Fractional | Metric


TOOL SELECTOR
CHIP
CLASS		MATERIAL MACHINEDTOOL TYPE
 20  NON-FERROUS - LONG CHIPS  516 or 518 
 40  NON-FERROUS - SHORT CHIPS  516 or 518 
 60  CAST IRONS  516 or 518 
 80  LOW STRENGTH STEELS  511 
 100  MEDIUM STRENGTH STEELS  511 
 120  HIGH STRENGTH STEELS  511 
 140  HIGH TEMPERATURE ALLOYS  516 or 518

Type 518 Fractional - Four Flutes - Taper Shank
Carbide Tipped
  • Right spiral flutes
  • Carbide tips brazed to tough hardened alloy steel body
  • Tool diameter tolerance: plus .001", minus .000"
  • Geometry and carbide grade appropriate for material being machined
  • Carbide tips brazed to tough hardened alloy steel body
  • Precision ground cutting edges
  • USCTI
  • Taper Shank No. refers to American Standard taper series (formerly Morse taper series) per ASME/ANSI B5.10
 		  Modifications: (Prompt delivery)
  • Modified tool diameter - priced below
  • Cutting diameter reduced for step
  • Corner chamfer or corner radius
  • Shank whistle notch for set screw
  • Smaller taper shank
  • Coatings available:
    •  TITANIUM NITRIDE - TiN 
     TITANIUM CARBONITRIDE - TiCN 
     ZIRCONIUM NITRIDE - ZrN 
     AL TITANIUM NITRIDE - AITiN 
Below is a list of standard Taper Shank Counterbores offered by Hannibal Carbide Tool. If you do not see the Taper 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 Taper 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 518
EDP NO.		 Fractional
Price		 Finished To Modified Tool Diameter
Diameter Taper Shank No. No. of Flutes Overall Length Modified Diameter Range Price Each - Based on Quantity Ordered
Frac. Dec. Min. Cut Pilot Hole Low High 1 2 3 4 5-7 8-14*
   1/2   .5000  .2280  .1875 1 4 4  5/16 51816 $121.80  .4721  .5030 $164.15 $142.95 $135.80 $132.50 $128.80 $125.95
  17/32  .5313  .2280  .1875 1 4 4  5/16 51817 136.40  .5031  .5340 178.65 157.50 150.45 147.00 143.40 140.55
   9/16  .5625  .2280  .1875 1 4 4  5/16 51818 124.05  .5341  .5660 166.30 145.15 138.20 134.60 131.15 128.25
  19/32  .5938  .2280  .1875 2 4 5  1/8  51819 140.15  .5661  .5970 182.45 161.30 154.30 150.75 147.25 144.30
   5/8   .6250  .2280  .1875 2 4 5  1/8  51820 127.40  .5971  .6280 169.55 148.55 141.45 138.10 134.35 131.50
  21/32  .6563  .2280  .1875 2 4 5  1/8  51821 147.95  .6281  .6590 190.25 169.15 162.00 158.65 155.00 152.10
  11/16  .6875  .2280  .1875 2 4 5  1/8  51822 134.35  .6591  .6910 176.75 155.50 148.55 145.00 141.45 138.55
  23/32  .7188  .2900  .2500 2 4 5  3/8  51823 150.40  .6911  .7220 192.65 171.55 164.50 161.10 157.45 154.60
   3/4   .7500  .2900  .2500 2 4 5  3/8  51824 136.75  .7221  .7530 178.90 157.85 150.75 147.35 143.70 140.70
  25/32  .7813  .2900  .2500 2 4 5  3/8  51825 153.00  .7531  .7840 195.15 174.10 166.95 163.50 159.95 157.10
  13/16  .8125  .2900  .2500 2 4 5  3/8  51826 139.05  .7841  .8160 181.30 160.20 153.20 149.60 146.10 143.20
  27/32  .8438  .2900  .2500 2 4 5  3/8  51827 160.75  .8161  .8470 203.10 182.00 174.95 171.50 167.95 165.00
   7/8   .8750  .2900  .2500 2 4 5  3/8  51828 146.20  .8471  .8780 188.45 167.30 160.35 156.75 153.25 150.30
  29/32  .9063  .2900  .2500 3 4 6  1/8  51829 165.20  .8781  .9090 207.40 186.25 179.35 175.70 172.25 169.35
  15/16  .9375  .2900  .2500 3 4 6  1/8  51830 150.15  .9091  .9410 192.40 171.30 164.25 160.70 157.30 154.35
  31/32  .9688  .3530  .3125 3 4 6  3/8  51831 169.05  .9411  .9720 211.25 190.20 183.10 179.65 176.00 173.05
1         1.0000  .3530  .3125 3 4 6  3/8  51832 159.45  .9721 1.0030 203.35 181.40 174.10 170.55 166.70 163.75
1  1/16 1.0625  .3530  .3125 3 4 6  3/8  51834 161.55 1.0031 1.0660 205.30 183.45 176.15 172.55 168.75 165.80
1  1/8  1.1250  .3530  .3125 3 4 6  3/8  51836 166.65 1.0661 1.1280 210.55 188.70 181.20 177.65 173.95 170.95
1  3/16 1.1875  .3530  .3125 3 4 6  3/8  51838 172.30 1.1281 1.1905 216.30 194.30 186.90 183.40 179.65 176.65
* Quantities of 15 or more - price of fractional size in same size range

The specifications of the Taper Shank 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 Taper Shank Counterbores needs.