/8 5-7/8 44.66 44.66
1/16 .0625 5/8 1-5/8 12 1.06 1.18 1.06 63/64 .9844 4 6 48.06 48.06
5/64 .0781 11/16 1-11/16 12 1.06 1.18 1.06 1 1.0000 4 6 46.34 46.34
3/32 .0938 3/4 1-3/4 12 1.06 1.18 1.06 1-1/64 1.0156 4 6-1/4 79.20 79.20
7/64 .1094 13/16 1-13/16 12 1.06 1.18 1.06 1-1/32 1.0312 4 6-1/4 79.20 79.20
1/8 .1250 7/8 1-7/8 12 1.06 1.18 1.06 1-3/64 1.0469 4 6-1/4 86.13 86.13
9/64 .1406 15/16 1-15/16 12 1.06 1.18 1.06 1-1/16 1.0625 4 6-1/4 57.81 57.81
5/32 .1562 1 2-1/16 12 1.21 1.27 1.21 1-5/64 1.0781 4 6-3/8 95.70 95.70
11/64 .1719 1-1/16 2-1/8 12 1.30 1.52 1.30 1-3/32 1.0938 4 6-3/8 95.70 95.70
3/16 .1875 1-1/8 2-3/16 12 1.33 1.52 1.33 1-7/64 1.1094 4 6-3/8 97.68 97.68
13/64 .2031 1-3/16 2-1/4 12 1.49 1.58 1.49 1-1/8 1.1250 4 6-3/8 65.50 65.50
7/32 .2188 1-1/4 2-3/8 12 1.73 1.95 1.73 1-9/64 1.1406 4 6-5/8 99.66 99.66
15/64 .2344 1-5/16 2-7/16 12 1.80 1.98 1.80 1-5/32 1.1562 4-1/4 6-5/8 105.47 105.47
1/4 .2500 1-3/8 2-1/2 12 2.01 2.10 2.01 1-11/64 1.1719 4-1/4 6-5/8 108.50 108.50
17/64 .2656 1-7/16 2-5/8 12 2.19 2.44 2.19 1-3/16 1.1875 4-1/4 6-5/8 75.90 75.90
9/32 .2812 1-1/2 2-11/16 6 2.32 2.74 2.32 1-13/64 1.2031 4-3/8 6-3/4 116.64 116.64
19/64 .2969 1-9/16 2-3/4 6 2.54 2.90 2.54 1-7/32 1.2188 4-3/8 6-3/4 116.64 116.64
5/16 .3125 1-5/8 2-13/16 6 2.74 3.30 2.74 1-15/64 1.2344 4-3/8 6-3/4 122.10 122.10
21/64 .3281 1-11/16 2-15/16 6 3.03 3.35 3.03 1-1/4 1.2500 4-3/8 6-3/4 83.09 83.09
11/32 .3438 1-11/16 3 6 3.40 3.76 3.40 1-17/64 1.2656 4-3/8 7 132.76 132.76
23/64 .3594 1-3/4 3-1/16 6 3.97 4.35 3.97 1-9/32 1.2812 4-3/8 7 132.76 132.76
3/8 .3750 1-13/16 3-1/8 6 4.13 4.53 4.13 1-19/64 1.2969 4-3/8 7 141.90 141.90
25/64 .3906 1-7/8 3-1/4 6 4.59 5.13 4.59 1-5/16 1.3125 4-3/8 7 118.80 118.80
13/32 .4062 1-15/16 3-5/16 6 4.80 5.51 4.80 1-21/64 1.3281 4-1/2 7-1/8 158.40 158.40
27/64 .4219 2 3-3/8 6 5.27 5.94 5.27 1-11/32 1.3438 4-1/2 7-1/8 162.76 162.76
7/16 .4375 2-1/16 3-7/16 6 5.35 6.20 5.35 1-23/64 1.3594 4-1/2 7-1/8 168.30 168.30
29/64 .4531 2-1/8 3-9/16 6 6.43 7.26 6.43 1-3/8 1.3750 4-1/2 7-1/8 126.03 126.03
15/32 .4688 2-1/8 3-5/8 6 6.71 7.55 6.71 1-25/64 1.3906 4-3/4 7-3/8 174.24 174.24
31/64 .4844 2-3/16 3-11/16 6 7.05 8.42 7.05 1-13/32 1.4062 4-3/4 7-3/8 174.24 174.24
1/2 .5000 2-1/4 3-3/4 6 6.92 8.42 6.92 1-27/64 1.4219 4-3/4 7-3/8 244.20 244.20
33/64 .5156 2-3/8 3-7/8 1 15.50 — 15.50 1-7/16 1.4375 4-3/4 7-3/8 135.81 135.81
17/32 .5312 2-3/8 3-7/8 1 15.93 19.01 15.93 1-29/64 1.4531 4-7/8 7-1/2 180.84 180.84
35/64 .5469 2-1/2 4 1 16.91 — 16.91 1-15/32 1.4688 4-7/8 7-1/2 180.84 180.84
9/16 .5625 2-1/2 4 1 16.60 19.73 16.60 1-31/64 1.4844 4-7/8 7-1/2 184.80 184.80
37/64 .5781 2-5/8 4-1/8 1 19.37 — 19.37 1-1/2 1.5000 4-7/8 7-1/2 140.25 140.25
19/32 .5938 2-5/8 4-1/8 1 19.00 22.51 19.00 1-17/32 1.5312 4-7/8 7-3/4 191.40 191.40
39/64 .6094 2-3/4 4-1/4 1 19.52 — 19.52 1-9/16 1.5625 4-7/8 7-3/4 158.40 158.40
5/8 .6250 2-3/4 4-1/4 1 19.18 23.69 19.18 1-19/32 1.5938 4-7/8 7-3/4 241.36 241.36
41/64 .6406 2-7/8 4-1/2 1 22.43 — 22.43 1-5/8 1.6250 4-7/8 7-3/4 178.53 178.53
21/32 .6562 2-7/8 4-1/2 1 22.02 29.01 22.02 1-21/32 1.6562 5-1/8 8 257.40 257.40
43/64 .6719 2-7/8 4-5/8 1 24.88 — 24.88 1-11/16 1.6875 5-1/8 8 205.00 205.00
11/16 .6875 2-7/8 4-5/8 1 24.42 29.01 24.42 1-23/32 1.7188 5-1/8 8 270.60 270.60
45/64 .7031 3 4-3/4 1 27.74 — 27.74 1-3/4 1.7500 5-1/8 8 211.20 211.20
23/32 .7188 3 4-3/4 1 26.75 29.70 26.75 1-25/32 1.7812 5-3/8 8-1/4 290.40 290.40
47/64 .7344 3-1/8 5 1 29.28 — 29.28 1-13/16 1.8125 5-3/8 8-1/4 231.00 231.00
3/4 .7500 3-1/8 5 1 28.23 32.93 28.23 1-27/32 1.8438 5-3/8 8-1/4 313.61 313.61
49/64 .7656 3-1/4 5-1/8 1 32.24 –– 32.24 1-7/8 1.8750 5-3/8 8-1/4 237.93 237.93
25/32 .7812 3-1/4 5-1/8 1 31.08 –– 31.08 1-29/32 1.9062 5-5/8 8-1/2 317.13 317.13
51/64 .7969 3-3/8 5-1/4 1 33.93 –– 33.93 1-15/16 1.9375 5-5/8 8-1/2 254.10 254.10
13/16 .8125 3-3/8 5-1/4 1 32.72 –– 32.72 1-31/32 1.9688 5-5/8 8-1/2 323.40 323.40
53/64 .8281 3-1/2 5-3/8 1 35.93 –– 35.93 2 2.0000 5-5/8 8-1/2 263.67 263.67
27/32 .8438 3-1/2 5-3/8 1 34.64 –– 34.64 2-1/16 2.0625 5-5/8 8-1/2 316.80 316.80
55/64 .8594 3-1/2 5-1/2 1 37.21 46.51 37.21 2-1/8 2.1250 5-5/8 8-1/2 326.70 326.70
7/8 .8750 3-1/2 5-1/2 1 35.88 –– 35.88 2-3/16 2.1875 5-5/8 8-1/2 348.48 348.48
57/64 .8906 3-5/8 5-5/8 1 38.64 –– 38.64 2-1/4 2.2500 5-5/8 8-1/2 376.20 376.20
29/32 .9062 3-5/8 5-5/8 1 37.26 –– 37.26 2-5/16 2.3125 5-5/8 8-1/2 402.60 402.60
59/64 .9219 3-3/4 5-3/4 1 42.59 –– 42.59 2-3/8 2.3750 5-5/8 8-1/2 408.54 408.54
15/16 .9375 3-3/4 5-3/4 1 41.07 –– 41.07 2-7/16 2.4375 5-5/8 8-1/2 495.00 495.00
61/64 .9531 3-7/8 5-7/8 1 46.32 –– 46.32 2-1/2 2.5000 5-5/8 8-1/2 537.24 537.24
* 3/64 furnished with 135° point — NOT split.
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