Page 222 - Republic Drill

Hand Expansion Reamers

High Speed Steel

These reamers are used to enlarge holes by a few thousandths.
The pilots and guides of these reamers are ground under size to
allow smooth entrance. The spiral flute style is especially suited
REAMERS Fractional Size
for use in holes where the cut is interrupted by a longitudinal slot
or keyway.

Recommended Expansion Limits:
List No. 576 – Straight Flute Sizes 1/4 to 21/32 .010 Sizes 1-9/16 to 2 .017
.019
Sizes 2 to 3
Sizes 11/16 to 1
.013
List No. 577 – Left Hand Spiral Flute, Right Hand Cut Sizes 1-1/16 to 1-1/2 .015
Price Each Price Each
Dec. Flute Overall Straight Spiral Dec. Flute Overall Straight Spiral
Size Size
Equiv. Length Length 576 577 Equiv. Length Length 576 577
3/16 .1875 1-1/8 3-3/8 56.10 58.91 1-7/32 1.2188 4-3/8 9-3/4 185.00 195.00
7/32 .2188 1-3/16 3-1/2 56.10 58.91 1-1/4 1.2500 4-3/8 9-3/4 179.52 188.50
1/4 .2500 1-7/16 3-7/8 56.10 58.91 1-9/32 1.2813 4-1/2 10-1/8 210.00 220.00
9/32 .2813 1-3/4 4 57.42 60.71 1-5/16 1.3125 4-1/2 10-1/8 188.10 197.51
5/16 .3125 1-3/4 4 57.42 60.71 1-11/32 1.3438 4-9/16 10-1/2 210.00 220.00
11/32 .3438 1-3/4 4 65.67 66.61 1-3/8 1.3750 4-9/16 10-1/2 204.60 224.80
3/8 .3750 1-3/4 5 65.67 68.61 1-13/32 1.4062 4-3/4 10-7/8 235.00 250.00
13/32 .4062 1-3/4 5 67.52 70.88 1-7/16 1.4375 4-3/4 10-7/8 224.40 235.62
7/16 .4375 1-3/4 5 68.61 72.04 1-15/32 1.4688 4-13/16 11-1/8 257.40 261.00
15/32 .4688 1-13/16 5-1/2 69.60 73.08 1-1/2 1.5000 4-13/16 11-1/8 257.40 270.27
1/2 .5000 1-13/16 5-1/2 68.90 72.35 1-9/16 1.5625 4-13/16 11-1/4 271.26 290.00
13.00 .5118 1-13/16 5-1/2 90.00 –– 1-5/8 1.6250 4-7/8 11-1/2 278.52 292.45
17/32 .5312 2-1/8 6 73.06 76.72 1-11/16 1.6875 4-7/8 11-5/8 320.76 333.30
9/16 .5625 2-1/8 6 75.24 79.00 1-3/4 1.7500 5 11-7/8 320.76 336.80
19/32 .5938 2-1/2 6 79.90 84.00 1-13/16 1.8125 5 12-1/16 349.80 367.29
5/8 .6250 2-1/2 6 81.51 85.24 1-7/8 1.8750 5 12-1/4 349.80 367.29
21/32 .6563 2-1/2 6-1/4 89.00 95.00 1-15/16 1.9375 5 12-3/8 409.20 429.66
11/16 .6875 2-1/2 6-1/4 93.06 97.71 2 2.0000 5 13-1/16 409.20 429.66
23/32 .7188 2-11/16 6-9/16 101.20 106.00 2-1/16 2.0625 5-1/8 13-1/4 998.00 ––
3/4 .7500 2-11/16 7-1/16 102.96 108.11 2-1/8 2.1250 5-1/8 13-1/4 1050.00 1090.00
25/32 .7813 3-1/16 7-1/16 115.83 121.62 2-3/16 2.1875 5-1/8 13-1/2 1078.00 ––
13/16 .8125 3-1/16 7-1/16 115.83 121.62 2-1/4 2.2500 5-1/8 13-1/2 1100.00 1144.00
27/32 .8438 3-5/16 7-1/2 124.74 130.98 2-5/16 2.3125 5-1/4 14 1125.00 ––
7/8 .8750 3-5/16 7-1/2 124.74 130.98 2-3/8 2.3750 5-1/4 14 1150.00 1200.00
29/32 .9063 3-9/16 7-7/8 142.56 149.69 2-7/16 2.4375 5-3/8 14-1/2 1172.00 1220.00
15/16 .9375 3-9/16 8-3/8 142.56 149.69 2-1/2 2.5000 5-3/8 14-1/2 1190.00 1249.00
31/32 .9688 3-3/4 8-3/8 151.80 159.39 2-9/16 2.5625 5-1/2 15 1200.00 ––
1 1.0000 3-3/4 8-7/8 151.80 159.39 2-5/8 2.6250 5-1/2 15 1225.00 ––
1-1/32 1.0313 4 8-11/16 158.40 166.32 2-11/16 2.6875 5-3/4 15-1/2 1250.00 ––
1-1/16 1.0625 4 8-11/16 158.40 166.32 2-3/4 2.7500 5-3/4 15-1/2 1300.00 ––
1-3/32 1.0938 4-1/8 9 171.60 180.18 2-13/16 2.8125 5-3/4 15-1/2 1300.00 ––
1-1/8 1.1250 4-1/8 9 171.60 180.18 2-7/8 2.8750 5-3/4 15-1/2 1350.00 ––
1-5/32 1.1563 4-1/4 9-3/8 180.00 183.65 2-15/16 2.9375 6 16-1/2 1400.00 ––
1-3/16 1.1875 4-1/4 9-3/8 174.90 183.65 3 3.0000 6 16-1/2 1500.00 ––

Metric Sizes List No. 576M – Straight Shank, Straight Flute

Dec.
Flute
Dec.
Flute
Size Equiv. Length Overall Price Size Equiv. Length Overall Price
Length
Each
Length
Each
9.00 .3543 1-3/4 4 85.00 37.00 1.4567 5-9/16 11-3/16 265.00
13.00 .5118 1-13/16 5-1/2 90.00 41.00 1.6142 6 12 288.00
21.00 .8268 3-1/4 8-1/2 189.00 43.00 1.6929 6 12 333.90
29.00 1.1417 4-1/2 9-3/4 196.00 46.00 1.8110 6-7/16 12-13/16 365.93
31.00 1.2205 5-1/2 10-7/16 204.50 47.00 1.8504 6-7/8 13-5/8 388.00
33.00 1.2992 5-9/16 1-13/16 210.00 49.00 1.9291 6-7/8 13-5/8 414.00
Sets
Sizes Description Pcs. Set No. Price
1/4, 3/8, 1/2, 5/8, 3/4 Straight Flute Set 5 576S 381.81
1/4, 3/8, 1/2, 5/8, 3/4 Spiral Flute Set 5 577S 399.89
All sets are supplied in wood block
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