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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 $72.05  .1770 -  .2040 $114.75 $93.40 $86.25 $82.80 $79.15 $76.30
 .2188    7/32  .2075 4  1/    1/         343907 72.05  .2041 -  .2210 114.75 93.40 86.25 82.80 79.15 76.30
 .2344   15/64  .2265 4  1/    1/         34392344 72.05  .2211 -  .2380 114.75 93.40 86.25 82.80 79.15 76.30
 .2500    1/  .2405 4  1/    1/         343908 72.05  .2381 -  .2530 114.75 93.40 86.25 82.80 79.15 76.30
 .2812    9/32  .2485 4  1/    1/         343909 72.25  .2531 -  .2840 114.95 93.60 86.45 82.95 79.30 76.45
 .3125    5/16  .2792 4  1/    1/         343910 72.25  .2841 -  .3150 114.95 93.60 86.45 82.95 79.30 76.45
 .3438   11/32  .2792 4  1/    5/         343911 79.50  .3151 -  .3470 122.20 100.95 93.75 90.30 86.65 83.80
 .3750    3/  .3105 4  3/    5/         343912 80.30  .3471 -  .3780 123.00 101.55 94.45 91.00 87.30 84.40
 .4062   13/32  .3105 4  3/    5/         343913 83.85  .3781 -  .4090 126.50 105.20 98.00 94.55 90.95 88.05
 .4375    7/16  .3730 6  3/    5/         343914 87.10  .4091 -  .4410 129.70 108.35 101.20 97.85 94.10 91.30
 .4688   15/32  .3730 6  3/    5/         343915 92.60  .4411 -  .4720 135.30 114.05 106.80 103.40 99.75 96.90
 .5000    1/  .4355 6            5/         343916 96.05  .4721 -  .5030 139.85 117.90 110.55 107.05 103.30 100.30
 .5312   17/32  .4355 6            5/         343917 98.90  .5031 -  .5340 142.75 120.75 113.40 109.95 106.20 103.20
 .5625    9/16  .4355 6            5/         343918 98.90  .5341 -  .5660 142.75 120.75 113.40 109.95 106.20 103.20
 .5938   19/32  .4355 6            5/         343919 102.00  .5661 -  .5970 145.75 123.75 116.50 113.00 109.20 106.25
 .6250    5/  .5615 6  1/    5/         343920 102.00  .5971 -  .6280 145.75 123.75 116.50 113.00 109.20 106.25
 .6562   21/32  .5615 6  1/    5/         343921 105.00  .6281 -  .6590 148.80 126.85 119.50 116.00 112.20 109.25
 .6875   11/16  .5615 6  1/    5/         343922 111.65  .6591 -  .6910 155.45 133.55 126.15 122.55 118.95 115.90
 .7188   23/32  .5615 6  1/    5/         343923 113.35  .6911 -  .7220 157.15 135.15 127.80 124.40 120.60 117.65
 .7500    3/  .6245 6  1/    3/  1/ 343924 114.95  .7221 -  .7530 158.75 136.80 129.50 126.00 122.20 119.30
 .7812   25/32  .6245 6  1/    3/  1/ 343925 118.10  .7531 -  .7840 161.90 139.95 132.60 129.10 125.35 122.35
 .8125   13/16  .6245 6  1/    3/  1/ 343926 118.10  .7841 -  .8160 161.90 139.95 132.60 129.10 125.35 122.35
 .8438   27/32  .6245 6  1/    3/  1/ 343927 124.40  .8161 -  .8470 168.20 146.30 138.80 135.40 131.60 128.65
 .8750    7/  .7495 6  5/    3/ 10         343928 129.10  .8471 -  .8780 174.60 151.75 144.05 140.55 136.55 133.50
 .9062   29/32  .7495 6  5/    3/ 10         343929 150.35  .8781 -  .9090 195.80 173.05 165.50 161.75 157.85 154.75
 .9375   15/16  .7495 8  5/    3/ 10         343930 150.35  .9091 -  .9410 195.80 173.05 165.50 161.75 157.85 154.75
 .9688   31/32  .7495 8  5/    3/ 10         343931 157.65  .9411 -  .9720 203.15 180.40 172.85 169.10 165.20 162.20
1.0000          .8745 8  3/    3/ 10  1/ 343932 157.65  .9721 - 1.0030 203.15 180.40 172.85 169.10 165.20 162.20
1.0625  1/16  .8745 8  3/    3/ 10  1/ 343934 169.20 1.0031 - 1.0660 214.60 191.95 184.25 180.60 176.75 173.65
1.1250  1/  .8745 8  7/    7/ 11         343936 174.45 1.0661 - 1.1280 219.95 197.10 189.50 185.85 182.00 178.90
1.1875  3/16  .9995 8  7/    7/ 11         343938 183.35 1.1281 - 1.1905 228.75 205.95 198.30 194.65 190.80 187.75
1.2500  1/  .9995 8            7/ 11  1/ 343940 194.05 1.1906 - 1.2530 239.45 216.70 209.10 205.50 201.55 198.45
1.3125  5/16  .9995 8            7/ 11  1/ 343942 214.60 1.2531 - 1.3155 260.20 237.45 229.75 226.15 222.20 219.15
1.3750  3/  .9995 8  1/    7/ 12         343944 235.15 1.3156 - 1.3780 280.65 257.80 250.20 246.60 242.70 239.60
1.4375  7/16  .9995 8  1/    7/ 12         343946 249.20 1.3781 - 1.4405 294.55 271.90 264.25 260.55 256.70 253.70
1.5000  1/ 1.2495 8  1/    7/ 12  1/ 343948 263.25 1.4406 - 1.5030 308.70 285.90 278.25 274.70 270.75 267.70
* 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.