Page 217 - Republic Drill

Shell Reamers

High Speed Steel
To be used with shell reamer arbors, listed below.
One size arbor fits a range of sizes.

List No. 560 – Straight Flute
List No. 561 – Left Hand Spiral Flute, Right Hand Cut REAMERS

Decimal Overall Hole Straight Spiral Decimal Overall Hole Straight Spiral
Size Size
Equivalent Length Diameter 560 561 Equivalent Length Diameter 560 561
3/4 .7500 2-1/4 3/8 61.38 70.62 2 2.0000 3-1/2 1 190.58 224.19
13/16 .8125 2-1/2 1/2 64.15 73.92 2-1/16 2.0625 3-3/4 1-1/4 202.08 244.77
27/32 .8437 2-1/2 1/2 — 75.90 2-1/8 2.1250 3-3/4 1-1/4 218.02 256.63
7/8 .8750 2-1/2 1/2 65.34 75.90 2-3/16 2.1875 3-3/4 1-1/4 229.22 273.11
29/32 .9062 2-1/2 1/2 72.27 — 2-1/4 2.2500 3-3/4 1-1/4 239.30 280.67
15/16 .9375 2-1/2 1/2 67.65 78.54 2-5/16 2.3125 3-3/4 1-1/4 246.02 304.92
1 1.0000 2-1/2 1/2 69.30 80.75 2-3/8 2.3750 3-3/4 1-1/4 251.56 308.73
1-1/16 1.0625 2-3/4 5/8 75.04 86.79 2-7/16 2.4375 3-3/4 1-1/4 281.60 330.56
1-1/8 1.1250 2-3/4 5/8 79.58 90.42 2-1/2 2.5000 3-3/4 1-1/4 287.25 330.56
1-3/16 1.1875 2-3/4 5/8 82.50 94.05 2-9/16 2.5625 4 1-1/2 299.38 331.95
1-1/4 1.2500 2-3/4 5/8 83.82 97.65 2-5/8 2.6250 4 1-1/2 318.78 344.28
1-9/32 1.2812 3 5/8 96.23 — 2-11/16 2.6875 4 1-1/2 338.67 356.44
1-5/16 1.3125 3 3/4 88.84 101.84 2-3/4 2.7500 4 1-1/2 355.51 386.35
1-11/32 1.3437 3 3/4 103.62 — 2-13/16 2.8125 4 1-1/2 376.09 415.11
1-3/8 1.3750 3 3/4 94.55 107.98 2-7/8 2.8750 4 1-1/2 397.61 429.39
1-13/32 1.4062 3 3/4 108.60 — 2-15/16 2.9375 4 1-1/2 419.61 450.45
1-7/16 1.4375 3 3/4 103.82 114.18 3 3.0000 4 1-1/2 461.63 497.89
1-15/32 1.4687 3 3/4 112.05 — 3-1/16 3.0625 4-1/2 1-3/4 585.12 606.68
1-1/2 1.5000 3 3/4 105.27 120.71 3-1/8 3.1250 4-1/2 1-3/4 707.63 715.11
1-17/32 1.5312 3 3/4 122.05 142.28 3-3/16 3.1875 4-1/2 1-3/4 731.08 752.86
1-9/16 1.5625 3 3/4 116.24 135.30 3-1/4 3.2500 4-1/2 1-3/4 754.68 789.89
1-19/32 1.5937 3 3/4 128.70 — 3-5/16 3.3125 4-1/2 1-3/4 780.45 818.20
1-5/8 1.6250 3 3/4 124.31 147.61 3-3/8 3.3750 4-1/2 1-3/4 806.59 847.79
1-11/16 1.6875 3-1/2 1 136.55 162.10 3-7/16 3.4375 4-1/2 1-3/4 830.18 871.20
1-23/32 1.7188 3-1/2 1 152.11 180.08 3-1/2 3.5000 4-1/2 1-3/4 852.69 894.80
1-3/4 1.7500 3-1/2 1 144.87 171.44 3-9/16 3.5625 5 2 875.56 918.36
1-25/32 1.7812 3-1/2 1 168.30 — 3-5/8 3.6250 5 2 896.61 940.90
1-13/16 1.8125 3-1/2 1 154.44 183.66 3-11/16 3.6875 5 2 919.12 965.40
1-27/32 1.8437 3-1/2 1 178.20 — 3-3/4 3.7500 5 2 943.80 988.81
1-7/8 1.8750 3-1/2 1 164.67 194.70 3-13/16 3.8125 5 2 980.10 1025.84
1-29/32 1.9062 3-1/2 1 194.70 — 3-7/8 3.8750 5 2 1013.50 1063.59
1-15/16 1.9375 3-1/2 1 174.90 207.64 3-15/16 3.9375 5 2 1043.99 1096.99
1-31/32 1.9687 3-1/2 1 190.58 — 4 4.0000 5 2 1078.11 1130.38

Shell Reamer Arbors

Hardened & Ground
Straight Shank Taper Shank
Compatible Reamer Sizes Arbor Overall Shank Tool Price Morse Tool Price
Size
Smallest Largest Diameter Length Size No. Each Taper No. No. Each
4 21/32 25/32 3/8 9 1/2 SR4S 51.48 2 SR4T 61.38
5 13/16 1-1/32 1/2 9-1/2 5/8 SR5S 57.42 2 SR5T 73.26
6 1-1/16 1-9/32 5/8 10 3/4 SR6S 63.36 3 SR6T 79.20
7 1-5/16 1-5/8 3/4 11 7/8 SR7S 69.30 3 SR7T 87.12
8 1-21/32 2 1 12 1-1/8 SR8S 77.22 4 SR8T 97.02
9 2-1/16 2-1/2 1-1/4 13 1-3/8 SR9S 93.06 4 SR9T 108.90
10 2-9/16 3 1-1/2 14 1-5/8 SR10S 119.46 5 SR10T 124.74
11 3-1/16 3-1/2 1-3/4 15 2 SR11S 168.30 5 SR11T 174.90
12 3-9/16 4 2 16 2-1/8 SR12S 235.62 5 SR12T 243.54

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