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 $166.70  .2381 –  .2530 $207.65 $187.10 $180.30 $176.90 $173.45 $170.70
   9/32  .2813 4 1  1/2  6          .2485 242809 176.75  .2531 –  .2840 217.65 197.25 190.40 187.10 183.65 180.85
   5/16  .3125 4 1  1/2  6          .2792 242810 186.80  .2841 –  .3150 227.70 207.10 200.35 197.10 193.50 190.80
  11/32  .3438 4 1  1/2  6          .2792 242811 188.25  .3151 –  .3470 229.05 208.55 201.75 198.50 195.00 192.15
   3/8   .3750 4 1  3/4  7          .3105 242812 190.05  .3471 –  .3780 231.10 210.55 203.70 200.40 196.85 194.20
  13/32  .4063 4 1  3/4  7          .3105 242813 190.85  .3781 –  .4090 231.80 211.35 204.45 201.20 197.60 194.95
   7/16  .4375 6 1  3/4  7          .3730 242814 192.65  .4091 –  .4410 233.65 213.10 206.25 203.00 199.55 196.65
  15/32  .4688 6 1  3/4  7          .3730 242815 194.35  .4411 –  .4720 235.25 214.85 207.95 204.70 201.20 198.40
   1/2   .5000 6 2         8          .4355 242816 196.85  .4721 –  .5030 237.90 217.30 210.45 207.10 203.70 200.95
  17/32  .5313 6 2         8          .4355 242817 201.00  .5031 –  .5340 241.95 221.40 214.55 211.35 207.80 205.00
   9/16  .5625 6 2         8          .4355 242818 203.90  .5341 –  .5660 244.85 224.35 217.45 214.25 210.70 207.95
  19/32  .5938 6 2         8          .4355 242819 208.15  .5661 –  .5970 249.05 228.65 221.75 218.50 215.00 212.20
   5/8   .6250 6 2  1/4  9          .5615 242820 212.05  .5971 –  .6280 252.95 232.50 225.55 222.35 218.80 216.05
  21/32  .6563 6 2  1/4  9          .5615 242821 234.80  .6281 –  .6590 275.80 255.25 248.40 245.15 241.60 238.80
  11/16  .6875 6 2  1/4  9          .5615 242822 239.55  .6591 –  .6910 280.55 260.05 253.10 249.90 246.40 243.65
  23/32  .7188 6 2  1/4  9          .5615 242823 244.70  .6911 –  .7220 285.60 265.10 258.20 254.95 251.45 248.65
   3/4   .7500 6 2  1/2  9  1/2   .6245 242824 249.90  .7221 –  .7530 290.80 270.35 263.40 260.25 256.65 253.95
  25/32  .7813 6 2  1/2  9  1/2   .6245 242825 254.15  .7531 –  .7840 295.05 274.65 267.65 264.45 260.90 258.15
  13/16  .8125 6 2  1/2  9  1/2   .6245 242826 257.20  .7841 –  .8160 298.05 277.70 270.80 267.50 264.05 261.20
  27/32  .8438 6 2  1/2  9  1/2   .6245 242827 261.90  .8161 –  .8470 302.95 282.40 275.50 272.20 268.70 266.00
   7/8   .8750 6 2  5/8  10          .7495 242828 276.15  .8471 –  .8780 318.65 297.40 290.25 286.85 283.15 280.25
  29/32  .9063 6 2  5/8  10          .7495 242829 292.40  .8781 –  .9090 334.90 313.55 306.50 303.10 299.50 296.60
  15/16  .9375 8 2  5/8  10          .7495 242830 306.70  .9091 –  .9410 349.10 327.90 320.75 317.35 313.60 310.85
  31/32  .9688 8 2  5/8  10          .7495 242831 307.50  .9411 –  .9720 349.90 328.70 321.50 318.10 314.45 311.60
1         1.0000 8 2  3/4  10  1/2   .8745 242832 307.90  .9721 – 1.0030 350.35 329.10 322.00 318.55 314.85 312.00
1  1/16 1.0625 8 2  3/4  10  1/2   .8745 242834 325.50 1.0031 – 1.0660 367.95 346.70 339.55 336.15 332.55 329.65
1  1/8  1.1250 8 2  7/8  11          .8745 242836 326.90 1.0661 – 1.1280 369.40 348.05 340.95 337.55 334.00 331.05
1  3/16 1.1875 8 2  7/8  11          .9995 242838 340.45 1.1281 – 1.1905 382.80 361.50 354.45 351.05 347.45 344.55
1  1/4  1.2500 8 3         11  1/2   .9995 242840 344.85 1.1906 – 1.2530 387.35 366.05 359.00 355.55 351.90 349.05
1  5/16 1.3125 8 3         11  1/2   .9995 242842 354.85 1.2531 – 1.3155 397.30 376.00 368.80 365.45 361.85 359.00
1  3/8  1.3750 8 3  1/4  12          .9995 242844 369.05 1.3156 – 1.3780 411.65 390.35 383.15 379.85 376.20 373.30
1  7/16 1.4375 8 3  1/4  12          .9995 242846 380.60 1.3781 – 1.4405 423.20 401.85 394.75 391.40 387.80 384.85
1  1/2  1.5000 8 3  1/2  12  1/2  1.2495 242848 393.45 1.4406 – 1.5030 435.90 414.70 407.50 404.10 400.45 397.60
* 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.