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 $88.90  .4721  .5030 $123.35 $106.05 $100.40 $97.50 $94.60 $92.30
  17/32  .5313  .2280  .1875    1/ 4  5/16 251217 100.60  .5031  .5340 135.05 117.90 112.15 109.30 106.35 103.95
   9/16  .5625  .2280  .1875    1/ 4  5/16 251218 91.50  .5341  .5660 126.00 108.70 103.00 100.10 97.25 94.80
  19/32  .5938  .2280  .1875    1/ 4  1/ 251219 101.70  .5661  .5970 136.10 118.90 113.20 110.30 107.35 105.00
   5/  .6250  .2280  .1875    1/ 4  1/ 251220 92.40  .5971  .6280 126.85 109.55 103.85 101.05 98.10 95.75
  21/32  .6563  .2280  .1875    1/ 4  1/ 251221 107.60  .6281  .6590 142.00 124.85 119.05 116.20 113.35 110.95
  11/16  .6875  .2280  .1875    1/ 4  1/ 251222 97.85  .6591  .6910 132.35 115.05 109.35 106.55 103.65 101.20
  23/32  .7188  .2900  .2500    1/ 4  3/ 251223 110.15  .6911  .7220 144.50 127.35 121.60 118.85 115.85 113.50
   3/  .7500  .2900  .2500    1/ 4  3/ 251224 100.05  .7221  .7530 134.55 117.30 111.55 108.70 105.85 103.40
  25/32  .7813  .2900  .2500    5/ 4  3/ 251225 112.50  .7531  .7840 146.90 129.65 123.95 121.10 118.15 115.80
  13/16  .8125  .2900  .2500    5/ 4  3/ 251226 102.15  .7841  .8160 136.60 119.35 113.65 110.75 107.95 105.55
  27/32  .8438  .2900  .2500    3/ 4  3/ 251227 119.10  .8161  .8470 153.60 136.30 130.65 127.75 124.90 122.45
   7/  .8750  .2900  .2500    3/ 4  3/ 251228 108.30  .8471  .8780 142.80 125.55 119.85 116.95 114.05 111.65
  29/32  .9063  .2900  .2500    3/ 4  1/ 251229 121.50  .8781  .9090 156.05 138.75 133.00 130.25 127.30 124.95
  15/16  .9375  .2900  .2500    3/ 4  1/ 251230 110.55  .9091  .9410 145.05 127.75 122.05 119.20 116.25 113.90
  31/32  .9688  .3530  .3125    3/ 4  3/ 251231 125.05  .9411  .9720 159.50 142.25 136.55 133.70 130.80 128.45
        1.0000  .3530  .3125    3/ 4  3/ 251232 113.70  .9721 1.0030 148.20 130.90 125.15 122.35 119.45 117.05
 1/16 1.0625  .3530  .3125    3/ 4  3/ 251234 114.90 1.0031 1.0660 149.40 132.10 126.35 123.60 120.65 118.25
 1/ 1.1250  .3530  .3125         4  3/ 251236 117.90 1.0661 1.1280 152.30 135.05 129.40 126.45 123.60 121.25
 3/16 1.1875  .3530  .3125         4  3/ 251238 123.05 1.1281 1.1905 157.50 140.35 134.60 131.75 128.80 126.45
* 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.