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 $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 51217 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 51218 84.70  .5341  .5660 116.65 100.65 95.35 92.70 90.05 87.80
  19/32  .5938  .2280  .1875    1/ 4  1/ 51219 94.15  .5661  .5970 126.00 110.10 104.80 102.15 99.40 97.20
   5/  .6250  .2280  .1875    1/ 4  1/ 51220 85.55  .5971  .6280 117.45 101.45 96.15 93.55 90.85 88.65
  21/32  .6563  .2280  .1875    1/ 4  1/ 51221 99.65  .6281  .6590 131.50 115.60 110.25 107.60 104.95 102.75
  11/16  .6875  .2280  .1875    1/ 4  1/ 51222 90.60  .6591  .6910 122.55 106.55 101.25 98.65 95.95 93.70
  23/32  .7188  .2900  .2500    1/ 4  3/ 51223 102.00  .6911  .7220 133.80 117.90 112.60 110.05 107.25 105.10
   3/  .7500  .2900  .2500    1/ 4  3/ 51224 92.65  .7221  .7530 124.60 108.60 103.30 100.65 98.00 95.75
  25/32  .7813  .2900  .2500    5/ 4  3/ 51225 104.15  .7531  .7840 136.00 120.05 114.75 112.15 109.40 107.20
  13/16  .8125  .2900  .2500    5/ 4  3/ 51226 94.60  .7841  .8160 126.50 110.50 105.25 102.55 99.95 97.75
  27/32  .8438  .2900  .2500    3/ 4  3/ 51227 110.30  .8161  .8470 142.20 126.20 120.95 118.30 115.65 113.40
   7/  .8750  .2900  .2500    3/ 4  3/ 51228 100.30  .8471  .8780 132.20 116.25 110.95 108.30 105.60 103.40
  29/32  .9063  .2900  .2500    3/ 4  1/ 51229 112.50  .8781  .9090 144.50 128.45 123.15 120.60 117.85 115.70
  15/16  .9375  .2900  .2500    3/ 4  1/ 51230 102.35  .9091  .9410 134.30 118.30 113.00 110.35 107.65 105.45
  31/32  .9688  .3530  .3125    3/ 4  3/ 51231 115.80  .9411  .9720 147.70 131.70 126.45 123.80 121.10 118.95
        1.0000  .3530  .3125    3/ 4  3/ 51232 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/ 51234 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/ 51236 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/ 51238 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