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.

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 $119.45  .2381 –  .2530 $148.80 $134.10 $129.20 $126.85 $124.30 $122.35
   9/32  .2813 4 1  1/2  6          .2485 242809 126.70  .2531 –  .2840 156.05 141.35 136.45 134.10 131.60 129.60
   5/16  .3125 4 1  1/2  6          .2792 242810 133.85  .2841 –  .3150 163.20 148.50 143.60 141.25 138.70 136.75
  11/32  .3438 4 1  1/2  6          .2792 242811 134.90  .3151 –  .3470 164.20 149.50 144.60 142.25 139.75 137.75
   3/8   .3750 4 1  3/4  7          .3105 242812 136.25  .3471 –  .3780 165.60 150.90 146.00 143.65 141.10 139.15
  13/32  .4063 4 1  3/4  7          .3105 242813 136.80  .3781 –  .4090 166.15 151.45 146.50 144.20 141.65 139.70
   7/16  .4375 6 1  3/4  7          .3730 242814 138.10  .4091 –  .4410 167.45 152.75 147.85 145.50 143.00 141.00
  15/32  .4688 6 1  3/4  7          .3730 242815 139.30  .4411 –  .4720 168.65 153.95 149.05 146.70 144.20 142.20
   1/2   .5000 6 2         8          .4355 242816 141.10  .4721 –  .5030 170.45 155.75 150.85 148.50 146.00 144.00
  17/32  .5313 6 2         8          .4355 242817 144.05  .5031 –  .5340 173.40 158.70 153.80 151.45 148.90 146.95
   9/16  .5625 6 2         8          .4355 242818 146.15  .5341 –  .5660 175.50 160.80 155.90 153.55 151.00 149.05
  19/32  .5938 6 2         8          .4355 242819 149.20  .5661 –  .5970 178.55 163.85 158.95 156.60 154.10 152.10
   5/8   .6250 6 2  1/4  9          .5615 242820 152.00  .5971 –  .6280 181.30 166.60 161.70 159.35 156.85 154.85
  21/32  .6563 6 2  1/4  9          .5615 242821 168.30  .6281 –  .6590 197.65 182.95 178.00 175.70 173.15 171.20
  11/16  .6875 6 2  1/4  9          .5615 242822 171.70  .6591 –  .6910 201.05 186.35 181.45 179.10 176.60 174.60
  23/32  .7188 6 2  1/4  9          .5615 242823 175.40  .6911 –  .7220 204.70 190.00 185.10 182.75 180.25 178.25
   3/4   .7500 6 2  1/2  9  1/2   .6245 242824 179.10  .7221 –  .7530 208.45 193.75 188.80 186.50 183.95 182.00
  25/32  .7813 6 2  1/2  9  1/2   .6245 242825 182.15  .7531 –  .7840 211.50 196.80 191.90 189.55 187.00 185.05
  13/16  .8125 6 2  1/2  9  1/2   .6245 242826 184.40  .7841 –  .8160 213.70 199.00 194.10 191.75 189.25 187.25
  27/32  .8438 6 2  1/2  9  1/2   .6245 242827 187.75  .8161 –  .8470 217.10 202.40 197.45 195.10 192.60 190.60
   7/8   .8750 6 2  5/8  10          .7495 242828 190.75  .8471 –  .8780 220.10 205.40 200.45 198.10 195.60 193.60
  29/32  .9063 6 2  5/8  10          .7495 242829 201.95  .8781 –  .9090 231.30 216.60 211.70 209.35 206.80 204.85
  15/16  .9375 8 2  5/8  10          .7495 242830 211.80  .9091 –  .9410 241.15 226.45 221.50 219.20 216.65 214.70
  31/32  .9688 8 2  5/8  10          .7495 242831 212.35  .9411 –  .9720 241.70 227.00 222.05 219.70 217.20 215.20
1         1.0000 8 2  3/4  10  1/2   .8745 242832 212.65  .9721 – 1.0030 242.00 227.30 222.35 220.00 217.50 215.50
1  1/16 1.0625 8 2  3/4  10  1/2   .8745 242834 224.80 1.0031 – 1.0660 254.15 239.45 234.55 232.20 229.70 227.70
1  1/8  1.1250 8 2  7/8  11          .8745 242836 225.80 1.0661 – 1.1280 255.10 240.40 235.50 233.15 230.65 228.65
1  3/16 1.1875 8 2  7/8  11          .9995 242838 235.10 1.1281 – 1.1905 264.40 249.70 244.80 242.45 239.95 237.95
1  1/4  1.2500 8 3         11  1/2   .9995 242840 238.20 1.1906 – 1.2530 267.55 252.85 247.90 245.60 243.05 241.10
1  5/16 1.3125 8 3         11  1/2   .9995 242842 245.05 1.2531 – 1.3155 274.40 259.70 254.75 252.40 249.90 247.90
1  3/8  1.3750 8 3  1/4  12          .9995 242844 254.95 1.3156 – 1.3780 284.30 269.60 264.65 262.30 259.80 257.80
1  7/16 1.4375 8 3  1/4  12          .9995 242846 262.90 1.3781 – 1.4405 292.25 277.55 272.65 270.30 267.80 265.80
1  1/2  1.5000 8 3  1/2  12  1/2  1.2495 242848 271.75 1.4406 – 1.5030 301.10 286.40 281.45 279.10 276.60 274.60
* Quantities of 15 or more: price of fractional size in same size range.