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 $86.70  .4721  .5030 $116.80 $101.75 $96.70 $94.30 $91.70 $89.65
  17/32  .5313  .2280  .1875 1 4  5/16 251817 97.10  .5031  .5340 127.15 112.15 107.10 104.65 102.10 100.05
   9/16  .5625  .2280  .1875 1 4  5/16 251818 88.30  .5341  .5660 118.40 103.30 98.35 95.80 93.35 91.25
  19/32  .5938  .2280  .1875 2 4  1/ 251819 99.75  .5661  .5970 129.85 114.80 109.80 107.30 104.80 102.70
   5/  .6250  .2280  .1875 2 4  1/ 251820 90.65  .5971  .6280 120.75 105.75 100.70 98.25 95.65 93.60
  21/32  .6563  .2280  .1875 2 4  1/ 251821 105.30  .6281  .6590 135.40 120.35 115.30 112.90 110.30 108.25
  11/16  .6875  .2280  .1875 2 4  1/ 251822 95.65  .6591  .6910 125.80 110.70 105.75 103.20 100.70 98.60
  23/32  .7188  .2900  .2500 2 4  3/ 251823 107.05  .6911  .7220 137.15 122.10 117.10 114.65 112.10 110.05
   3/  .7500  .2900  .2500 2 4  3/ 251824 97.30  .7221  .7530 127.35 112.30 107.30 104.85 102.25 100.20
  25/32  .7813  .2900  .2500 2 4  3/ 251825 108.85  .7531  .7840 138.90 123.90 118.85 116.35 113.85 111.80
  13/16  .8125  .2900  .2500 2 4  3/ 251826 99.00  .7841  .8160 129.05 114.05 109.05 106.50 104.00 101.95
  27/32  .8438  .2900  .2500 2 4  3/ 251827 114.45  .8161  .8470 144.60 129.55 124.55 122.05 119.55 117.45
   7/  .8750  .2900  .2500 2 4  3/ 251828 104.05  .8471  .8780 134.15 119.05 114.10 111.60 109.10 107.00
  29/32  .9063  .2900  .2500 3 4  1/ 251829 117.60  .8781  .9090 147.65 132.60 127.65 125.10 122.60 120.55
  15/16  .9375  .2900  .2500 3 4  1/ 251830 106.90  .9091  .9410 136.95 121.90 116.90 114.40 111.95 109.85
  31/32  .9688  .3530  .3125 3 4  3/ 251831 120.30  .9411  .9720 150.35 135.35 130.35 127.85 125.25 123.20
        1.0000  .3530  .3125 3 4  3/ 251832 113.50  .9721 1.0030 144.75 129.15 123.90 121.35 118.65 116.55
 1/16 1.0625  .3530  .3125 3 4  3/ 251834 115.00 1.0031 1.0660 146.15 130.55 125.35 122.80 120.15 118.00
 1/ 1.1250  .3530  .3125 3 4  3/ 251836 118.60 1.0661 1.1280 149.85 134.30 129.00 126.45 123.80 121.70
 3/16 1.1875  .3530  .3125 3 4  3/ 251838 122.65 1.1281 1.1905 153.95 138.30 133.05 130.50 127.85 125.75
* 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.