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 $69.65  .1805 4  1/    1/  1/  .1770  .2040 $110.90 $90.30 $83.40 $80.10 $76.55 $73.70
   7/32  .2188 43707 69.65  .2075 4  1/    1/          .2041  .2210 110.90 90.30 83.40 80.10 76.55 73.70
  15/64  .2344 4372344 69.65  .2265 4  1/    1/          .2211  .2380 110.90 90.30 83.40 80.10 76.55 73.70
   1/  .2500 43708 69.65  .2405 4  1/    1/          .2381  .2530 110.90 90.30 83.40 80.10 76.55 73.70
   9/32  .2813 43709 69.90  .2485 4  1/    1/          .2531  .2840 111.20 90.45 83.60 80.20 76.70 74.00
   5/16  .3125 43710 69.90  .2792 4  1/    1/          .2841  .3150 111.20 90.45 83.60 80.20 76.70 74.00
  11/32  .3438 43711 76.90  .2792 4  1/    5/          .3151  .3470 118.20 97.65 90.65 87.25 83.80 81.05
   3/  .3750 43712 77.65  .3105 4  3/    5/          .3471  .3780 118.90 98.25 91.30 87.95 84.45 81.60
  13/32  .4063 43713 81.10  .3105 4  3/    5/          .3781  .4090 122.25 101.70 94.75 91.50 87.90 85.15
   7/16  .4375 43714 84.25  .3730 6  3/    5/          .4091  .4410 125.40 104.75 97.90 94.65 91.00 88.30
  15/32  .4688 43715 89.55  .3730 6  3/    5/          .4411  .4720 130.85 110.25 103.30 100.00 96.45 93.65
   1/  .5000 43716 92.85  .4355 6            5/          .4721  .5030 135.20 114.00 106.90 103.50 99.95 97.05
  17/32  .5313 43717 95.70  .4355 6            5/          .5031  .5340 138.00 116.75 109.60 106.35 102.70 99.75
   9/16  .5625 43718 95.70  .4355 6            5/          .5341  .5660 138.00 116.75 109.60 106.35 102.70 99.75
  19/32  .5938 43719 98.60  .4355 6            5/          .5661  .5970 140.95 119.65 112.65 109.30 105.60 102.75
   5/  .6250 43720 98.60  .5615 6  1/    5/          .5971  .6280 140.95 119.65 112.65 109.30 105.60 102.75
  21/32  .6563 43721 101.50  .5615 6  1/    5/          .6281  .6590 143.90 122.70 115.55 112.10 108.50 105.70
  11/16  .6875 43722 107.95  .5615 6  1/    5/          .6591  .6910 150.30 129.10 122.00 118.50 115.00 112.05
  23/32  .7188 43723 109.55  .5615 6  1/    5/          .6911  .7220 151.95 130.75 123.65 120.30 116.60 113.85
   3/  .7500 43724 111.20  .6245 6  1/    3/  1/  .7221  .7530 153.50 132.30 125.25 121.90 118.20 115.30
  25/32  .7813 43725 114.15  .6245 6  1/    3/  1/  .7531  .7840 156.60 135.30 128.25 124.85 121.25 118.30
  13/16  .8125 43726 114.15  .6245 6  1/    3/  1/  .7841  .8160 156.60 135.30 128.25 124.85 121.25 118.30
  27/32  .8438 43727 120.30  .6245 6  1/    3/  1/  .8161  .8470 162.65 141.45 134.25 130.90 127.20 124.40
   7/  .8750 43728 124.85  .7495 6  5/    3/ 10          .8471  .8780 168.85 146.75 139.25 135.85 132.05 129.05
  29/32  .9063 43729 145.40  .7495 6  5/    3/ 10          .8781  .9090 189.30 167.35 160.00 156.45 152.60 149.75
  15/16  .9375 43730 145.40  .7495 8  5/    3/ 10          .9091  .9410 189.30 167.35 160.00 156.45 152.60 149.75
  31/32  .9688 43731 152.45  .7495 8  5/    3/ 10          .9411  .9720 196.45 174.45 167.10 163.55 159.80 156.80
        1.0000 43732 152.45  .8745 8  3/    3/ 10  1/  .9721 1.0030 196.45 174.45 167.10 163.55 159.80 156.80
 1/16 1.0625 43734 163.60  .8745 8  3/    3/ 10  1/ 1.0031 1.0660 207.50 185.65 178.15 174.70 170.90 167.95
 1/ 1.1250 43736 168.70  .8745 8  7/    7/ 11         1.0661 1.1280 212.70 190.60 183.20 179.70 176.00 173.00
 3/16 1.1875 43738 177.30  .9995 8  7/    7/ 11         1.1281 1.1905 221.20 199.20 191.75 188.25 184.50 181.55
 1/ 1.2500 43740 187.60  .9995 8            7/ 11  1/ 1.1906 1.2530 231.55 209.65 202.20 198.70 194.90 191.85
 5/16 1.3125 43742 207.50  .9995 8            7/ 11  1/ 1.2531 1.3155 251.60 229.65 222.15 218.70 214.80 212.00
 3/ 1.3750 43744 227.40  .9995 8  1/    7/ 12         1.3156 1.3780 271.40 249.30 241.90 238.45 234.70 231.65
 7/16 1.4375 43746 241.00  .9995 8  1/    7/ 12         1.3781 1.4405 284.85 262.85 255.60 251.95 248.25 245.25
 1/ 1.5000 43748 254.60 1.2495 8  1/    7/ 12  1/ 1.4406 1.5030 298.55 276.45 269.10 265.65 261.85 258.80
* Quantities of 15 or more - price of fractional size in same size range