COUNTERBORES — CARBIDE TIPPED

STEEL CUTTING — STRAIGHT SHANK

TYPE 2510 — STEEL CUTTING — STRAIGHT SHANK

Carbide tips brazed to hardened alloy steel bodies.
Right hand spiral polished flutes.
Cutting diameter tolerance — plus .001" minus .000".
Shank diameter tolerance — plus .0000" minus .0005".

USE:

The special steel cutting grade of carbide permits the heavy chip loads and speeds required for machining steel — appropriate primary and secondary relief angles.

OPTIONS

Intermediate decimal or metric diameters.
Short shank or undersize diameter or flat shank.
Chamfers or radius end.
Cutting diameter ground down for small step.
Tanged shanks.


Below are the critical dimensions of our Steel Cutting - Straight Shank Counterbores. Please choose the Counterbores that meets your tooling needs.
Tool
Diameter
Dimensions Type 2510
EDP NO.
Price Finished To Modified Tool Diameter
Diameter No. of Flutes Overall Length Modified Diameter Range Price Each - Based on Quantity Ordered
Frac. Dec. Min. Cut Pilot Hole Shank Low High 1 2 3 4 5-7 8-14*
   1/  .2500  .1140  .0938   15/64 3 13/16 251008 $67.70  .2381  .2530 $100.35 $84.05 $78.60 $75.90 $73.15 $70.90
   9/32  .2813  .1140  .0938   17/64 3 13/16 251009 81.45  .2531  .2840 114.05 97.70 92.25 89.60 86.90 84.60
   5/16  .3125  .1140  .0938   19/64 3 13/16 251010 74.10  .2841  .3150 106.70 90.35 84.95 82.25 79.50 77.25
  11/32  .3438  .1140  .0938    5/16 3 13/16 251011 91.25  .3151  .3470 123.90 107.55 102.10 99.45 96.70 94.45
   3/  .3750  .1820  .1563    5/16 3  1/16 251012 76.45  .3471  .3780 106.50 91.50 86.45 84.00 81.50 79.45
  13/32  .4063  .1820  .1563    3/ 3  1/16 251013 86.35  .3781  .4090 116.45 101.40 96.40 93.90 91.40 89.30
   7/16  .4375  .1820  .1563    3/ 3  1/16 251014 78.55  .4091  .4410 108.55 93.55 88.50 86.10 83.55 81.50
  15/32  .4688  .2280  .1875    7/16 3  5/16 251015 95.35  .4411  .4720 125.40 110.35 105.35 102.90 100.35 98.30
   1/  .5000  .2280  .1875    7/16 3  5/16 251016 86.70  .4721  .5030 116.80 101.75 96.70 94.30 91.70 89.65
  17/32  .5313  .2280  .1875    1/ 3  5/16 251017 97.10  .5031  .5340 127.15 112.15 107.10 104.65 102.10 100.05
   9/16  .5625  .2280  .1875    1/ 3  5/16 251018 88.30  .5341  .5660 118.40 103.30 98.35 95.80 93.35 91.25
  19/32  .5938  .2280  .1875    1/ 3  1/ 251019 99.75  .5661  .5970 129.85 114.80 109.80 107.30 104.80 102.70
   5/  .6250  .2280  .1875    1/ 3  1/ 251020 90.65  .5971  .6280 120.75 105.75 100.70 98.25 95.65 93.60
  21/32  .6563  .2280  .1875    1/ 3  1/ 251021 105.30  .6281  .6590 135.40 120.35 115.30 112.90 110.30 108.25
  11/16  .6875  .2280  .1875    1/ 3  1/ 251022 95.65  .6591  .6910 125.80 110.70 105.75 103.20 100.70 98.60
  23/32  .7188  .2900  .2500    1/ 3  3/ 251023 107.05  .6911  .7220 137.15 122.10 117.10 114.65 112.10 110.05
   3/  .7500  .2900  .2500    1/ 3  3/ 251024 97.30  .7221  .7530 127.35 112.30 107.30 104.85 102.25 100.20
  25/32  .7813  .2900  .2500    5/ 3  3/ 251025 108.85  .7531  .7840 138.90 123.90 118.85 116.35 113.85 111.80
  13/16  .8125  .2900  .2500    5/ 3  3/ 251026 99.00  .7841  .8160 129.05 114.05 109.05 106.50 104.00 101.95
  27/32  .8438  .2900  .2500    3/ 3  3/ 251027 114.45  .8161  .8470 144.60 129.55 124.55 122.05 119.55 117.45
   7/  .8750  .2900  .2500    3/ 3  3/ 251028 104.05  .8471  .8780 134.15 119.05 114.10 111.60 109.10 107.00
  29/32  .9063  .2900  .2500    3/ 3  1/ 251029 117.60  .8781  .9090 147.65 132.60 127.65 125.10 122.60 120.55
  15/16  .9375  .2900  .2500    3/ 3  1/ 251030 106.90  .9091  .9410 136.95 121.90 116.90 114.40 111.95 109.85
  31/32  .9688  .3530  .3125    3/ 3  3/ 251031 120.30  .9411  .9720 150.35 135.35 130.35 127.85 125.25 123.20
        1.0000  .3530  .3125    3/ 3  3/ 251032 113.50  .9721 1.0030 144.75 129.15 123.90 121.35 118.65 116.55
 1/16 1.0625  .3530  .3125    3/ 3  3/ 251034 115.00 1.0031 1.0660 146.15 130.55 125.35 122.80 120.15 118.00
 1/ 1.1250  .3530  .3125         3  3/ 251036 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  3/ 251038 122.65 1.1281 1.1905 153.95 138.30 133.05 130.50 127.85 125.75
 1/ 1.2500  .4260  .3750         4  5/ 251040 136.35 1.1906 1.2530 170.20 153.25 147.65 144.85 142.00 139.65
 5/16 1.3125  .4260  .3750         4  5/ 251042 146.15 1.2531 1.3155 180.10 163.05 157.50 154.65 151.85 149.50
 3/ 1.3750  .4260  .3750         4  5/ 251044 153.15 1.3156 1.3780 187.00 170.10 164.45 161.65 158.80 156.45
 7/16 1.4375  .4260  .3750  1/ 4  7/ 251046 170.35 1.3781 1.4405 207.20 188.80 182.60 179.60 176.50 173.95
 1/ 1.5000  .4260  .3750  1/ 4  7/ 251048 188.90 1.4406 1.5030 225.75 207.30 201.20 198.15 195.10 192.50
 9/16 1.5625  .4890  .4375  1/ 4  1/ 251050 202.95 1.5031 1.5660 241.50 222.25 215.90 212.65 209.40 206.80
 5/ 1.6250  .4890  .4375  1/ 4  1/ 251052 206.60 1.5661 1.6280 245.15 225.90 219.50 216.25 213.00 210.45
11/16 1.6875  .4890  .4375  1/ 4  1/ 251054 247.20 1.6281 1.6910 288.85 268.05 261.15 257.70 254.15 251.30
 3/ 1.7500  .4890  .4375  1/ 4  1/ 251056 247.20 1.6911 1.7530 288.85 268.05 261.15 257.70 254.15 251.30
13/16 1.8125  .4890  .4375  1/ 4  1/ 251058 292.60 1.7531 1.8160 334.20 313.40 306.45 303.00 299.50 296.60
 7/ 1.8750  .4890  .4375  1/ 4  1/ 251060 292.60 1.8161 1.8780 334.20 313.40 306.45 303.00 299.50 296.60
15/16 1.9375  .4890  .4375  1/ 4  1/ 251062 319.65 1.8781 1.9410 361.30 340.50 333.50 330.15 326.65 323.75
        2.0000  .5510  .5000  1/ 4  3/ 251064 319.65 1.9411 2.0030 361.30 340.50 333.50 330.15 326.65 323.75
* Quantities of 15 or more - price of fractional size in same size range
Don't see the Steel Cutting - Straight Shank Counterbores you need?
If the above dimensions do not meet your specific Steel Cutting - Straight Shank Counterbores needs we may be able to make modifications to one of the above Steel Cutting - Straight 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 Steel Cutting - Straight Shank Counterbores you requested.
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