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*
   1/2   .5000    7/32  .1875    5/8  RB 3    3/4  2  7/8  57816 $114.10  .4721  .5030 $166.80 $140.50 $131.65 $127.30 $122.90 $119.25
   9/16  .5625    7/32  .1875    5/8  RB 3    3/4  2  7/8  57818 114.10  .5341  .5660 166.80 140.50 131.65 127.30 122.90 119.25
   5/8   .6250    7/32  .1875    5/8  RB 3    3/4  2  7/8  57820 114.10  .5971  .6280 166.80 140.50 131.65 127.30 122.90 119.25
  11/16  .6875   19/64  .2500    5/8  RB 3    3/4  2  7/8  57822 114.10  .6591  .6910 166.80 140.50 131.65 127.30 122.90 119.25
   3/4   .7500   19/64  .2500    5/8  RB 4    3/4  2  7/8  57824 114.10  .7221  .7530 166.80 140.50 131.65 127.30 122.90 119.25
  13/16  .8125   19/64  .2500    5/8  RB 4    3/4  2  7/8  57826 116.25  .7841  .8160 168.95 142.60 133.85 129.50 125.10 121.40
   7/8   .8750   19/64  .2500    5/8  RB 4    3/4  2  7/8  57828 116.25  .8471  .8780 168.95 142.60 133.85 129.50 125.10 121.40
  15/16  .9375   19/64  .2500    5/8  RB 4    3/4  2  7/8  57830 123.05  .9091  .9410 175.75 149.45 140.60 136.25 131.85 128.20
1         1.0000   19/64  .2500    5/8  RB 4    3/4  2  7/8  57832 123.05  .9721 1.0030 175.75 149.45 140.60 136.25 131.85 128.20
1         1.0000   23/64  .3125    3/4  RC 4    3/4  2  7/8  57833 125.20  .9721 1.0030 177.90 151.60 142.80 138.45 134.00 130.40
1  1/16 1.0625   23/64  .3125    3/4  RC 4    3/4  2  7/8  57834 125.20 1.0031 1.0660 177.90 151.60 142.80 138.45 134.00 130.40
1  1/8  1.1250   23/64  .3125    3/4  RC 4    3/4  2  7/8  57836 125.20 1.0661 1.1280 177.90 151.60 142.80 138.45 134.00 130.40
1  3/16 1.1875   23/64  .3125    3/4  RC 4    3/4  2  7/8  57838 134.00 1.1281 1.1905 186.70 160.40 151.60 147.25 142.85 139.20
1  1/4  1.2500   23/64  .3125    3/4  RC 4    3/4  2  7/8  57840 134.00 1.1906 1.2530 186.70 160.40 151.60 147.25 142.85 139.20
1  5/16 1.3125   23/64  .3125    3/4  RC 4    3/4  2  7/8  57842 134.00 1.2531 1.3155 186.70 160.40 151.60 147.25 142.85 139.20
1  3/8  1.3750   23/64  .3125 1         RE 4    3/4  3         57845 145.35 1.3151 1.3780 198.00 171.70 162.85 158.50 154.10 150.45
1  3/8  1.3750   23/64  .3125    3/4  RC 4    3/4  2  7/8  57844 134.00 1.3156 1.3780 186.70 160.40 151.60 147.25 142.85 139.20
1  1/2  1.5000   23/64  .3125 1         RE 4    1/2  3         57848 163.10 1.4406 1.5030 215.80 189.50 180.70 176.35 171.95 168.30
1  1/2  1.5000   31/64  .4375 1  1/8  RF 4    1/2  3  1/16 57849 169.75 1.4406 1.5030 222.50 196.15 187.35 183.00 178.60 174.95
1  5/8  1.6250   23/64  .3125 1         RE 4    1/2  3         57852 169.75 1.5661 1.6280 222.50 196.15 187.35 183.00 178.60 174.95
1  5/8  1.6250   31/64  .4375 1  1/8  RF 4    1/2  3  1/16 57853 174.35 1.5661 1.6280 227.10 200.75 191.95 187.60 183.20 179.55
1  3/4  1.7500   31/64  .4375 1  1/8  RF 6    1/2  3  1/16 57856 214.35 1.6911 1.7530 267.05 240.75 231.95 227.60 223.20 219.55
1  7/8  1.8750   31/64  .4375 1  1/8  RF 6    1/2  3  1/16 57860 225.65 1.8161 1.8780 278.35 252.00 243.20 238.85 234.45 230.80
2         2.0000   31/64  .4375 1  1/8  RF 6    1/2  3  1/16 57864 245.75 1.9411 2.0030 298.50 272.15 263.35 259.00 254.60 250.95
2         2.0000    9/16  .5000 1  3/8  RJ 6    1/2  3  1/16 57865 245.75 1.9411 2.0030 298.50 272.15 263.35 259.00 254.60 250.95
2  1/8  2.1250    9/16  .5000 1  3/8  RJ 6    1/2  3  1/16 57868 252.45 2.0661 2.1280 305.15 278.85 270.05 265.70 261.30 257.65
2  1/4  2.2500    9/16  .5000 1  3/8  RJ 6    1/2  3  1/16 57872 263.50 2.1906 2.2530 316.25 289.90 281.10 276.75 272.35 268.70
2  3/8  2.3750    9/16  .5000 1  3/8  RJ 6    1/2  3  1/16 57876 278.15 2.3156 2.3780 332.85 305.55 296.35 291.90 287.25 283.45
2  1/2  2.5000    9/16  .5000 1  3/8  RJ 6    1/2  3  1/16 57880 289.85 2.4406 2.5030 344.60 317.25 308.10 303.60 299.05 295.25
2  5/8  2.6250    9/16  .5000 1  3/8  RJ 6    1/2  3  1/16 57884 296.55 2.5661 2.6280 351.30 323.95 314.80 310.30 305.75 301.95
2  3/4  2.7500    9/16  .5000 1  3/4  RS 6    1/2  3  1/8  57888 301.30 2.6911 2.7530 356.00 328.70 319.55 315.05 310.50 306.70
2  7/8  2.8750    9/16  .5000 1  3/4  RS 6    1/2  3  1/8  57892 317.65 2.8161 2.8780 372.30 344.95 335.85 331.30 326.75 322.95
3         3.0000    9/16  .5000 1  3/4  RS 6    1/2  3  1/8  57896 340.80 2.9411 3.0030 395.45 368.15 359.00 354.50 349.90 346.10
* Quantities of 15 or more - price of fractional size in same size range

The specifications of the Stub Length Counterbores listed above are only the dimensions that are critical to the application. Please choose the Counterbores that meet your specific needs.

Everyone at Hannibal would like to THANK YOU for the privilege of servicing your Stub Length Counterbores needs.