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 $45.95  .1805 4 1  1/8     1/2  4  1/2   .1770  .2040 $73.20 $59.55 $54.95 $52.80 $50.45 $48.65
   7/32  .2188 43807 45.95  .2075 4 1  1/4     1/2  5          .2041  .2210 73.20 59.55 54.95 52.80 50.45 48.65
  15/64  .2344 4382344 45.95  .2265 4 1  1/2     1/2  6          .2211  .2380 73.20 59.55 54.95 52.80 50.45 48.65
   1/4   .2500 43808 45.95  .2405 4 1  1/2     1/2  6          .2381  .2530 73.20 59.55 54.95 52.80 50.45 48.65
   9/32  .2813 43809 46.05  .2485 4 1  1/2     1/2  6          .2531  .2840 73.30 59.70 55.10 52.95 50.55 48.75
   5/16  .3125 43810 46.05  .2792 4 1  1/2     1/2  6          .2841  .3150 73.30 59.70 55.10 52.95 50.55 48.75
  11/32  .3438 43811 50.75  .2792 4 1  1/2     5/8  6          .3151  .3470 77.95 64.35 59.80 57.60 55.30 53.40
   3/8   .3750 43812 51.20  .3105 4 1  3/4     5/8  7          .3471  .3780 78.40 64.75 60.20 58.05 55.70 53.85
  13/32  .4063 43813 53.50  .3105 4 1  3/4     5/8  7          .3781  .4090 80.65 67.05 62.50 60.30 58.00 56.15
   7/16  .4375 43814 55.55  .3730 6 1  3/4     5/8  7          .4091  .4410 82.75 69.10 64.55 62.40 60.05 58.20
  15/32  .4688 43815 59.10  .3730 6 1  3/4     5/8  7          .4411  .4720 86.35 72.65 68.10 65.95 63.60 61.80
   1/2   .5000 43816 63.65  .4355 6 2            5/8  8          .4721  .5030 92.65 78.10 73.25 70.90 68.40 66.45
  17/32  .5313 43817 65.50  .4355 6 2            5/8  8          .5031  .5340 94.55 80.05 75.15 72.80 70.35 68.35
   9/16  .5625 43818 65.50  .4355 6 2            5/8  8          .5341  .5660 94.55 80.05 75.15 72.80 70.35 68.35
  19/32  .5938 43819 67.60  .4355 6 2            5/8  8          .5661  .5970 96.55 82.05 77.15 74.85 72.35 70.40
   5/8   .6250 43820 67.60  .5615 6 2  1/4     5/8  9          .5971  .6280 96.55 82.05 77.15 74.85 72.35 70.40
  21/32  .6563 43821 69.60  .5615 6 2  1/4     5/8  9          .6281  .6590 98.60 84.05 79.20 76.85 74.35 72.40
  11/16  .6875 43822 74.00  .5615 6 2  1/4     5/8  9          .6591  .6910 103.00 88.45 83.60 81.25 78.75 76.80
  23/32  .7188 43823 75.10  .5615 6 2  1/4     5/8  9          .6911  .7220 104.10 89.55 84.70 82.40 79.90 77.95
   3/4   .7500 43824 76.15  .6245 6 2  1/2     3/4  9  1/2   .7221  .7530 105.20 90.65 85.75 83.50 81.00 79.00
  25/32  .7813 43825 78.25  .6245 6 2  1/2     3/4  9  1/2   .7531  .7840 107.25 92.70 87.85 85.55 83.05 81.10
  13/16  .8125 43826 78.25  .6245 6 2  1/2     3/4  9  1/2   .7841  .8160 107.25 92.70 87.85 85.55 83.05 81.10
  27/32  .8438 43827 82.40  .6245 6 2  1/2     3/4  9  1/2   .8161  .8470 111.40 96.90 92.00 89.70 87.20 85.20
   7/8   .8750 43828 85.55  .7495 6 2  5/8     3/4  10          .8471  .8780 115.60 100.55 95.50 93.05 90.50 88.45
  29/32  .9063 43829 99.60  .7495 6 2  5/8     3/4  10          .8781  .9090 129.75 114.60 109.55 107.20 104.60 102.60
  15/16  .9375 43830 99.60  .7495 8 2  5/8     3/4  10          .9091  .9410 129.75 114.60 109.55 107.20 104.60 102.60
  31/32  .9688 43831 104.50  .7495 8 2  5/8     3/4  10          .9411  .9720 134.60 119.50 114.45 112.05 109.45 107.40
1         1.0000 43832 104.50  .8745 8 2  3/4     3/4  10  1/2   .9721 1.0030 134.60 119.50 114.45 112.05 109.45 107.40
1  1/16 1.0625 43834 112.10  .8745 8 2  3/4     3/4  10  1/2  1.0031 1.0660 142.25 127.15 122.10 119.70 117.10 115.05
1  1/8  1.1250 43836 115.55  .8745 8 2  7/8     7/8  11         1.0661 1.1280 145.70 130.55 125.55 123.15 120.55 118.55
1  3/16 1.1875 43838 121.45  .9995 8 2  7/8     7/8  11         1.1281 1.1905 151.55 136.45 131.40 129.00 126.40 124.35
1  1/4  1.2500 43840 128.55  .9995 8 3            7/8  11  1/2  1.1906 1.2530 158.70 143.60 138.55 136.15 133.55 131.50
1  5/16 1.3125 43842 142.25  .9995 8 3            7/8  11  1/2  1.2531 1.3155 172.35 157.25 152.25 149.80 147.25 145.20
1  3/8  1.3750 43844 155.75  .9995 8 3  1/4     7/8  12         1.3156 1.3780 185.90 170.85 165.75 163.35 160.75 158.75
1  7/16 1.4375 43846 165.10  .9995 8 3  1/4     7/8  12         1.3781 1.4405 195.20 180.15 175.05 172.65 170.05 168.05
1  1/2  1.5000 43848 174.40 1.2495 8 3  1/2     7/8  12  1/2  1.4406 1.5030 204.50 189.40 184.35 181.95 179.35 177.30
* Quantities of 15 or more - price of fractional size in same size range

The specifications of the Material Specific Chucking Reamers listed above are only the dimensions that are critical to the application. Please choose the Reamers that meet your specific needs.

Everyone at Hannibal would like to THANK YOU for the privilege of servicing your Material Specific Chucking Reamers needs.