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*
   1/4   .2500 4 1  1/2  6          .2405 242808 $180.05  .2381 –  .2530 $224.25 $202.05 $194.70 $191.05 $187.35 $184.35
   9/32  .2813 4 1  1/2  6          .2485 242809 190.90  .2531 –  .2840 235.05 213.05 205.65 202.05 198.35 195.30
   5/16  .3125 4 1  1/2  6          .2792 242810 201.75  .2841 –  .3150 245.90 223.65 216.40 212.85 209.00 206.05
  11/32  .3438 4 1  1/2  6          .2792 242811 203.30  .3151 –  .3470 247.35 225.25 217.90 214.40 210.60 207.50
   3/8   .3750 4 1  3/4  7          .3105 242812 205.25  .3471 –  .3780 249.60 227.40 220.00 216.45 212.60 209.75
  13/32  .4063 4 1  3/4  7          .3105 242813 206.10  .3781 –  .4090 250.35 228.25 220.80 217.30 213.40 210.55
   7/16  .4375 6 1  3/4  7          .3730 242814 208.05  .4091 –  .4410 252.35 230.15 222.75 219.25 215.50 212.40
  15/32  .4688 6 1  3/4  7          .3730 242815 209.90  .4411 –  .4720 254.05 232.05 224.60 221.10 217.30 214.25
   1/2   .5000 6 2         8          .4355 242816 212.60  .4721 –  .5030 256.95 234.70 227.30 223.65 220.00 217.05
  17/32  .5313 6 2         8          .4355 242817 217.10  .5031 –  .5340 261.30 239.10 231.70 228.25 224.40 221.40
   9/16  .5625 6 2         8          .4355 242818 220.20  .5341 –  .5660 264.45 242.30 234.85 231.40 227.55 224.60
  19/32  .5938 6 2         8          .4355 242819 224.80  .5661 –  .5970 268.95 246.95 239.50 236.00 232.20 229.20
   5/8   .6250 6 2  1/4  9          .5615 242820 229.00  .5971 –  .6280 273.20 251.10 243.60 240.15 236.30 233.35
  21/32  .6563 6 2  1/4  9          .5615 242821 253.60  .6281 –  .6590 297.85 275.65 268.25 264.75 260.95 257.90
  11/16  .6875 6 2  1/4  9          .5615 242822 258.70  .6591 –  .6910 303.00 280.85 273.35 269.90 266.10 263.15
  23/32  .7188 6 2  1/4  9          .5615 242823 264.30  .6911 –  .7220 308.45 286.30 278.85 275.35 271.55 268.55
   3/4   .7500 6 2  1/2  9  1/2   .6245 242824 269.90  .7221 –  .7530 314.05 292.00 284.45 281.05 277.20 274.25
  25/32  .7813 6 2  1/2  9  1/2   .6245 242825 274.50  .7531 –  .7840 318.65 296.60 289.05 285.60 281.75 278.80
  13/16  .8125 6 2  1/2  9  1/2   .6245 242826 277.80  .7841 –  .8160 321.90 299.90 292.45 288.90 285.15 282.10
  27/32  .8438 6 2  1/2  9  1/2   .6245 242827 282.85  .8161 –  .8470 327.20 305.00 297.55 294.00 290.20 287.30
   7/8   .8750 6 2  5/8  10          .7495 242828 298.25  .8471 –  .8780 344.15 321.20 313.45 309.80 305.80 302.65
  29/32  .9063 6 2  5/8  10          .7495 242829 315.80  .8781 –  .9090 361.70 338.65 331.00 327.35 323.45 320.35
  15/16  .9375 8 2  5/8  10          .7495 242830 331.25  .9091 –  .9410 377.05 354.15 346.40 342.75 338.70 335.70
  31/32  .9688 8 2  5/8  10          .7495 242831 332.10  .9411 –  .9720 377.90 355.00 347.20 343.55 339.60 336.55
1         1.0000 8 2  3/4  10  1/2   .8745 242832 332.55  .9721 – 1.0030 378.40 355.45 347.75 344.05 340.05 336.95
1  1/16 1.0625 8 2  3/4  10  1/2   .8745 242834 351.55 1.0031 – 1.0660 397.40 374.45 366.70 363.05 359.15 356.00
1  1/8  1.1250 8 2  7/8  11          .8745 242836 353.05 1.0661 – 1.1280 398.95 375.90 368.25 364.55 360.70 357.55
1  3/16 1.1875 8 2  7/8  11          .9995 242838 367.70 1.1281 – 1.1905 413.40 390.40 382.80 379.15 375.25 372.10
1  1/4  1.2500 8 3         11  1/2   .9995 242840 372.45 1.1906 – 1.2530 418.35 395.35 387.70 384.00 380.05 376.95
1  5/16 1.3125 8 3         11  1/2   .9995 242842 383.25 1.2531 – 1.3155 429.10 406.10 398.30 394.70 390.80 387.70
1  3/8  1.3750 8 3  1/4  12          .9995 242844 398.55 1.3156 – 1.3780 444.60 421.60 413.80 410.25 406.30 403.15
1  7/16 1.4375 8 3  1/4  12          .9995 242846 411.05 1.3781 – 1.4405 457.05 434.00 426.35 422.70 418.80 415.65
1  1/2  1.5000 8 3  1/2  12  1/2  1.2495 242848 424.95 1.4406 – 1.5030 470.75 447.90 440.10 436.45 432.50 429.40
* 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.