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 $82.30  .4721  .5030 $114.20 $98.20 $92.95 $90.30 $87.60 $85.45
  17/32  .5313  .2280  .1875    1/ 4  5/16 251217 93.15  .5031  .5340 125.05 109.15 103.85 101.20 98.45 96.25
   9/16  .5625  .2280  .1875    1/ 4  5/16 251218 84.70  .5341  .5660 116.65 100.65 95.35 92.70 90.05 87.80
  19/32  .5938  .2280  .1875    1/ 4  1/ 251219 94.15  .5661  .5970 126.00 110.10 104.80 102.15 99.40 97.20
   5/  .6250  .2280  .1875    1/ 4  1/ 251220 85.55  .5971  .6280 117.45 101.45 96.15 93.55 90.85 88.65
  21/32  .6563  .2280  .1875    1/ 4  1/ 251221 99.65  .6281  .6590 131.50 115.60 110.25 107.60 104.95 102.75
  11/16  .6875  .2280  .1875    1/ 4  1/ 251222 90.60  .6591  .6910 122.55 106.55 101.25 98.65 95.95 93.70
  23/32  .7188  .2900  .2500    1/ 4  3/ 251223 102.00  .6911  .7220 133.80 117.90 112.60 110.05 107.25 105.10
   3/  .7500  .2900  .2500    1/ 4  3/ 251224 92.65  .7221  .7530 124.60 108.60 103.30 100.65 98.00 95.75
  25/32  .7813  .2900  .2500    5/ 4  3/ 251225 104.15  .7531  .7840 136.00 120.05 114.75 112.15 109.40 107.20
  13/16  .8125  .2900  .2500    5/ 4  3/ 251226 94.60  .7841  .8160 126.50 110.50 105.25 102.55 99.95 97.75
  27/32  .8438  .2900  .2500    3/ 4  3/ 251227 110.30  .8161  .8470 142.20 126.20 120.95 118.30 115.65 113.40
   7/  .8750  .2900  .2500    3/ 4  3/ 251228 100.30  .8471  .8780 132.20 116.25 110.95 108.30 105.60 103.40
  29/32  .9063  .2900  .2500    3/ 4  1/ 251229 112.50  .8781  .9090 144.50 128.45 123.15 120.60 117.85 115.70
  15/16  .9375  .2900  .2500    3/ 4  1/ 251230 102.35  .9091  .9410 134.30 118.30 113.00 110.35 107.65 105.45
  31/32  .9688  .3530  .3125    3/ 4  3/ 251231 115.80  .9411  .9720 147.70 131.70 126.45 123.80 121.10 118.95
        1.0000  .3530  .3125    3/ 4  3/ 251232 105.30  .9721 1.0030 137.20 121.20 115.90 113.30 110.60 108.40
 1/16 1.0625  .3530  .3125    3/ 4  3/ 251234 106.40 1.0031 1.0660 138.35 122.30 117.00 114.45 111.70 109.50
 1/ 1.1250  .3530  .3125         4  3/ 251236 109.15 1.0661 1.1280 141.00 125.05 119.80 117.10 114.45 112.25
 3/16 1.1875  .3530  .3125         4  3/ 251238 113.95 1.1281 1.1905 145.85 129.95 124.65 122.00 119.25 117.10
* 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.