CNC STUB REAMERS — CARBIDE TIPPED

LEFT SPIRAL FLUTES

TYPE 2440 — LEFT SPIRAL FLUTES

Flute long carbide tipped.
Polished flutes for high volume chip flow.
Flute long carbide on .2841" tool diameter and larger.
Straight shanks fit into standard holders.
Pin cross holes permit use in pin drive floating holders.
Carbide tips brazed to one piece hardened tool steel bodies.
Cutting diameter tolerance plus .0003" minus .0000".

OPTIONS

Decimal & metric sizes (priced as indicated in extended table below).
Cutting diameter reduced for small steps or pilot.
Radius end or end chamfer other than 45ยบ.
End cutting.
Semi-finished Type 2430 & Type 2440 in stock
Closer tolerance.
For +.0002" add $1.00 per tool.
For +.0001" add $3.00 per tool.


Below are the critical dimensions of our Stub Length Reamers. Please choose the Reamers that meets your tooling needs.
Tool
Diameter
Dimensions Type 2440
EDP NO.
Price Finished To Modified Tool Diameter
Diameter No. of Flutes Length Modified Diameter Range Price Each - Based on Quantity Ordered
Frac. Dec. Shank Pin Hole Flute Carbide Overall Low High 1 2 3 4 5-7 8-14*
   3/16  .1875    1/    3/32 4            1/  1/ 244006 $56.15  .1770  .2040 $97.30 $76.70 $69.75 $66.55 $62.95 $60.15
   7/32  .2188    1/    3/32 4            1/  1/ 244007 56.15  .2041  .2210 97.30 76.70 69.75 66.55 62.95 60.15
  15/64  .2344    1/    3/32 4            1/  1/ 24402344 56.15  .2211  .2380 97.30 76.70 69.75 66.55 62.95 60.15
   1/  .2500    1/    3/32 4            1/  1/ 244008 56.15  .2381  .2530 97.30 76.70 69.75 66.55 62.95 60.15
   9/32  .2813    3/    1/ 4            1/  1/ 244009 56.15  .2531  .2840 97.30 76.70 69.75 66.55 62.95 60.15
   5/16  .3125    3/    1/ 4                  1/ 244010 65.30  .2841  .3150 106.45 85.75 78.95 75.65 72.05 69.30
  11/32  .3438    3/    1/ 4  1/  1/  1/ 244011 65.75  .3151  .3470 107.05 86.45 79.50 76.30 72.65 69.90
   3/  .3750    3/    1/ 4  1/  1/  1/ 244012 71.40  .3471  .3780 112.65 92.00 85.10 81.70 78.20 75.40
  13/32  .4063    1/    3/16 4  1/  1/  1/ 244013 72.40  .3781  .4090 113.70 92.90 86.10 82.80 79.20 76.50
   7/16  .4375    1/    3/16 4  1/  1/  1/ 244014 85.70  .4091  .4410 127.00 106.35 99.35 96.10 92.60 89.85
  15/32  .4688    1/    3/16 4  1/  1/  1/ 244015 85.70  .4411  .4720 127.00 106.35 99.35 96.10 92.60 89.85
   1/  .5000    1/    3/16 4  1/  1/  1/ 244016 93.85  .4721  .5030 136.25 115.00 107.90 104.55 100.80 98.05
  17/32  .5313    5/    1/ 6  1/  1/         244017 93.85  .5031  .5340 136.25 115.00 107.90 104.55 100.80 98.05
   9/16  .5625    5/    1/ 6  1/  1/         244018 98.95  .5341  .5660 141.15 120.00 112.80 109.50 105.85 102.90
  19/32  .5938    5/    1/ 6  1/  1/         244019 98.95  .5661  .5970 141.15 120.00 112.80 109.50 105.85 102.90
   5/  .6250    5/    1/ 6  1/  1/         244020 101.50  .5971  .6280 143.90 122.70 115.55 112.10 108.50 105.70
  21/32  .6563    5/    1/ 6  1/  1/         244021 101.50  .6281  .6590 143.90 122.70 115.55 112.10 108.50 105.70
  11/16  .6875    5/    1/ 6  1/  1/         244022 106.25  .6591  .6910 148.55 127.40 120.30 116.85 113.25 110.40
  23/32  .7188    3/    5/16 6  1/  1/         244023 106.25  .6911  .7220 148.55 127.40 120.30 116.85 113.25 110.40
   3/  .7500    3/    5/16 6  1/  1/         244024 109.05  .7221  .7530 151.20 130.10 122.95 119.55 115.95 113.15
  25/32  .7813    3/    5/16 6  1/  1/         244025 109.05  .7531  .7840 151.20 130.10 122.95 119.55 115.95 113.15
  13/16  .8125    3/    5/16 6  1/  1/         244026 118.30  .7841  .8160 160.65 139.55 132.35 129.00 125.35 122.60
  27/32  .8438    3/    5/16 6  1/  1/         244027 118.30  .8161  .8470 160.65 139.55 132.35 129.00 125.35 122.60
   7/  .8750    3/    5/16 6  1/  1/         244028 129.35  .8471  .8780 173.30 151.15 143.80 140.30 136.55 133.60
  29/32  .9063    3/    5/16 6  1/  1/         244029 129.35  .8781  .9090 173.30 151.15 143.80 140.30 136.55 133.60
  15/16  .9375    3/    5/16 6  1/  1/         244030 142.40  .9091  .9410 186.30 164.40 157.00 153.45 149.75 146.75
  31/32  .9688    3/    5/16 8  1/  1/         244031 142.40  .9411  .9720 186.30 164.40 157.00 153.45 149.75 146.75
        1.0000    3/    5/16 8  1/  1/         244032 149.35  .9721 1.0030 193.35 171.40 163.95 160.50 156.65 153.75
 1/16 1.0625    3/    5/16 8  1/  1/         244034 149.35 1.0031 1.0660 193.35 171.40 163.95 160.50 156.65 153.75
 1/ 1.1250    3/    5/16 8  1/  1/         244036 174.90 1.0661 1.1280 218.85 196.70 189.40 186.00 182.15 179.15
 3/16 1.1875    3/    5/16 8  1/  1/         244038 182.30 1.1281 1.1905 226.35 204.30 196.85 193.35 189.65 186.60
 1/ 1.2500    3/    5/16 8  1/  1/         244040 213.55 1.1906 1.2530 257.60 235.55 228.25 224.65 220.95 217.95
 5/16 1.3125    3/    5/16 8  1/  1/         244042 213.55 1.2531 1.3155 257.60 235.55 228.25 224.65 220.95 217.95
 3/ 1.3750    3/    5/16 8  1/  1/         244044 216.65 1.3156 1.3780 260.60 238.55 231.35 227.70 224.10 221.10
 7/16 1.4375    3/    5/16 8  1/  1/         244046 252.55 1.3781 1.4405 296.60 274.50 267.20 263.65 259.90 257.00
 1/ 1.5000    3/    5/16 8  1/  1/         244048 303.30 1.4406 1.5030 347.25 325.35 317.95 314.45 310.55 307.60
* Quantities of 15 or more - price of fractional size in same size range
Don't see the Stub Length Reamers you need?
If the above dimensions do not meet your specific Stub Length Reamers needs we may be able to make modifications to one of the above Stub Length Reamers or we can quote a full special to your exact requirements. Simply click here to view and print our special tool quote form. Fill it out and fax (800-867-9312) it back to Rock River Tool. We will let you know how we will provide the Stub Length Reamers you requested.
Thank you for using Rock River Tool for your Stub Length Reamers needs.