Fractional | Metric


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CHIP
CLASS		MATERIAL MACHINEDTOOL TYPE
 20  NON-FERROUS - LONG CHIPS  514 or 516 
 40  NON-FERROUS - SHORT CHIPS  514 or 516 
 60  CAST IRONS  514 or 516 
 80  LOW STRENGTH STEELS  510 or 511 
 100  MEDIUM STRENGTH STEELS  510 or 511 
 120  HIGH STRENGTH STEELS  510 or 511 
 140  HIGH TEMPERATURE ALLOYS  514 or 516

Type 511 Fractional - Taper Shank For Machining Steels
Carbide Tipped
  • Right spiral flutes
  • Carbide tips brazed to tough hardened alloy steel body
  • Tool diameter tolerance: plus .001", minus .000"
  • Precision ground cutting edges
  • USCTI
  • Taper Shank No. refers to American Standard taper series (formerly Morse taper series) per ASME/ANSI B5.10
  • Steel cutting counterbores have secondary end relief on carbide for increased cutting edge strength
 		  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 
Use:
  • Special steel cutting grade of carbide and appropriate tool geometry permit the machininng of steels, tough steel alloys, and cast steels
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 511
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*
   1/4   .2500  .1140  .0938 1 3 3 13/16 51108 $93.75  .2381  .2530 $139.00 $116.40 $108.85 $105.10 $101.30 $98.20
   9/32  .2813  .1140  .0938 1 3 3 13/16 51109 112.85  .2531  .2840 157.95 135.30 127.80 124.10 120.40 117.15
   5/16  .3125  .1140  .0938 1 3 3 13/16 51110 96.35  .2841  .3150 138.80 117.55 110.55 107.05 103.40 100.50
  11/32  .3438  .1140  .0938 1 3 3 13/16 51111 118.75  .3151  .3470 161.20 139.90 132.80 129.35 125.75 122.85
   3/8   .3750  .1820  .1563 1 3 4  1/16 51112 99.50  .3471  .3780 138.50 119.05 112.45 109.30 106.00 103.35
  13/32  .4063  .1820  .1563 1 3 4  1/16 51113 112.35  .3781  .4090 151.50 131.90 125.45 122.15 118.90 116.20
   7/16  .4375  .1820  .1563 1 3 4  1/16 51114 102.15  .4091  .4410 141.20 121.70 115.15 112.00 108.70 106.00
  15/32  .4688  .2280  .1875 1 3 4  5/16 51115 124.05  .4411  .4720 163.15 143.55 137.05 133.85 130.60 127.90
   1/2   .5000  .2280  .1875 1 3 4  5/16 51116 112.80  .4721  .5030 152.00 132.35 125.75 122.70 119.25 116.60
  17/32  .5313  .2280  .1875 1 3 4  5/16 51117 121.75  .5031  .5340 159.45 140.60 134.30 131.25 128.00 125.45
   9/16  .5625  .2280  .1875 1 3 4  5/16 51118 110.70  .5341  .5660 148.45 129.50 123.30 120.05 117.00 114.35
  19/32  .5938  .2280  .1875 2 3 5  1/8  51119 125.05  .5661  .5970 162.75 143.95 137.65 134.50 131.40 128.70
   5/8   .6250  .2280  .1875 2 3 5  1/8  51120 113.65  .5971  .6280 151.40 132.55 126.25 123.20 119.90 117.35
  21/32  .6563  .2280  .1875 2 3 5  1/8  51121 132.00  .6281  .6590 169.70 150.85 144.55 141.45 138.25 135.75
  11/16  .6875  .2280  .1875 2 3 5  1/8  51122 119.90  .6591  .6910 157.70 138.80 132.55 129.35 126.25 123.55
  23/32  .7188  .2900  .2500 2 3 5  3/8  51123 134.20  .6911  .7220 171.95 153.10 146.85 143.70 140.55 137.95
   3/4   .7500  .2900  .2500 2 3 5  3/8  51124 122.00  .7221  .7530 159.65 140.75 134.50 131.45 128.15 125.60
  25/32  .7813  .2900  .2500 2 3 5  3/8  51125 136.50  .7531  .7840 174.15 155.35 149.05 145.85 142.75 140.15
  13/16  .8125  .2900  .2500 2 3 5  3/8  51126 124.10  .7841  .8160 161.80 142.95 136.70 133.55 130.35 127.80
  27/32  .8438  .2900  .2500 2 3 5  3/8  51127 143.45  .8161  .8470 181.30 162.40 156.10 152.95 149.85 147.20
   7/8   .8750  .2900  .2500 2 3 5  3/8  51128 130.40  .8471  .8780 168.20 149.25 143.05 139.90 136.75 134.10
  29/32  .9063  .2900  .2500 3 3 6  1/8  51129 147.40  .8781  .9090 185.05 166.20 160.00 156.80 153.70 151.10
  15/16  .9375  .2900  .2500 3 3 6  1/8  51130 133.95  .9091  .9410 171.65 152.80 146.50 143.40 140.30 137.70
  31/32  .9688  .3530  .3125 3 3 6  3/8  51131 150.80  .9411  .9720 188.45 169.65 163.35 160.25 156.95 154.45
1         1.0000  .3530  .3125 3 3 6  3/8  51132 142.25  .9721 1.0030 181.50 161.90 155.35 152.15 148.70 146.15
1  1/16 1.0625  .3530  .3125 3 3 6  3/8  51134 144.15 1.0031 1.0660 183.20 163.65 157.15 153.90 150.60 147.95
1  1/8  1.1250  .3530  .3125 3 3 6  3/8  51136 148.65 1.0661 1.1280 187.85 168.35 161.75 158.50 155.20 152.55
1  3/16 1.1875  .3530  .3125 3 3 6  3/8  51138 153.75 1.1281 1.1905 193.00 173.40 166.80 163.60 160.25 157.65
1  1/4  1.2500  .4260  .3750 3 4 6  5/8  51140 170.95 1.1906 1.2530 213.35 192.10 185.05 181.60 178.00 175.10
1  5/16 1.3125  .4260  .3750 3 4 6  5/8  51142 183.20 1.2531 1.3155 225.75 204.45 197.45 193.85 190.35 187.40
1  3/8  1.3750  .4260  .3750 3 4 6  5/8  51144 192.00 1.3156 1.3780 234.40 213.20 206.15 202.65 199.05 196.10
1  7/16 1.4375  .4260  .3750 4 4 7  7/8  51146 213.50 1.3781 1.4405 259.75 236.70 228.90 225.20 221.25 218.05
1  1/2  1.5000  .4260  .3750 4 4 7  7/8  51148 245.70 1.4406 1.5030 293.60 269.70 261.70 257.75 253.75 250.45
1  9/16 1.5625  .4890  .4375 4 4 8  1/8  51150 264.00 1.5031 1.5660 314.15 289.15 280.85 276.60 272.45 269.05
1  5/8  1.6250  .4890  .4375 4 4 8  1/8  51152 268.75 1.5661 1.6280 318.85 293.90 285.50 281.35 277.10 273.75
1 11/16 1.6875  .4890  .4375 4 4 8  1/8  51154 321.55 1.6281 1.6910 375.75 348.70 339.70 335.25 330.60 326.90
1  3/4  1.7500  .4890  .4375 4 4 8  1/8  51156 321.55 1.6911 1.7530 375.75 348.70 339.70 335.25 330.60 326.90
1 13/16 1.8125  .4890  .4375 4 4 8  1/8  51158 380.60 1.7531 1.8160 434.70 407.70 398.65 394.15 389.60 385.80
1  7/8  1.8750  .4890  .4375 4 4 8  1/8  51160 380.60 1.8161 1.8780 434.70 407.70 398.65 394.15 389.60 385.80
1 15/16 1.9375  .4890  .4375 4 4 8  1/8  51162 415.85 1.8781 1.9410 470.05 442.95 433.85 429.45 424.90 421.15
2         2.0000  .5510  .5000 4 4 8  3/8  51164 415.85 1.9411 2.0030 470.05 442.95 433.85 429.45 424.90 421.15
* 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.