COUNTERBORES — CARBIDE TIPPED

REDUCED SHANK — INTERCHANGEABLE PILOT TYPE

TYPE 2522 — THREE FLUTES — REDUCED SHANK

3 flutes
Furnished with 1/64" corner radius
Carbide tips brazed to tough alloy steel body
Tool diameter tolerance: plus .001", minus .000"
Shank diameter tolerance: plus .0000", minus .0005"

USE:

For counterboring and spotfacing non-ferrous materials, composites, and non-metals used in airframe manufacturing.

OPTIONS

Modified tool diameter - priced below
Metric tool diameter
Cutting diameter reduced for step
Corner chamfer or corner radius


Below are the critical dimensions of our Three Flutes - Reduced Shank Counterbores. Please choose the Counterbores that meets your tooling needs.
Tool
Diameter
Dimensions Type 2522
EDP NO.
Price Finished To Modified Tool Diameter
Diameter Overall Length Modified Diameter Range Price Each - Based on Quantity Ordered
Frac. Dec. Min. Cut Pilot Hole Small Shank Low High 1 2 3 4 5-7 8-14*
   1/  .2500    1/  .0938    1/  3/ 252208 $46.70  .2381  .2530 $79.40 $63.10 $57.60 $55.00 $52.20 $49.90
   9/32  .2813    1/  .0938    1/  3/ 252209 46.75  .2531  .2840 79.45 63.15 57.70 55.05 52.25 50.00
   5/16  .3125    1/  .0938    1/  3/ 252210 47.95  .2841  .3150 80.70 64.30 58.80 56.15 53.40 51.20
  11/32  .3438    1/  .0938    1/  3/ 252211 48.90  .3151  .3470 81.65 65.25 59.80 57.10 54.40 52.15
   3/  .3750    1/  .0938    1/  3/ 252212 49.05  .3471  .3780 81.75 65.40 60.00 57.25 54.50 52.25
  13/32  .4063  .1560  .1250    1/  3/ 252213 55.80  .3781  .4090 88.40 72.15 66.65 64.00 61.20 59.00
   7/16  .4375  .1560  .1250    1/  3/ 252214 60.15  .4091  .4410 92.85 76.45 71.05 68.30 65.60 63.35
  15/32  .4688  .1560  .1250    1/  3/ 252215 61.15  .4411  .4720 93.85 77.50 72.05 69.40 66.60 64.35
   1/  .5000  .1560  .1250    1/  3/ 252216 61.90  .4721  .5030 94.60 78.25 72.80 70.05 67.30 65.05
  17/32  .5313  .1560  .1250    1/  3/ 252217 62.20  .5031  .5340 94.85 78.50 73.10 70.40 67.60 65.40
   9/16  .5625  .1560  .1250    1/  3/ 252218 62.45  .5341  .5660 95.15 78.80 73.35 70.60 67.95 65.65
  19/32  .5938  .1560  .1250    1/  3/ 252219 62.80  .5661  .5970 95.55 79.20 73.75 71.05 68.25 66.00
   5/  .6250  .1560  .1250    1/  3/ 252220 63.50  .5971  .6280 96.20 79.90 74.40 71.80 69.00 66.70
  21/32  .6563  .2190  .1875    1/  3/ 252221 70.55  .6281  .6590 103.25 86.90 81.50 78.80 76.05 73.80
  11/16  .6875  .2190  .1875    1/  3/ 252222 74.10  .6591  .6910 106.80 90.45 85.00 82.30 79.50 77.30
  23/32  .7188  .2190  .1875    1/  3/ 252223 76.60  .6911  .7220 109.25 92.95 87.45 84.85 82.05 79.85
   3/  .7500  .2190  .1875    1/  3/ 252224 77.55  .7221  .7530 110.25 93.90 88.40 85.80 83.05 80.80
  25/32  .7813  .2190  .1875    1/  3/ 252225 77.90  .7531  .7840 110.60 94.25 88.80 86.05 83.35 81.10
  13/16  .8125  .2190  .1875    1/  3/ 252226 78.55  .7841  .8160 111.35 94.90 89.50 86.80 84.05 81.80
  27/32  .8438  .2190  .1875    1/  3/ 252227 79.15  .8161  .8470 111.85 95.40 90.00 87.30 84.55 82.30
   7/  .8750  .2190  .1875    1/  3/ 252228 79.90  .8471  .8780 112.55 96.20 90.80 88.10 85.30 83.10
  29/32  .9063  .2190  .1875    1/  3/ 252229 80.40  .8781  .9090 113.10 96.80 91.35 88.70 85.90 83.65
  15/16  .9375  .2190  .1875    1/  3/ 252230 81.20  .9091  .9410 113.90 97.60 92.10 89.45 86.70 84.40
  31/32  .9688  .2190  .1875    1/  3/ 252231 81.75  .9411  .9720 114.45 98.05 92.70 89.95 87.20 84.95
        1.0000  .2190  .1875    1/  3/ 252232 82.00  .9721 1.0030 114.70 98.35 92.90 90.20 87.40 85.20
 1/16 1.0625  .2190  .1875    3/  3/ 252234 104.65 1.0031 1.0660 137.30 120.95 115.55 112.85 110.05 107.85
 1/ 1.1250  .2190  .1875    3/  3/ 252236 111.65 1.0661 1.1280 144.35 128.00 122.60 119.90 117.10 114.85
 3/16 1.1875  .2190  .1875    3/  3/ 252238 113.05 1.1281 1.1905 145.75 129.45 124.00 121.30 118.55 116.30
 1/ 1.2500  .2810  .2500    3/  3/ 252240 115.20 1.1906 1.2530 147.95 131.55 126.05 123.40 120.70 118.45
 5/16 1.3125  .2810  .2500    3/  3/ 252242 117.30 1.2531 1.3155 150.00 133.65 128.25 125.55 122.75 120.50
 3/ 1.3750  .2810  .2500    3/  3/ 252244 118.70 1.3156 1.3780 151.40 135.15 129.65 126.90 124.20 121.90
 7/16 1.4375  .2810  .2500    3/  3/ 252246 120.10 1.3781 1.4405 152.90 136.45 131.05 128.35 125.60 123.35
 1/ 1.5000  .2810  .2500    3/  3/ 252248 126.45 1.4406 1.5030 160.35 143.40 137.75 134.95 132.05 129.75
 9/16 1.5625  .3430  .3125    1/  1/16 252250 140.65 1.5031 1.5660 174.55 157.65 152.00 149.20 146.35 144.05
 5/ 1.6250  .3430  .3125    1/  1/16 252252 142.50 1.5661 1.6280 176.40 159.50 153.90 151.10 148.20 145.80
11/16 1.6875  .3430  .3125    1/  1/16 252254 144.40 1.6281 1.6910 178.30 161.35 155.70 152.95 150.10 147.75
 3/ 1.7500  .3430  .3125    1/  1/16 252256 146.60 1.6911 1.7530 180.50 163.50 157.90 155.10 152.25 149.95
13/16 1.8125  .3430  .3125    1/  1/16 252258 148.35 1.7531 1.8160 181.95 165.05 159.40 156.60 153.65 151.35
 7/ 1.8750  .3430  .3125    1/  1/16 252260 149.45 1.8161 1.8780 183.35 166.40 160.70 158.00 155.10 152.75
15/16 1.9375  .3430  .3125    1/  1/16 252262 164.90 1.8781 1.9410 198.80 181.85 176.20 173.40 170.50 168.20
        2.0000  .3430  .3125    1/  1/16 252264 205.20 1.9411 2.0030 239.20 222.20 216.55 213.75 210.90 208.55
* Quantities of 15 or more - price of fractional size in same size range
Don't see the Three Flutes - Reduced Shank Counterbores you need?
If the above dimensions do not meet your specific Three Flutes - Reduced Shank Counterbores needs we may be able to make modifications to one of the above Three Flutes - Reduced 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 Three Flutes - Reduced Shank Counterbores you requested.
Thank you for using Rock River Tool for your Three Flutes - Reduced Shank Counterbores needs.