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 $74.45  .2381  .2530 $110.40 $92.45 $86.45 $83.50 $80.45 $78.00
   9/32  .2813  .1140  .0938   17/64 3 13/16 251009 89.60  .2531  .2840 125.45 107.45 101.50 98.55 95.60 93.05
   5/16  .3125  .1140  .0938   19/64 3 13/16 251010 81.50  .2841  .3150 117.35 99.40 93.45 90.50 87.45 85.00
  11/32  .3438  .1140  .0938    5/16 3 13/16 251011 100.40  .3151  .3470 136.30 118.30 112.30 109.40 106.35 103.90
   3/  .3750  .1820  .1563    5/16 3  1/16 251012 84.10  .3471  .3780 117.15 100.65 95.10 92.40 89.65 87.40
  13/32  .4063  .1820  .1563    3/ 3  1/16 251013 95.00  .3781  .4090 128.10 111.55 106.05 103.30 100.55 98.25
   7/16  .4375  .1820  .1563    3/ 3  1/16 251014 86.40  .4091  .4410 119.40 102.90 97.35 94.70 91.90 89.65
  15/32  .4688  .2280  .1875    7/16 3  5/16 251015 104.90  .4411  .4720 137.95 121.40 115.90 113.20 110.40 108.15
   1/  .5000  .2280  .1875    7/16 3  5/16 251016 95.35  .4721  .5030 128.50 111.90 106.35 103.75 100.85 98.60
  17/32  .5313  .2280  .1875    1/ 3  5/16 251017 102.95  .5031  .5340 134.80 118.90 113.55 110.95 108.25 106.05
   9/16  .5625  .2280  .1875    1/ 3  5/16 251018 93.60  .5341  .5660 125.50 109.50 104.25 101.55 98.95 96.70
  19/32  .5938  .2280  .1875    1/ 3  1/ 251019 105.75  .5661  .5970 137.65 121.70 116.40 113.75 111.10 108.85
   5/  .6250  .2280  .1875    1/ 3  1/ 251020 96.10  .5971  .6280 128.00 112.10 106.75 104.15 101.40 99.20
  21/32  .6563  .2280  .1875    1/ 3  1/ 251021 111.60  .6281  .6590 143.50 127.55 122.20 119.65 116.90 114.75
  11/16  .6875  .2280  .1875    1/ 3  1/ 251022 101.40  .6591  .6910 133.35 117.35 112.10 109.40 106.75 104.50
  23/32  .7188  .2900  .2500    1/ 3  3/ 251023 113.45  .6911  .7220 145.40 129.45 124.15 121.55 118.85 116.65
   3/  .7500  .2900  .2500    1/ 3  3/ 251024 103.15  .7221  .7530 135.00 119.05 113.75 111.15 108.40 106.20
  25/32  .7813  .2900  .2500    5/ 3  3/ 251025 115.40  .7531  .7840 147.25 131.35 126.00 123.35 120.70 118.50
  13/16  .8125  .2900  .2500    5/ 3  3/ 251026 104.95  .7841  .8160 136.80 120.90 115.60 112.90 110.25 108.05
  27/32  .8438  .2900  .2500    3/ 3  3/ 251027 121.30  .8161  .8470 153.30 137.30 132.00 129.35 126.70 124.50
   7/  .8750  .2900  .2500    3/ 3  3/ 251028 110.30  .8471  .8780 142.20 126.20 120.95 118.30 115.65 113.40
  29/32  .9063  .2900  .2500    3/ 3  1/ 251029 124.65  .8781  .9090 156.50 140.55 135.30 132.60 129.95 127.80
  15/16  .9375  .2900  .2500    3/ 3  1/ 251030 113.30  .9091  .9410 145.15 129.20 123.90 121.25 118.65 116.45
  31/32  .9688  .3530  .3125    3/ 3  3/ 251031 127.50  .9411  .9720 159.35 143.45 138.15 135.50 132.75 130.60
        1.0000  .3530  .3125    3/ 3  3/ 251032 120.30  .9721 1.0030 153.45 136.90 131.35 128.65 125.75 123.55
 1/16 1.0625  .3530  .3125    3/ 3  3/ 251034 121.90 1.0031 1.0660 154.90 138.40 132.85 130.15 127.35 125.10
 1/ 1.1250  .3530  .3125         3  3/ 251036 125.70 1.0661 1.1280 158.85 142.35 136.75 134.05 131.25 129.00
 3/16 1.1875  .3530  .3125         3  3/ 251038 130.00 1.1281 1.1905 163.20 146.60 141.05 138.35 135.50 133.30
 1/ 1.2500  .4260  .3750         4  5/ 251040 144.55 1.1906 1.2530 180.40 162.45 156.50 153.55 150.50 148.05
 5/16 1.3125  .4260  .3750         4  5/ 251042 154.90 1.2531 1.3155 190.90 172.85 166.95 163.95 160.95 158.45
 3/ 1.3750  .4260  .3750         4  5/ 251044 162.35 1.3156 1.3780 198.20 180.30 174.30 171.35 168.35 165.85
 7/16 1.4375  .4260  .3750  1/ 4  7/ 251046 180.55 1.3781 1.4405 219.65 200.15 193.55 190.40 187.10 184.40
 1/ 1.5000  .4260  .3750  1/ 4  7/ 251048 207.80 1.4406 1.5030 248.30 228.05 221.30 217.95 214.60 211.75
 9/16 1.5625  .4890  .4375  1/ 4  1/ 251050 223.25 1.5031 1.5660 265.65 244.50 237.50 233.90 230.35 227.50
 5/ 1.6250  .4890  .4375  1/ 4  1/ 251052 227.25 1.5661 1.6280 269.65 248.50 241.45 237.90 234.30 231.50
11/16 1.6875  .4890  .4375  1/ 4  1/ 251054 271.90 1.6281 1.6910 317.75 294.85 287.25 283.45 279.55 276.45
 3/ 1.7500  .4890  .4375  1/ 4  1/ 251056 271.90 1.6911 1.7530 317.75 294.85 287.25 283.45 279.55 276.45
13/16 1.8125  .4890  .4375  1/ 4  1/ 251058 321.85 1.7531 1.8160 367.60 344.75 337.10 333.30 329.45 326.25
 7/ 1.8750  .4890  .4375  1/ 4  1/ 251060 321.85 1.8161 1.8780 367.60 344.75 337.10 333.30 329.45 326.25
15/16 1.9375  .4890  .4375  1/ 4  1/ 251062 351.60 1.8781 1.9410 397.45 374.55 366.85 363.15 359.30 356.10
        2.0000  .5510  .5000  1/ 4  3/ 251064 351.60 1.9411 2.0030 397.45 374.55 366.85 363.15 359.30 356.10
* 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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