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 $126.60  .2381 –  .2530 $157.75 $142.15 $136.95 $134.45 $131.75 $129.70
   9/32  .2813 4 1  1/2  6          .2485 242809 134.30  .2531 –  .2840 165.40 149.85 144.65 142.15 139.50 137.40
   5/16  .3125 4 1  1/2  6          .2792 242810 141.90  .2841 –  .3150 173.00 157.40 152.20 149.70 147.00 144.95
  11/32  .3438 4 1  1/2  6          .2792 242811 143.00  .3151 –  .3470 174.05 158.45 153.30 150.80 148.15 146.00
   3/8   .3750 4 1  3/4  7          .3105 242812 144.45  .3471 –  .3780 175.55 159.95 154.75 152.25 149.55 147.50
  13/32  .4063 4 1  3/4  7          .3105 242813 145.00  .3781 –  .4090 176.10 160.55 155.30 152.85 150.15 148.10
   7/16  .4375 6 1  3/4  7          .3730 242814 146.40  .4091 –  .4410 177.50 161.90 156.70 154.25 151.60 149.45
  15/32  .4688 6 1  3/4  7          .3730 242815 147.65  .4411 –  .4720 178.75 163.20 158.00 155.50 152.85 150.75
   1/2   .5000 6 2         8          .4355 242816 149.55  .4721 –  .5030 180.70 165.10 159.90 157.40 154.75 152.65
  17/32  .5313 6 2         8          .4355 242817 152.70  .5031 –  .5340 183.80 168.20 163.05 160.55 157.85 155.75
   9/16  .5625 6 2         8          .4355 242818 154.90  .5341 –  .5660 186.05 170.45 165.25 162.75 160.05 158.00
  19/32  .5938 6 2         8          .4355 242819 158.15  .5661 –  .5970 189.25 173.70 168.50 166.00 163.35 161.25
   5/8   .6250 6 2  1/4  9          .5615 242820 161.10  .5971 –  .6280 192.20 176.60 171.40 168.90 166.25 164.15
  21/32  .6563 6 2  1/4  9          .5615 242821 178.40  .6281 –  .6590 209.50 193.95 188.70 186.25 183.55 181.45
  11/16  .6875 6 2  1/4  9          .5615 242822 182.00  .6591 –  .6910 213.10 197.55 192.35 189.85 187.20 185.10
  23/32  .7188 6 2  1/4  9          .5615 242823 185.90  .6911 –  .7220 217.00 201.40 196.20 193.70 191.05 188.95
   3/4   .7500 6 2  1/2  9  1/2   .6245 242824 189.85  .7221 –  .7530 220.95 205.40 200.15 197.70 195.00 192.90
  25/32  .7813 6 2  1/2  9  1/2   .6245 242825 193.10  .7531 –  .7840 224.20 208.60 203.40 200.90 198.20 196.15
  13/16  .8125 6 2  1/2  9  1/2   .6245 242826 195.45  .7841 –  .8160 226.50 210.95 205.75 203.25 200.60 198.50
  27/32  .8438 6 2  1/2  9  1/2   .6245 242827 199.00  .8161 –  .8470 230.15 214.55 209.30 206.80 204.15 202.05
   7/8   .8750 6 2  5/8  10          .7495 242828 209.85  .8471 –  .8780 242.10 225.95 220.50 217.90 215.15 212.95
  29/32  .9063 6 2  5/8  10          .7495 242829 222.15  .8781 –  .9090 254.45 238.25 232.85 230.30 227.50 225.35
  15/16  .9375 8 2  5/8  10          .7495 242830 233.00  .9091 –  .9410 265.25 249.10 243.65 241.10 238.30 236.15
  31/32  .9688 8 2  5/8  10          .7495 242831 233.60  .9411 –  .9720 265.85 249.70 244.25 241.65 238.90 236.70
1         1.0000 8 2  3/4  10  1/2   .8745 242832 233.90  .9721 – 1.0030 266.20 250.05 244.60 242.00 239.25 237.05
1  1/16 1.0625 8 2  3/4  10  1/2   .8745 242834 247.30 1.0031 – 1.0660 279.55 263.40 258.00 255.40 252.65 250.45
1  1/8  1.1250 8 2  7/8  11          .8745 242836 248.40 1.0661 – 1.1280 280.60 264.45 259.05 256.45 253.70 251.50
1  3/16 1.1875 8 2  7/8  11          .9995 242838 258.60 1.1281 – 1.1905 290.85 274.65 269.30 266.70 263.95 261.75
1  1/4  1.2500 8 3         11  1/2   .9995 242840 262.00 1.1906 – 1.2530 294.30 278.15 272.70 270.15 267.35 265.20
1  5/16 1.3125 8 3         11  1/2   .9995 242842 269.55 1.2531 – 1.3155 301.85 285.65 280.25 277.65 274.90 272.70
1  3/8  1.3750 8 3  1/4  12          .9995 242844 280.45 1.3156 – 1.3780 312.75 296.55 291.10 288.55 285.80 283.60
1  7/16 1.4375 8 3  1/4  12          .9995 242846 289.20 1.3781 – 1.4405 321.50 305.30 299.90 297.35 294.60 292.40
1  1/2  1.5000 8 3  1/2  12  1/2  1.2495 242848 298.95 1.4406 – 1.5030 331.20 315.05 309.60 307.00 304.25 302.05
* 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.