CORE DRILLS — CARBIDE TIPPED

STRAIGHT SHANK — FRACTIONAL SIZES

TYPE 2620 — STRAIGHT SHANK — FRACTIONAL SIZES

Cutting diameter tolerance plus .000" minus .001".
Carbide tips brazed to one piece hardened tool steel bodies.
Large right spiral flute capacity permits higher feeds and speeds.
118ยบ included chamfer angle.

USE:

Core drills are designed for economically enlarging cored, punched or drilled holes, removing up to 30% of the hole diameter.
The balanced cutting action of the core drill removes considerably more material than a reamer, often eliminating the need for a final reaming or boring operation.
For cast iron, non-ferrous metals, some steels, composites, plastics and non-metals.

OPTIONS

Intermediate decimal & metric sizes — see priced table below.
Special point angles.


Below are the critical dimensions of our Core Drills. Please choose the Drills that meets your tooling needs.
Tool
Diameter
Dimensions Type 2620
EDP NO.
Price Finished To Modified Tool Diameter
Diameter Length Modified Diameter Range Price Each - Based on Quantity Ordered
Frac. Dec. Min. Cut Shank Flute Carbide Overall Low High 1 2 3 4 5-7 8-14**
   3/ *  .3750  .2620    3/  1/    5/  3/ 262012 $89.25  .3471  .3780 $121.85 $105.45 $100.05 $97.45 $94.60 $92.50
  13/32 *  .4063  .2840   13/32  5/    5/         262013 89.25  .3781  .4090 121.85 105.45 100.05 97.45 94.60 92.50
   7/16 *  .4375  .3060    7/16  7/    3/  1/ 262014 89.25  .4091  .4410 121.85 105.45 100.05 97.45 94.60 92.50
  15/32 *  .4688  .3280   15/32  1/    3/  1/ 262015 89.25  .4411  .4720 121.85 105.45 100.05 97.45 94.60 92.50
   1/  .5000  .3500    1/  3/    3/  1/ 262016 89.25  .4721  .5030 121.85 105.45 100.05 97.45 94.60 92.50
  17/32  .5313  .3720   17/32  3/    3/  1/ 262017 89.60  .5031  .5340 122.30 105.95 100.40 97.85 95.05 92.80
   9/16  .5625  .3940    9/16  3/    3/  1/ 262018 89.60  .5341  .5660 122.30 105.95 100.40 97.85 95.05 92.80
  19/32  .5938  .4160   19/32  3/    3/  1/ 262019 94.10  .5661  .5970 126.70 110.35 104.95 102.30 99.55 97.35
   5/  .6250  .4380    5/  3/    3/  1/ 262020 94.10  .5971  .6280 126.70 110.35 104.95 102.30 99.55 97.35
  21/32  .6563  .4590   21/32  3/    3/  1/ 262021 95.20  .6281  .6590 127.85 111.50 106.05 103.40 100.70 98.45
  11/16  .6875  .4810   11/16  3/    7/  1/ 262022 96.05  .6591  .6910 128.70 112.35 106.85 104.25 101.50 99.20
  23/32  .7188  .5030   23/32  3/    7/  1/ 262023 96.05  .6911  .7220 128.70 112.35 106.85 104.25 101.50 99.20
   3/  .7500  .5250    3/  3/    7/  1/ 262024 96.05  .7221  .7530 128.70 112.35 106.85 104.25 101.50 99.20
  25/32  .7813  .5470   25/32  3/    7/  1/ 262025 98.15  .7531  .7840 130.80 114.45 109.00 106.40 103.60 101.40
  13/16  .8125  .5690   13/16  7/    7/  1/ 262026 100.90  .7841  .8160 133.55 117.20 111.70 109.15 106.25 104.15
  27/32  .8438  .5910   27/32  7/    7/  1/ 262027 106.25  .8161  .8470 138.95 122.60 117.15 114.50 111.70 109.50
   7/  .8750  .6120    7/  7/    7/  1/ 262028 106.25  .8471  .8780 138.95 122.60 117.15 114.50 111.70 109.50
  29/32  .9063  .6340   29/32  7/    7/  1/ 262029 106.95  .8781  .9090 139.60 123.30 117.75 115.20 112.40 110.20
  15/16  .9375  .6560   15/16  7/    7/  1/ 262030 106.95  .9091  .9410 139.60 123.30 117.75 115.20 112.40 110.20
  31/32  .9688  .6780   31/32  7/    7/  1/ 262031 110.95  .9411  .9720 143.50 127.15 121.75 119.15 116.30 114.15
        1.0000  .7000          7/    7/  1/ 262032 113.00  .9721 1.0030 145.65 129.30 123.75 121.20 118.40 116.20
 1/32 1.0313  .7220  1/32  7/    7/  1/ 262033 113.95 1.0031 1.0340 146.55 130.15 124.75 122.10 119.35 117.15
 1/16 1.0625  .7440  1/16  7/    7/  1/ 262034 115.50 1.0341 1.0660 148.20 131.80 126.35 123.70 120.90 118.70
 3/32 1.0938  .7660  3/32  7/         10  1/ 262035 134.55 1.0661 1.0970 167.15 150.85 145.35 142.80 139.95 137.75
 1/ 1.1250  .7870  1/  7/         10  1/ 262036 134.55 1.0971 1.1280 167.15 150.85 145.35 142.80 139.95 137.75
 5/32 1.1563  .8090  5/32  7/         10  1/ 262037 146.90 1.1281 1.1590 179.50 163.20 157.75 155.15 152.30 150.10
 3/16 1.1875  .8310  3/16  7/         10  1/ 262038 151.15 1.1591 1.1905 183.75 167.50 161.95 159.35 156.60 154.40
 7/32 1.2188  .8530  7/32  7/         10  1/ 262039 151.70 1.1906 1.2220 184.35 167.95 162.55 159.90 157.10 154.90
 1/ 1.2500    7/  1/  7/         10  1/ 262040 152.30 1.2221 1.2530 184.95 168.60 163.15 160.50 157.75 155.50
 9/32 1.2813  .8970  9/32  7/         10  1/ 262041 163.20 1.2531 1.2840 195.85 179.45 174.05 171.35 168.60 166.35
 5/16 1.3125  .9190  5/16  7/         10  1/ 262042 167.75 1.2841 1.3150 200.40 184.05 178.50 175.95 173.15 170.90
11/32 1.3438  .9400 11/32  7/         10  1/ 262043 171.25 1.3151 1.3470 203.90 187.55 182.05 179.45 176.70 174.40
 3/ 1.3750  .9620  3/  7/         10  1/ 262044 175.40 1.3471 1.3780 208.00 191.70 186.20 183.60 180.85 178.55
13/32 1.4063   63/64 13/32  7/         10  1/ 262045 179.40 1.3781 1.4090 212.05 195.75 190.20 187.60 184.80 182.60
 7/16 1.4375 1.0060  7/16  7/         10  1/ 262046 184.65 1.4091 1.4410 217.30 201.00 195.45 192.85 190.10 187.85
15/32 1.4688 1.0250 15/32  7/         10  1/ 262047 190.15 1.4411 1.4720 222.75 206.40 201.00 198.40 195.50 193.40
 1/ 1.5000 1.0500  1/  7/         10  1/ 262048 194.25 1.4721 1.5030 226.85 210.45 205.05 202.45 199.60 197.50
* 3 flutes
** Quantities of 15 or more - price of fractional size in same size range
Don't see the Core Drills you need?
If the above dimensions do not meet your specific Core Drills needs we may be able to make modifications to one of the above Core Drills 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 Core Drills you requested.
Thank you for using Rock River Tool for your Core Drills needs.