Fractional | Metric


TOOL SELECTOR
CHIP
CLASS
MATERIAL MACHINEDTOOL TYPE
 20  NON-FERROUS - LONG CHIPS  512 or 514 
 40  NON-FERROUS - SHORT CHIPS  512 or 514 
 60  CAST IRONS  512 or 514 
 80  LOW STRENGTH STEELS  510 
 100  MEDIUM STRENGTH STEELS  510 
 120  HIGH STRENGTH STEELS  510 
 140  HIGH TEMPERATURE ALLOYS  512 or 514

Type 512 Fractional - Four Flutes - Straight Shank
Carbide Tipped
  • Right spiral flutes
  • Carbide tips brazed to tough hardened alloy steel body
  • Tool diameter tolerance: plus .001", minus .000"
  • Shank diameter tolerance: plus .0000", minus .0005"
  • Geometry and carbide grade appropriate for material being machined
  • Carbide tips brazed to tough hardened alloy steel body
  • Precision ground cutting edges
  • USCTI
  Modifications: (Prompt delivery)
  • Modified tool diameter - priced below
  • Cutting diameter reduced for step
  • Corner chamfer or corner radius
  • Shortened shank or reduced shank diameter
  • Flat(s) or tang on shank
  • Coatings available:
  •  TITANIUM NITRIDE - TiN 
     TITANIUM CARBONITRIDE - TiCN 
     ZIRCONIUM NITRIDE - ZrN 
     AL TITANIUM NITRIDE - AITiN 
Below is a list of standard Straight Shank Counterbores offered by Hannibal Carbide Tool. If you do not see the Straight Shank Counterbores you are looking for you can click here for our SPECIAL TOOL QUOTE REQUEST FORM and fax (573-221-1140) or email your request to Hannibal. Within 24 hours we will let you know how we can supply your Straight Shank Counterbores. For technical assistance with your Counterbores please click here to fill out and submit our HANNIBAL TECHNICAL SUPPORT QUESTIONNAIRE.
Tool Diameter Dimensions Type 512
EDP NO.
Fractional
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 51216 $77.65  .4721  .5030 $107.75 $92.65 $87.70 $85.20 $82.65 $80.60
  17/32  .5313  .2280  .1875    1/ 4  5/16 51217 87.90  .5031  .5340 117.95 102.95 97.95 95.45 92.90 90.80
   9/16  .5625  .2280  .1875    1/ 4  5/16 51218 79.90  .5341  .5660 110.05 94.95 89.95 87.45 84.95 82.85
  19/32  .5938  .2280  .1875    1/ 4  1/ 51219 88.80  .5661  .5970 118.85 103.85 98.85 96.35 93.75 91.70
   5/  .6250  .2280  .1875    1/ 4  1/ 51220 80.70  .5971  .6280 110.80 95.70 90.70 88.25 85.70 83.65
  21/32  .6563  .2280  .1875    1/ 4  1/ 51221 94.00  .6281  .6590 124.05 109.05 104.00 101.50 99.00 96.95
  11/16  .6875  .2280  .1875    1/ 4  1/ 51222 85.45  .6591  .6910 115.60 100.50 95.50 93.05 90.50 88.40
  23/32  .7188  .2900  .2500    1/ 4  3/ 51223 96.25  .6911  .7220 126.25 111.25 106.25 103.80 101.20 99.15
   3/  .7500  .2900  .2500    1/ 4  3/ 51224 87.40  .7221  .7530 117.55 102.45 97.45 94.95 92.45 90.35
  25/32  .7813  .2900  .2500    5/ 4  3/ 51225 98.25  .7531  .7840 128.30 113.25 108.25 105.80 103.20 101.15
  13/16  .8125  .2900  .2500    5/ 4  3/ 51226 89.25  .7841  .8160 119.35 104.25 99.30 96.75 94.30 92.20
  27/32  .8438  .2900  .2500    3/ 4  3/ 51227 104.05  .8161  .8470 134.15 119.05 114.10 111.60 109.10 107.00
   7/  .8750  .2900  .2500    3/ 4  3/ 51228 94.60  .8471  .8780 124.70 109.65 104.65 102.15 99.60 97.55
  29/32  .9063  .2900  .2500    3/ 4  1/ 51229 106.15  .8781  .9090 136.30 121.20 116.20 113.75 111.20 109.15
  15/16  .9375  .2900  .2500    3/ 4  1/ 51230 96.55  .9091  .9410 126.70 111.60 106.60 104.10 101.55 99.50
  31/32  .9688  .3530  .3125    3/ 4  3/ 51231 109.25  .9411  .9720 139.35 124.25 119.30 116.80 114.25 112.20
        1.0000  .3530  .3125    3/ 4  3/ 51232 99.35  .9721 1.0030 129.45 114.35 109.35 106.90 104.35 102.25
 1/16 1.0625  .3530  .3125    3/ 4  3/ 51234 100.40 1.0031 1.0660 130.50 115.40 110.40 107.95 105.40 103.30
 1/ 1.1250  .3530  .3125         4  3/ 51236 102.95 1.0661 1.1280 133.00 117.95 113.00 110.45 107.95 105.90
 3/16 1.1875  .3530  .3125         4  3/ 51238 107.50 1.1281 1.1905 137.60 122.60 117.60 115.10 112.50 110.45
* Quantities of 15 or more - price of fractional size in same size range