Fractional


TOOL SELECTOR
CHIP
CLASS
MATERIAL MACHINEDTOOL TYPE
 20  NON-FERROUS - LONG CHIPS  577 
 40  NON-FERROUS - SHORT CHIPS  577 
 60  CAST IRONS  577 
 80  LOW STRENGTH STEELS  578 
 100  MEDIUM STRENGTH STEELS  578 
 120  HIGH STRENGTH STEELS  578 
 140  HIGH TEMPERATURE ALLOYS  577

Type 578 Fractional - For Steels
Carbide Tipped
  • 10ยบ right spiral flutes
  • Body length 1 1/2"
  • Tool diameter tolerance: plus .001", minus .000"
  • Counterbore's set screw design accepts short shank pilots or threaded long shank pilots
  • Tool geometry and carbide grade appropriate for material being machined
  Modifications: (Prompt delivery)
  • Modified tool diameter - priced below
  • Metric tool diameter
  • Cutting diameter reduced for step
  • Corner chamfer or corner radius
  • Coatings available:
  •  TITANIUM NITRIDE - TiN 
     TITANIUM CARBONITRIDE - TiCN 
     ZIRCONIUM NITRIDE - ZrN 
     AL TITANIUM NITRIDE - AITiN 
Below is a list of standard Stub Length Counterbores offered by Hannibal Carbide Tool. If you do not see the Stub Length 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 Stub Length Counterbores. For technical assistance with your Counterbores please click here to fill out and submit our HANNIBAL TECHNICAL SUPPORT QUESTIONNAIRE.
Tool Diameter Dimensions Type 578
EDP NO.
Fractional
Price
Finished To Modified Tool Diameter
Diameter Radial Drive Size No. of Flutes Length Modified Diameter Range Price Each - Based on Quantity Ordered
Frac. Dec. Min. Cut Pilot Hole Large Shank Carbide Overall Low High 1 2 3 4 5-7 8-14*
   1/  .5000    7/32  .1875    5/ RB 3    3/  7/ 57816 $131.20  .4721  .5030 $191.80 $161.60 $151.40 $146.40 $141.35 $137.15
   9/16  .5625    7/32  .1875    5/ RB 3    3/  7/ 57818 131.20  .5341  .5660 191.80 161.60 151.40 146.40 141.35 137.15
   5/  .6250    7/32  .1875    5/ RB 3    3/  7/ 57820 131.20  .5971  .6280 191.80 161.60 151.40 146.40 141.35 137.15
  11/16  .6875   19/64  .2500    5/ RB 3    3/  7/ 57822 131.20  .6591  .6910 191.80 161.60 151.40 146.40 141.35 137.15
   3/  .7500   19/64  .2500    5/ RB 4    3/  7/ 57824 131.20  .7221  .7530 191.80 161.60 151.40 146.40 141.35 137.15
  13/16  .8125   19/64  .2500    5/ RB 4    3/  7/ 57826 133.70  .7841  .8160 194.30 164.00 153.85 148.90 143.85 139.60
   7/  .8750   19/64  .2500    5/ RB 4    3/  7/ 57828 133.70  .8471  .8780 194.30 164.00 153.85 148.90 143.85 139.60
  15/16  .9375   19/64  .2500    5/ RB 4    3/  7/ 57830 141.50  .9091  .9410 202.10 171.85 161.70 156.70 151.65 147.45
        1.0000   23/64  .3125    3/ RC 4    3/  7/ 57833 144.00  .9721 1.0030 204.60 174.35 164.20 159.20 154.10 149.95
        1.0000   19/64  .2500    5/ RB 4    3/  7/ 57832 141.50  .9721 1.0030 202.10 171.85 161.70 156.70 151.65 147.45
 1/16 1.0625   23/64  .3125    3/ RC 4    3/  7/ 57834 144.00 1.0031 1.0660 204.60 174.35 164.20 159.20 154.10 149.95
 1/ 1.1250   23/64  .3125    3/ RC 4    3/  7/ 57836 144.00 1.0661 1.1280 204.60 174.35 164.20 159.20 154.10 149.95
 3/16 1.1875   23/64  .3125    3/ RC 4    3/  7/ 57838 154.10 1.1281 1.1905 214.70 184.45 174.35 169.35 164.30 160.10
 1/ 1.2500   23/64  .3125    3/ RC 4    3/  7/ 57840 154.10 1.1906 1.2530 214.70 184.45 174.35 169.35 164.30 160.10
 5/16 1.3125   23/64  .3125    3/ RC 4    3/  7/ 57842 154.10 1.2531 1.3155 214.70 184.45 174.35 169.35 164.30 160.10
 3/ 1.3750   23/64  .3125    3/ RC 4    3/  7/ 57844 154.10 1.3156 1.3780 214.70 184.45 174.35 169.35 164.30 160.10
 3/ 1.3750   23/64  .3125         RE 4    3/         57845 167.15 1.3151 1.3780 227.70 197.45 187.30 182.30 177.20 173.00
 1/ 1.5000   23/64  .3125         RE 4    1/         57848 187.55 1.4406 1.5030 248.15 217.90 207.80 202.80 197.75 193.55
 1/ 1.5000   31/64  .4375  1/ RF 4    1/  1/16 57849 195.20 1.4406 1.5030 255.90 225.55 215.45 210.45 205.40 201.20
 5/ 1.6250   23/64  .3125         RE 4    1/         57852 195.20 1.5661 1.6280 255.90 225.55 215.45 210.45 205.40 201.20
 5/ 1.6250   31/64  .4375  1/ RF 4    1/  1/16 57853 200.50 1.5661 1.6280 261.15 230.85 220.75 215.75 210.70 206.50
 3/ 1.7500   31/64  .4375  1/ RF 6    1/  1/16 57856 246.50 1.6911 1.7530 307.10 276.85 266.75 261.75 256.70 252.50
 7/ 1.8750   31/64  .4375  1/ RF 6    1/  1/16 57860 259.50 1.8161 1.8780 320.10 289.80 279.70 274.70 269.60 265.40
        2.0000   31/64  .4375  1/ RF 6    1/  1/16 57864 282.60 1.9411 2.0030 343.30 312.95 302.85 297.85 292.80 288.60
        2.0000    9/16  .5000  3/ RJ 6    1/  1/16 57865 282.60 1.9411 2.0030 343.30 312.95 302.85 297.85 292.80 288.60
 1/ 2.1250    9/16  .5000  3/ RJ 6    1/  1/16 57868 290.30 2.0661 2.1280 350.90 320.70 310.55 305.55 300.50 296.30
 1/ 2.2500    9/16  .5000  3/ RJ 6    1/  1/16 57872 303.00 2.1906 2.2530 363.70 333.40 323.25 318.25 313.20 309.00
 3/ 2.3750    9/16  .5000  3/ RJ 6    1/  1/16 57876 319.85 2.3156 2.3780 382.80 351.30 340.80 335.70 330.35 325.95
 1/ 2.5000    9/16  .5000  3/ RJ 6    1/  1/16 57880 333.35 2.4406 2.5030 396.30 364.85 354.30 349.15 343.90 339.55
 5/ 2.6250    9/16  .5000  3/ RJ 6    1/  1/16 57884 341.05 2.5661 2.6280 404.00 372.55 362.00 356.85 351.60 347.25
 3/ 2.7500    9/16  .5000  3/ RS 6    1/  1/ 57888 346.50 2.6911 2.7530 409.40 378.00 367.50 362.30 357.10 352.70
 7/ 2.8750    9/16  .5000  3/ RS 6    1/  1/ 57892 365.25 2.8161 2.8780 428.15 396.70 386.25 381.00 375.75 371.40
        3.0000    9/16  .5000  3/ RS 6    1/  1/ 57896 391.90 2.9411 3.0030 454.75 423.35 412.85 407.70 402.40 398.00
* Quantities of 15 or more - price of fractional size in same size range