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FRACTIONAL TYPE 3439 - STRAIGHT SHANK - LEFT SPIRAL FLUTES - FOR STEEL
TYPE
Carbide tips brazed to one piece hardened alloy steel bodies. Left spiral polished flutes.
Left spiral flutes should only be used on through holes and very hard materials. Finishes are much better as spiral flutes tend to bridge interruptions such as keyways, slots or intersecting holes. NAS 897 chucking reamers manufactured to national aerospace standards 897 C with partial flute length carbide. Tool geometry and carbide grade appropriate for material being machined.
Below is Lexington Cutter's selection of NAS 897 Reamers. We offer a wide variety of carbide tipped and solid carbide cutting tools. Over 95% are in stock either finished or semi finished for fast delivery.
Shanks are ground to the next smallest shank diameter listed in NAS 897 if tool diameter is within .005" of shank diameter.
TOOL DIAMETER MAX
SHANK
DIAM.
NO.
OF
FLTS.
LENGTH EDP
NO.
PRICE
EACH
DECIMAL
SIZE RANGE
PRICE EACH - FINISHED TO DECIMAL SIZE
DEC. FRAC. FLT CARB OAL 1 PC. 2 PC. 3 PC. 4 PC. 5-7 8-14*
 .1875    3/16  .1805 4  1/    1/  1/ 343906 $76.35  .1770 -  .2040 $121.60 $99.00 $91.40 $87.80 $83.95 $80.85
 .2188    7/32  .2075 4  1/    1/         343907 76.35  .2041 -  .2210 121.60 99.00 91.40 87.80 83.95 80.85
 .2344   15/64  .2265 4  1/    1/         34392344 76.35  .2211 -  .2380 121.60 99.00 91.40 87.80 83.95 80.85
 .2500    1/  .2405 4  1/    1/         343908 76.35  .2381 -  .2530 121.60 99.00 91.40 87.80 83.95 80.85
 .2812    9/32  .2485 4  1/    1/         343909 76.60  .2531 -  .2840 121.85 99.20 91.65 87.90 84.05 81.05
 .3125    5/16  .2792 4  1/    1/         343910 76.60  .2841 -  .3150 121.85 99.20 91.65 87.90 84.05 81.05
 .3438   11/32  .2792 4  1/    5/         343911 84.30  .3151 -  .3470 129.55 107.05 99.35 95.70 91.85 88.85
 .3750    3/  .3105 4  3/    5/         343912 85.10  .3471 -  .3780 130.35 107.65 100.10 96.45 92.55 89.45
 .4062   13/32  .3105 4  3/    5/         343913 88.90  .3781 -  .4090 134.05 111.50 103.90 100.25 96.40 93.30
 .4375    7/16  .3730 6  3/    5/         343914 92.35  .4091 -  .4410 137.50 114.85 107.30 103.75 99.75 96.75
 .4688   15/32  .3730 6  3/    5/         343915 98.15  .4411 -  .4720 143.45 120.90 113.25 109.60 105.70 102.70
 .5000    1/  .4355 6            5/         343916 101.80  .4721 -  .5030 148.25 124.95 117.20 113.45 109.55 106.35
 .5312   17/32  .4355 6            5/         343917 104.85  .5031 -  .5340 151.25 127.95 120.20 116.55 112.55 109.35
 .5625    9/16  .4355 6            5/         343918 104.85  .5341 -  .5660 151.25 127.95 120.20 116.55 112.55 109.35
 .5938   19/32  .4355 6            5/         343919 108.10  .5661 -  .5970 154.50 131.20 123.50 119.75 115.80 112.65
 .6250    5/  .5615 6  1/    5/         343920 108.10  .5971 -  .6280 154.50 131.20 123.50 119.75 115.80 112.65
 .6562   21/32  .5615 6  1/    5/         343921 111.30  .6281 -  .6590 157.80 134.45 126.65 122.90 118.95 115.85
 .6875   11/16  .5615 6  1/    5/         343922 118.35  .6591 -  .6910 164.80 141.55 133.70 129.90 126.05 122.85
 .7188   23/32  .5615 6  1/    5/         343923 120.10  .6911 -  .7220 166.60 143.30 135.50 131.90 127.80 124.75
 .7500    3/  .6245 6  1/    3/  1/ 343924 121.85  .7221 -  .7530 168.30 144.95 137.25 133.55 129.55 126.40
 .7812   25/32  .6245 6  1/    3/  1/ 343925 125.15  .7531 -  .7840 171.65 148.35 140.55 136.85 132.85 129.70
 .8125   13/16  .6245 6  1/    3/  1/ 343926 125.15  .7841 -  .8160 171.65 148.35 140.55 136.85 132.85 129.70
 .8438   27/32  .6245 6  1/    3/  1/ 343927 131.90  .8161 -  .8470 178.30 155.05 147.15 143.50 139.50 136.35
 .8750    7/  .7495 6  5/    3/ 10         343928 136.85  .8471 -  .8780 185.10 160.85 152.65 148.95 144.75 141.45
 .9062   29/32  .7495 6  5/    3/ 10         343929 159.40  .8781 -  .9090 207.55 183.40 175.40 171.50 167.30 164.10
 .9375   15/16  .7495 8  5/    3/ 10         343930 159.40  .9091 -  .9410 207.55 183.40 175.40 171.50 167.30 164.10
 .9688   31/32  .7495 8  5/    3/ 10         343931 167.10  .9411 -  .9720 215.30 191.25 183.20 179.25 175.15 171.90
1.0000          .8745 8  3/    3/ 10  1/ 343932 167.10  .9721 - 1.0030 215.30 191.25 183.20 179.25 175.15 171.90
1.0625  1/16  .8745 8  3/    3/ 10  1/ 343934 179.35 1.0031 - 1.0660 227.50 203.50 195.30 191.45 187.30 184.10
1.1250  1/  .8745 8  7/    7/ 11         343936 184.95 1.0661 - 1.1280 233.15 208.95 200.85 197.00 192.90 189.65
1.1875  3/16  .9995 8  7/    7/ 11         343938 194.30 1.1281 - 1.1905 242.50 218.35 210.20 206.35 202.30 199.00
1.2500  1/  .9995 8            7/ 11  1/ 343940 205.65 1.1906 - 1.2530 253.80 229.75 221.60 217.85 213.65 210.35
1.3125  5/16  .9995 8            7/ 11  1/ 343942 227.50 1.2531 - 1.3155 275.80 251.70 243.55 239.75 235.50 232.35
1.3750  3/  .9995 8  1/    7/ 12         343944 249.25 1.3156 - 1.3780 297.50 273.30 265.15 261.40 257.25 253.95
1.4375  7/16  .9995 8  1/    7/ 12         343946 264.20 1.3781 - 1.4405 312.20 288.20 280.15 276.15 272.10 268.85
1.5000  1/ 1.2495 8  1/    7/ 12  1/ 343948 279.10 1.4406 - 1.5030 327.25 303.05 295.00 291.15 287.00 283.70
* Quantities of 15 or more: price of fractional size in same size range.

Do you need special NAS 897 Reamers?

If you can't find the specific NAS 897 Reamers you are looking for we can manufacture it for you as a special. Simply fill out our Special Tool Quote Form and fax it back to us at 941-739-2827. You can also send us a message with your requirements through our Contact Us page. We will provide you with price and delivery for your special NAS 897 Reamers.

Thank you for using Lexington Cutter for your NAS 897 Reamers.