COUNTERBORES — CARBIDE TIPPED

FOUR FLUTES — TAPER SHANK

TYPE 2518 — FOUR FLUTES — TAPER SHANK

For machining cast iron, non ferrous materials, composites, plastics and non-metals.
Carbide tips brazed to hardened alloy steel bodies.
Right spiral polished flutes.
Cutting diameter tolerance — plus .001", minus .000".
Shank diameter tolerance — plus .0000", minus .0005".

OPTIONS

Intermediate decimal or metric diameters.
Chamfers or radius end.
Cutting diameter ground down for small step.


Below are the critical dimensions of our Four Flutes - Taper Shank Counterbores. Please choose the Counterbores that meets your tooling needs.
Tool
Diameter
Dimensions Type 2518
EDP NO.
Price Finished To Modified Tool Diameter
Diameter Taper No. of Flutes Overall Length Modified Diameter Range Price Each - Based on Quantity Ordered
Frac. Dec. Min. Cut Pilot Hole Low High 1 2 3 4 5-7 8-14*
   1/  .5000  .2280  .1875 1 4  5/16 251816 $121.80  .4721  .5030 $164.15 $142.95 $135.80 $132.50 $128.80 $125.95
  17/32  .5313  .2280  .1875 1 4  5/16 251817 136.40  .5031  .5340 178.65 157.50 150.45 147.00 143.40 140.55
   9/16  .5625  .2280  .1875 1 4  5/16 251818 124.05  .5341  .5660 166.30 145.15 138.20 134.60 131.15 128.25
  19/32  .5938  .2280  .1875 2 4  1/ 251819 140.15  .5661  .5970 182.45 161.30 154.30 150.75 147.25 144.30
   5/  .6250  .2280  .1875 2 4  1/ 251820 127.40  .5971  .6280 169.55 148.55 141.45 138.10 134.35 131.50
  21/32  .6563  .2280  .1875 2 4  1/ 251821 147.95  .6281  .6590 190.25 169.15 162.00 158.65 155.00 152.10
  11/16  .6875  .2280  .1875 2 4  1/ 251822 134.35  .6591  .6910 176.75 155.50 148.55 145.00 141.45 138.55
  23/32  .7188  .2900  .2500 2 4  3/ 251823 150.40  .6911  .7220 192.65 171.55 164.50 161.10 157.45 154.60
   3/  .7500  .2900  .2500 2 4  3/ 251824 136.75  .7221  .7530 178.90 157.85 150.75 147.35 143.70 140.70
  25/32  .7813  .2900  .2500 2 4  3/ 251825 153.00  .7531  .7840 195.15 174.10 166.95 163.50 159.95 157.10
  13/16  .8125  .2900  .2500 2 4  3/ 251826 139.05  .7841  .8160 181.30 160.20 153.20 149.60 146.10 143.20
  27/32  .8438  .2900  .2500 2 4  3/ 251827 160.75  .8161  .8470 203.10 182.00 174.95 171.50 167.95 165.00
   7/  .8750  .2900  .2500 2 4  3/ 251828 146.20  .8471  .8780 188.45 167.30 160.35 156.75 153.25 150.30
  29/32  .9063  .2900  .2500 3 4  1/ 251829 165.20  .8781  .9090 207.40 186.25 179.35 175.70 172.25 169.35
  15/16  .9375  .2900  .2500 3 4  1/ 251830 150.15  .9091  .9410 192.40 171.30 164.25 160.70 157.30 154.35
  31/32  .9688  .3530  .3125 3 4  3/ 251831 169.05  .9411  .9720 211.25 190.20 183.10 179.65 176.00 173.05
        1.0000  .3530  .3125 3 4  3/ 251832 159.45  .9721 1.0030 203.35 181.40 174.10 170.55 166.70 163.75
 1/16 1.0625  .3530  .3125 3 4  3/ 251834 161.55 1.0031 1.0660 205.30 183.45 176.15 172.55 168.75 165.80
 1/ 1.1250  .3530  .3125 3 4  3/ 251836 166.65 1.0661 1.1280 210.55 188.70 181.20 177.65 173.95 170.95
 3/16 1.1875  .3530  .3125 3 4  3/ 251838 172.30 1.1281 1.1905 216.30 194.30 186.90 183.40 179.65 176.65
* Quantities of 15 or more - price of fractional size in same size range
Don't see the Four Flutes - Taper Shank Counterbores you need?
If the above dimensions do not meet your specific Four Flutes - Taper Shank Counterbores needs we may be able to make modifications to one of the above Four Flutes - Taper Shank Counterbores 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 Four Flutes - Taper Shank Counterbores you requested.
Thank you for using Rock River Tool for your Four Flutes - Taper Shank Counterbores needs.