COOLANT FEEDING REAMERS — CARBIDE TIPPED

FLUTE FEED FOR THROUGH HOLES - LEFT SPIRAL FLUTES

TYPE 2428 – COOLANT FEEDING REAMER

Coolant outlets in each flute. Polished flutes; flute long carbide on .2841" tool diameter and larger.
Left spiral flutes should not be used on blind holes.
Tool diameter tolerance plus .0003", minus .0000".

USE:

Flute coolant outlets for reaming through holes as chips are flushed forward through the hole being reamed.
Improves hole finish and permits higher feeds & speeds with longer tool life.

OPTIONS:

Decimal sizes priced below.
Metric tool diameter.
Cutter diameter reduced for step or pilot.
End chamfer other than 45°.
End cutting or corner radius.
Increased/decreased circular margin.
Increased/decreased tool diameter back taper.
Shortened shank or reduced shank diameter.
Flat(s) or tang on shank.

Below are the critical dimensions of our Coolant Fed Reamers. Please choose the Reamers that meets your tooling needs.
TOOL DIAMETER NO. OF FLUTES LENGTH MAX SHANK DIAM. TYPE 2428
EDP NO
PRICE SPECIAL DECIMAL SIZE RANGE PRICE EACH - FINISHED TO DECIMAL SIZE
FRAC. DECIMAL FLUTE OVERALL 1 PC. 2 PC. 3 PC. 4 PC. 5-7 8-14*
   1/  .2500 4  1/          .2405 242808 $140.95  .2381 –  .2530 $175.60 $158.20 $152.45 $149.60 $146.65 $144.35
   9/32  .2813 4  1/          .2485 242809 149.45  .2531 –  .2840 184.05 166.80 161.00 158.20 155.30 152.90
   5/16  .3125 4  1/          .2792 242810 157.95  .2841 –  .3150 192.55 175.15 169.40 166.65 163.60 161.35
  11/32  .3438 4  1/          .2792 242811 159.15  .3151 –  .3470 193.70 176.35 170.60 167.85 164.90 162.50
   3/  .3750 4  3/          .3105 242812 160.70  .3471 –  .3780 195.40 178.05 172.25 169.45 166.45 164.20
  13/32  .4063 4  3/          .3105 242813 161.40  .3781 –  .4090 196.00 178.70 172.85 170.15 167.10 164.85
   7/16  .4375 6  3/          .3730 242814 162.90  .4091 –  .4410 197.60 180.20 174.40 171.65 168.75 166.30
  15/32  .4688 6  3/          .3730 242815 164.35  .4411 –  .4720 198.95 181.65 175.85 173.10 170.15 167.80
   1/  .5000 6                  .4355 242816 166.45  .4721 –  .5030 201.15 183.75 177.95 175.15 172.25 169.90
  17/32  .5313 6                  .4355 242817 169.95  .5031 –  .5340 204.60 187.20 181.45 178.70 175.70 173.35
   9/16  .5625 6                  .4355 242818 172.40  .5341 –  .5660 207.05 189.70 183.90 181.15 178.15 175.85
  19/32  .5938 6                  .4355 242819 176.00  .5661 –  .5970 210.60 193.35 187.50 184.75 181.80 179.45
   5/  .6250 6  1/          .5615 242820 179.30  .5971 –  .6280 213.90 196.60 190.75 188.00 185.00 182.70
  21/32  .6563 6  1/          .5615 242821 198.55  .6281 –  .6590 233.20 215.85 210.05 207.30 204.30 201.95
  11/16  .6875 6  1/          .5615 242822 202.55  .6591 –  .6910 237.20 219.90 214.05 211.30 208.35 206.00
  23/32  .7188 6  1/          .5615 242823 206.90  .6911 –  .7220 241.50 224.15 218.35 215.60 212.65 210.30
   3/  .7500 6  1/  1/  .6245 242824 211.30  .7221 –  .7530 245.90 228.60 222.75 220.05 217.05 214.70
  25/32  .7813 6  1/  1/  .6245 242825 214.90  .7531 –  .7840 249.50 232.20 226.35 223.60 220.60 218.30
  13/16  .8125 6  1/  1/  .6245 242826 217.50  .7841 –  .8160 252.05 234.80 229.00 226.20 223.30 220.90
  27/32  .8438 6  1/  1/  .6245 242827 221.50  .8161 –  .8470 256.15 238.80 232.95 230.20 227.20 224.90
   7/  .8750 6  5/ 10          .7495 242828 233.50  .8471 –  .8780 269.45 251.50 245.40 242.55 239.45 237.00
  29/32  .9063 6  5/ 10          .7495 242829 247.25  .8781 –  .9090 283.20 265.15 259.15 256.30 253.25 250.80
  15/16  .9375 8  5/ 10          .7495 242830 259.35  .9091 –  .9410 295.20 277.25 271.20 268.35 265.20 262.85
  31/32  .9688 8  5/ 10          .7495 242831 260.00  .9411 –  .9720 295.90 277.95 271.85 269.00 265.90 263.45
        1.0000 8  3/ 10  1/  .8745 242832 260.35  .9721 – 1.0030 296.25 278.30 272.25 269.35 266.25 263.85
 1/16 1.0625 8  3/ 10  1/  .8745 242834 275.25 1.0031 – 1.0660 311.15 293.15 287.15 284.25 281.20 278.75
 1/ 1.1250 8  7/ 11          .8745 242836 276.45 1.0661 – 1.1280 312.35 294.30 288.30 285.40 282.40 279.95
 3/16 1.1875 8  7/ 11          .9995 242838 287.85 1.1281 – 1.1905 323.70 305.70 299.70 296.85 293.80 291.35
 1/ 1.2500 8         11  1/  .9995 242840 291.60 1.1906 – 1.2530 327.55 309.55 303.55 300.65 297.55 295.15
 5/16 1.3125 8         11  1/  .9995 242842 300.05 1.2531 – 1.3155 335.95 317.95 311.85 309.05 305.95 303.55
 3/ 1.3750 8  1/ 12          .9995 242844 312.10 1.3156 – 1.3780 348.10 330.10 324.00 321.20 318.10 315.65
 7/16 1.4375 8  1/ 12          .9995 242846 321.85 1.3781 – 1.4405 357.85 339.80 333.80 330.95 327.90 325.40
 1/ 1.5000 8  1/ 12  1/ 1.2495 242848 332.70 1.4406 – 1.5030 368.60 350.65 344.60 341.70 338.60 336.20
* Quantities of 15 or more: price of fractional size in same size range.
Don't see the Coolant Fed Reamers you need?
If the above dimensions do not meet your specific Coolant Fed Reamers needs we may be able to make modifications to one of the above Coolant Fed 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 Coolant Fed Reamers you requested.
Thank you for using Rock River Tool for your Coolant Fed Reamers needs.