COUNTERBORES — CARBIDE TIPPED

FOUR FLUTES — STRAIGHT SHANK

TYPE 2512 — FOUR FLUTES — STRAIGHT SHANK

For machining cast iron, non ferrous materials, composites, plastics and non-metals.
Right spiral polished flutes.
Carbide tips brazed to hardened alloy steel bodies.
Cutting diameter tolerance — plus .001", minus .000".
Shank diameter tolerance — plus .0000", minus .0005".

OPTIONS

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


Below are the critical dimensions of our Four Flutes - Straight Shank Counterbores. Please choose the Counterbores that meets your tooling needs.
Tool
Diameter
Dimensions Type 2512
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/  .5000  .2280  .1875    7/16 4  5/16 251216 $105.15  .4721  .5030 $145.85 $125.40 $118.75 $115.30 $111.90 $109.15
  17/32  .5313  .2280  .1875    1/ 4  5/16 251217 118.95  .5031  .5340 159.75 139.45 132.60 129.30 125.75 122.95
   9/16  .5625  .2280  .1875    1/ 4  5/16 251218 108.20  .5341  .5660 149.00 128.55 121.80 118.35 115.00 112.10
  19/32  .5938  .2280  .1875    1/ 4  1/ 251219 120.25  .5661  .5970 160.95 140.60 133.85 130.45 126.95 124.20
   5/  .6250  .2280  .1875    1/ 4  1/ 251220 109.30  .5971  .6280 150.00 129.55 122.80 119.50 116.00 113.25
  21/32  .6563  .2280  .1875    1/ 4  1/ 251221 127.20  .6281  .6590 167.95 147.65 140.80 137.45 134.05 131.20
  11/16  .6875  .2280  .1875    1/ 4  1/ 251222 115.70  .6591  .6910 156.50 136.10 129.35 126.00 122.60 119.65
  23/32  .7188  .2900  .2500    1/ 4  3/ 251223 130.25  .6911  .7220 170.90 150.60 143.80 140.55 137.00 134.25
   3/  .7500  .2900  .2500    1/ 4  3/ 251224 118.30  .7221  .7530 159.15 138.75 131.90 128.55 125.15 122.25
  25/32  .7813  .2900  .2500    5/ 4  3/ 251225 133.05  .7531  .7840 173.70 153.30 146.60 143.20 139.70 136.95
  13/16  .8125  .2900  .2500    5/ 4  3/ 251226 120.80  .7841  .8160 161.55 141.15 134.40 130.95 127.65 124.85
  27/32  .8438  .2900  .2500    3/ 4  3/ 251227 140.85  .8161  .8470 181.65 161.20 154.50 151.10 147.70 144.85
   7/  .8750  .2900  .2500    3/ 4  3/ 251228 128.10  .8471  .8780 168.85 148.50 141.75 138.30 134.90 132.05
  29/32  .9063  .2900  .2500    3/ 4  1/ 251229 143.70  .8781  .9090 184.50 164.10 157.30 154.00 150.55 147.75
  15/16  .9375  .2900  .2500    3/ 4  1/ 251230 130.75  .9091  .9410 171.55 151.10 144.35 140.95 137.50 134.70
  31/32  .9688  .3530  .3125    3/ 4  3/ 251231 147.90  .9411  .9720 188.60 168.20 161.45 158.10 154.70 151.90
        1.0000  .3530  .3125    3/ 4  3/ 251232 134.45  .9721 1.0030 175.30 154.80 148.00 144.65 141.25 138.40
 1/16 1.0625  .3530  .3125    3/ 4  3/ 251234 135.85 1.0031 1.0660 176.70 156.20 149.40 146.20 142.65 139.85
 1/ 1.1250  .3530  .3125         4  3/ 251236 139.45 1.0661 1.1280 180.10 159.75 153.05 149.55 146.20 143.35
 3/16 1.1875  .3530  .3125         4  3/ 251238 145.55 1.1281 1.1905 186.25 166.00 159.20 155.80 152.35 149.55
* Quantities of 15 or more - price of fractional size in same size range
Don't see the Four Flutes - Straight Shank Counterbores you need?
If the above dimensions do not meet your specific Four Flutes - Straight Shank Counterbores needs we may be able to make modifications to one of the above Four Flutes - 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 Four Flutes - Straight Shank Counterbores you requested.
Thank you for using Rock River Tool for your Four Flutes - Straight Shank Counterbores needs.