Fractional


TOOL SELECTOR
CHIP
CLASS
MATERIAL MACHINEDTOOL TYPE
 20  NON-FERROUS - LONG CHIPS  432 
 40  NON-FERROUS - SHORT CHIPS  432 / 436 
 60  CAST IRONS  436 
 80  LOW STRENGTH STEELS  438 / 436 
 100  MEDIUM STRENGTH STEELS  438 
 120  HIGH STRENGTH STEELS  438 
 140  HIGH TEMPERATURE ALLOYS  438

National Aerospace Standards - NAS 897
Type 438 Fractional - For Steels & High Temp Alloys
Carbide Tipped
  • Type "C" with short carbide tip
  • Right spiral polished flutes and straight shank
  • Type "C" with flute long carbide
  • Straight polished flutes and taper shank
  • Expansion screw permits expansion of tool diameter for regrinding after wear without reinserting carbide
  • Tool geometry and carbide grade appropriate for material being machined
  • Carbide tips brazed to tough hardened alloy steel body
  • Polished flutes for easy chip flow
  • Precision ground cutting edges
  • Material specific reamer shanks are ground to next smallest shank diameter listed in NAS 897 if tool diameter is within .005" of shank diameter
  Modifications: (Prompt delivery)
  • Modified tool diameter - priced below
  • Metric tool diameter
  • Closer tool diameter tolerance
  • Cutting diameter reduced for step or pilot
  • End chamfer other than 45º
  • End cutting or corner radius
  • Increased / decreased circular margin
  • Increased / decreased tool diameter back taper
  • 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 Material Specific Chucking Reamers offered by Hannibal Carbide Tool. If you do not see the Material Specific Chucking Reamers 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 Material Specific Chucking Reamers. For technical assistance with your Reamers please click here to fill out and submit our HANNIBAL TECHNICAL SUPPORT QUESTIONNAIRE.
Tool Diameter Type 438
EDP NO.
Fractional
Price
Dimensions Finished To Modified Tool Diameter
Max. Shank Diam. No. of Flutes Length Modified Diameter Range Price Each - Based on Quantity Ordered
Frac. Dec. Flute Carbide Overall Low High 1 2 3 4 5-7 8-14*
   3/16  .1875 43806 $65.35  .1805 4  1/    1/  1/  .1770  .2040 $104.00 $84.65 $78.10 $75.10 $71.70 $69.15
   7/32  .2188 43807 65.35  .2075 4  1/    1/          .2041  .2210 104.00 84.65 78.10 75.10 71.70 69.15
  15/64  .2344 4382344 65.35  .2265 4  1/    1/          .2211  .2380 104.00 84.65 78.10 75.10 71.70 69.15
   1/  .2500 43808 65.35  .2405 4  1/    1/          .2381  .2530 104.00 84.65 78.10 75.10 71.70 69.15
   9/32  .2813 43809 65.45  .2485 4  1/    1/          .2531  .2840 104.10 84.85 78.30 75.30 71.95 69.30
   5/16  .3125 43810 65.45  .2792 4  1/    1/          .2841  .3150 104.10 84.85 78.30 75.30 71.95 69.30
  11/32  .3438 43811 72.15  .2792 4  1/    5/          .3151  .3470 110.80 91.50 85.00 81.95 78.55 75.85
   3/  .3750 43812 72.80  .3105 4  3/    5/          .3471  .3780 111.45 92.05 85.55 82.50 79.15 76.55
  13/32  .4063 43813 76.05  .3105 4  3/    5/          .3781  .4090 114.70 95.25 88.85 85.70 82.40 79.80
   7/16  .4375 43814 79.00  .3730 6  3/    5/          .4091  .4410 117.60 98.25 91.75 88.65 85.35 82.75
  15/32  .4688 43815 83.95  .3730 6  3/    5/          .4411  .4720 122.75 103.30 96.80 93.75 90.40 87.85
   1/  .5000 43816 90.45  .4355 6            5/          .4721  .5030 131.75 110.95 104.05 100.75 97.20 94.45
  17/32  .5313 43817 93.20  .4355 6            5/          .5031  .5340 134.40 113.85 106.85 103.50 100.00 97.15
   9/16  .5625 43818 93.20  .4355 6            5/          .5341  .5660 134.40 113.85 106.85 103.50 100.00 97.15
  19/32  .5938 43819 96.05  .4355 6            5/          .5661  .5970 137.30 116.60 109.60 106.40 102.80 100.05
   5/  .6250 43820 96.05  .5615 6  1/    5/          .5971  .6280 137.30 116.60 109.60 106.40 102.80 100.05
  21/32  .6563 43821 99.00  .5615 6  1/    5/          .6281  .6590 140.20 119.50 112.60 109.30 105.70 102.85
  11/16  .6875 43822 105.20  .5615 6  1/    5/          .6591  .6910 146.40 125.65 118.85 115.50 111.95 109.20
  23/32  .7188 43823 106.80  .5615 6  1/    5/          .6911  .7220 147.95 127.40 120.45 117.15 113.55 110.80
   3/  .7500 43824 108.25  .6245 6  1/    3/  1/  .7221  .7530 149.55 128.85 121.95 118.75 115.15 112.30
  25/32  .7813 43825 111.25  .6245 6  1/    3/  1/  .7531  .7840 152.45 131.80 124.90 121.60 118.10 115.25
  13/16  .8125 43826 111.25  .6245 6  1/    3/  1/  .7841  .8160 152.45 131.80 124.90 121.60 118.10 115.25
  27/32  .8438 43827 117.15  .6245 6  1/    3/  1/  .8161  .8470 158.25 137.75 130.80 127.55 123.95 121.10
   7/  .8750 43828 121.55  .7495 6  5/    3/ 10          .8471  .8780 164.40 143.00 135.75 132.30 128.65 125.65
  29/32  .9063 43829 141.65  .7495 6  5/    3/ 10          .8781  .9090 184.40 162.90 155.75 152.40 148.70 145.85
  15/16  .9375 43830 141.65  .7495 8  5/    3/ 10          .9091  .9410 184.40 162.90 155.75 152.40 148.70 145.85
  31/32  .9688 43831 148.55  .7495 8  5/    3/ 10          .9411  .9720 191.45 169.95 162.65 159.30 155.55 152.60
        1.0000 43832 148.55  .8745 8  3/    3/ 10  1/  .9721 1.0030 191.45 169.95 162.65 159.30 155.55 152.60
 1/16 1.0625 43834 159.35  .8745 8  3/    3/ 10  1/ 1.0031 1.0660 202.20 180.70 173.55 170.15 166.55 163.55
 1/ 1.1250 43836 164.30  .8745 8  7/    7/ 11         1.0661 1.1280 207.20 185.65 178.50 175.00 171.40 168.45
 3/16 1.1875 43838 172.60  .9995 8  7/    7/ 11         1.1281 1.1905 215.40 193.95 186.80 183.45 179.65 176.75
 1/ 1.2500 43840 182.80  .9995 8            7/ 11  1/ 1.1906 1.2530 225.65 204.15 197.05 193.45 189.85 186.95
 5/16 1.3125 43842 202.20  .9995 8            7/ 11  1/ 1.2531 1.3155 245.00 223.50 216.45 213.00 209.30 206.45
 3/ 1.3750 43844 221.40  .9995 8  1/    7/ 12         1.3156 1.3780 264.30 242.85 235.65 232.20 228.55 225.70
 7/16 1.4375 43846 234.70  .9995 8  1/    7/ 12         1.3781 1.4405 277.50 256.00 248.90 245.50 241.70 238.85
 1/ 1.5000 43848 247.90 1.2495 8  1/    7/ 12  1/ 1.4406 1.5030 290.70 269.25 262.00 258.65 254.95 252.00
* Quantities of 15 or more - price of fractional size in same size range