Fractional


TOOL SELECTOR
CHIP
CLASS
MATERIAL MACHINEDTOOL TYPE
 20  NON-FERROUS - LONG CHIPS  433 
 40  NON-FERROUS - SHORT CHIPS  433 / 437 
 60  CAST IRONS  437 
 80  LOW STRENGTH STEELS  439 / 437 
 100  MEDIUM STRENGTH STEELS  439 
 120  HIGH STRENGTH STEELS  439 
 140  HIGH TEMPERATURE ALLOYS  439

National Aerospace Standards - NAS 897
Type 437 Fractional - For Cast Irons & NAS Multi-Purpose
Carbide Tipped
  • Type "C" with short carbide tip
  • Left spiral polished flutes and straight shank
  • Left spiral flutes should not be used on blind holes
  • 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 437
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 43706 $54.55  .1805 4  1/    1/  1/  .1770  .2040 $86.85 $70.70 $65.30 $62.70 $59.95 $57.75
   7/32  .2188 43707 54.55  .2075 4  1/    1/          .2041  .2210 86.85 70.70 65.30 62.70 59.95 57.75
  15/64  .2344 4372344 54.55  .2265 4  1/    1/          .2211  .2380 86.85 70.70 65.30 62.70 59.95 57.75
   1/  .2500 43708 54.55  .2405 4  1/    1/          .2381  .2530 86.85 70.70 65.30 62.70 59.95 57.75
   9/32  .2813 43709 54.70  .2485 4  1/    1/          .2531  .2840 87.05 70.85 65.45 62.80 60.05 57.90
   5/16  .3125 43710 54.70  .2792 4  1/    1/          .2841  .3150 87.05 70.85 65.45 62.80 60.05 57.90
  11/32  .3438 43711 60.20  .2792 4  1/    5/          .3151  .3470 92.55 76.45 70.95 68.35 65.60 63.45
   3/  .3750 43712 60.80  .3105 4  3/    5/          .3471  .3780 93.10 76.90 71.50 68.90 66.10 63.90
  13/32  .4063 43713 63.50  .3105 4  3/    5/          .3781  .4090 95.75 79.65 74.20 71.60 68.85 66.65
   7/16  .4375 43714 65.95  .3730 6  3/    5/          .4091  .4410 98.20 82.05 76.65 74.10 71.25 69.10
  15/32  .4688 43715 70.10  .3730 6  3/    5/          .4411  .4720 102.45 86.35 80.90 78.30 75.50 73.35
   1/  .5000 43716 72.70  .4355 6            5/          .4721  .5030 105.90 89.25 83.70 81.05 78.25 75.95
  17/32  .5313 43717 74.90  .4355 6            5/          .5031  .5340 108.05 91.40 85.85 83.25 80.40 78.10
   9/16  .5625 43718 74.90  .4355 6            5/          .5341  .5660 108.05 91.40 85.85 83.25 80.40 78.10
  19/32  .5938 43719 77.20  .4355 6            5/          .5661  .5970 110.35 93.70 88.20 85.55 82.70 80.45
   5/  .6250 43720 77.20  .5615 6  1/    5/          .5971  .6280 110.35 93.70 88.20 85.55 82.70 80.45
  21/32  .6563 43721 79.50  .5615 6  1/    5/          .6281  .6590 112.70 96.05 90.45 87.80 84.95 82.75
  11/16  .6875 43722 84.55  .5615 6  1/    5/          .6591  .6910 117.70 101.10 95.50 92.80 90.05 87.75
  23/32  .7188 43723 85.80  .5615 6  1/    5/          .6911  .7220 119.00 102.35 96.80 94.20 91.30 89.10
   3/  .7500 43724 87.05  .6245 6  1/    3/  1/  .7221  .7530 120.20 103.55 98.05 95.40 92.55 90.30
  25/32  .7813 43725 89.40  .6245 6  1/    3/  1/  .7531  .7840 122.60 105.95 100.40 97.75 94.90 92.65
  13/16  .8125 43726 89.40  .6245 6  1/    3/  1/  .7841  .8160 122.60 105.95 100.40 97.75 94.90 92.65
  27/32  .8438 43727 94.20  .6245 6  1/    3/  1/  .8161  .8470 127.35 110.75 105.10 102.50 99.65 97.40
   7/  .8750 43728 97.75  .7495 6  5/    3/ 10          .8471  .8780 132.20 114.90 109.05 106.40 103.40 101.05
  29/32  .9063 43729 113.85  .7495 6  5/    3/ 10          .8781  .9090 148.25 131.00 125.30 122.50 119.50 117.20
  15/16  .9375 43730 113.85  .7495 8  5/    3/ 10          .9091  .9410 148.25 131.00 125.30 122.50 119.50 117.20
  31/32  .9688 43731 119.35  .7495 8  5/    3/ 10          .9411  .9720 153.80 136.60 130.85 128.05 125.10 122.80
        1.0000 43732 119.35  .8745 8  3/    3/ 10  1/  .9721 1.0030 153.80 136.60 130.85 128.05 125.10 122.80
 1/16 1.0625 43734 128.10  .8745 8  3/    3/ 10  1/ 1.0031 1.0660 162.50 145.35 139.50 136.75 133.80 131.50
 1/ 1.1250 43736 132.10  .8745 8  7/    7/ 11         1.0661 1.1280 166.55 149.25 143.45 140.70 137.80 135.45
 3/16 1.1875 43738 138.80  .9995 8  7/    7/ 11         1.1281 1.1905 173.20 155.95 150.15 147.40 144.50 142.15
 1/ 1.2500 43740 146.90  .9995 8            7/ 11  1/ 1.1906 1.2530 181.30 164.10 158.30 155.60 152.60 150.25
 5/16 1.3125 43742 162.50  .9995 8            7/ 11  1/ 1.2531 1.3155 197.00 179.80 173.95 171.25 168.20 165.95
 3/ 1.3750 43744 178.05  .9995 8  1/    7/ 12         1.3156 1.3780 212.50 195.20 189.40 186.70 183.75 181.40
 7/16 1.4375 43746 188.70  .9995 8  1/    7/ 12         1.3781 1.4405 223.00 205.85 200.10 197.25 194.35 192.05
 1/ 1.5000 43748 199.35 1.2495 8  1/    7/ 12  1/ 1.4406 1.5030 233.75 216.45 210.70 207.95 205.00 202.65
* Quantities of 15 or more - price of fractional size in same size range