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 $132.95  .2381 –  .2530 $165.65 $149.25 $143.80 $141.15 $138.35 $136.20
   9/32  .2813 4  1/          .2485 242809 141.00  .2531 –  .2840 173.65 157.35 151.90 149.25 146.50 144.25
   5/16  .3125 4  1/          .2792 242810 149.00  .2841 –  .3150 181.65 165.25 159.80 157.20 154.35 152.20
  11/32  .3438 4  1/          .2792 242811 150.15  .3151 –  .3470 182.75 166.35 160.95 158.35 155.55 153.30
   3/  .3750 4  3/          .3105 242812 151.60  .3471 –  .3780 184.35 167.95 162.50 159.85 157.05 154.90
  13/32  .4063 4  3/          .3105 242813 152.25  .3781 –  .4090 184.90 168.60 163.05 160.50 157.65 155.50
   7/16  .4375 6  3/          .3730 242814 153.70  .4091 –  .4410 186.40 170.00 164.55 161.95 159.20 156.90
  15/32  .4688 6  3/          .3730 242815 155.05  .4411 –  .4720 187.70 171.35 165.90 163.30 160.50 158.30
   1/  .5000 6                  .4355 242816 157.05  .4721 –  .5030 189.75 173.35 167.90 165.25 162.50 160.30
  17/32  .5313 6                  .4355 242817 160.35  .5031 –  .5340 193.00 176.60 171.20 168.60 165.75 163.55
   9/16  .5625 6                  .4355 242818 162.65  .5341 –  .5660 195.35 178.95 173.50 170.90 168.05 165.90
  19/32  .5938 6                  .4355 242819 166.05  .5661 –  .5970 198.70 182.40 176.90 174.30 171.50 169.30
   5/  .6250 6  1/          .5615 242820 169.15  .5971 –  .6280 201.80 185.45 179.95 177.35 174.55 172.35
  21/32  .6563 6  1/          .5615 242821 187.30  .6281 –  .6590 220.00 203.65 198.15 195.55 192.75 190.50
  11/16  .6875 6  1/          .5615 242822 191.10  .6591 –  .6910 223.75 207.45 201.95 199.35 196.55 194.35
  23/32  .7188 6  1/          .5615 242823 195.20  .6911 –  .7220 227.85 211.45 206.00 203.40 200.60 198.40
   3/  .7500 6  1/  1/  .6245 242824 199.35  .7221 –  .7530 232.00 215.65 210.15 207.60 204.75 202.55
  25/32  .7813 6  1/  1/  .6245 242825 202.75  .7531 –  .7840 235.40 219.05 213.55 210.95 208.10 205.95
  13/16  .8125 6  1/  1/  .6245 242826 205.20  .7841 –  .8160 237.80 221.50 216.05 213.40 210.65 208.40
  27/32  .8438 6  1/  1/  .6245 242827 208.95  .8161 –  .8470 241.65 225.30 219.75 217.15 214.35 212.15
   7/  .8750 6  5/ 10          .7495 242828 220.30  .8471 –  .8780 254.20 237.25 231.50 228.80 225.90 223.60
  29/32  .9063 6  5/ 10          .7495 242829 233.25  .8781 –  .9090 267.15 250.15 244.50 241.80 238.90 236.60
  15/16  .9375 8  5/ 10          .7495 242830 244.65  .9091 –  .9410 278.50 261.55 255.85 253.15 250.20 247.95
  31/32  .9688 8  5/ 10          .7495 242831 245.30  .9411 –  .9720 279.15 262.20 256.45 253.75 250.85 248.55
        1.0000 8  3/ 10  1/  .8745 242832 245.60  .9721 – 1.0030 279.50 262.55 256.85 254.10 251.20 248.90
 1/16 1.0625 8  3/ 10  1/  .8745 242834 259.65 1.0031 – 1.0660 293.55 276.55 270.90 268.15 265.30 262.95
 1/ 1.1250 8  7/ 11          .8745 242836 260.80 1.0661 – 1.1280 294.65 277.65 272.00 269.25 266.40 264.10
 3/16 1.1875 8  7/ 11          .9995 242838 271.55 1.1281 – 1.1905 305.40 288.40 282.75 280.05 277.15 274.85
 1/ 1.2500 8         11  1/  .9995 242840 275.10 1.1906 – 1.2530 309.00 292.05 286.35 283.65 280.70 278.45
 5/16 1.3125 8         11  1/  .9995 242842 283.05 1.2531 – 1.3155 316.95 299.95 294.20 291.55 288.65 286.35
 3/ 1.3750 8  1/ 12          .9995 242844 294.45 1.3156 – 1.3780 328.40 311.40 305.65 303.00 300.10 297.80
 7/16 1.4375 8  1/ 12          .9995 242846 303.65 1.3781 – 1.4405 337.60 320.55 314.90 312.20 309.35 307.00
 1/ 1.5000 8  1/ 12  1/ 1.2495 242848 313.85 1.4406 – 1.5030 347.75 330.80 325.10 322.35 319.45 317.15
* 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.