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STEP REAMER TYPE 3458 - STRAIGHT SHANK - STRAIGHT FLUTE LONG CARBIDE - FOR CAST IRON
TYPE
Flute long carbide tips brazed to one piece hardened alloy steel bodies. Straight polished flutes. Available with cutting or non-cutting pilots.
NAS 897 chucking reamers manufactured to national aerospace standards 897 C with flute long carbide. Tool geometry and carbide grade appropriate for material being machined.
NOTES:
  1. Order must indicate if pilot is cutting or non-cutting and identify material being machined.
  2. The difference between major and minor diameter shall not exceed 6%, and must fall within dimensions shown for that particular tool.
  3. Non-cutting pilot diameters may be smaller than cutting diameter range, but not less than non-cutting pilot minimum diameter dimension shown.
  4. It is recommended that stock removal of 3% be the basis for selecting each cutting diameter.
Below is Lexington Cutter's selection of Step Type 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.
Shank diameter tolerance thru 23/32" tool diameter: +.0000"/-.0010".
Shank diameter tolerance over 23/32" tool diameter: +.0000"/-.0015".
MAJOR AND MINOR
CUTTING DIAMETER
RANGE
NON-CUT
PILOT MIN.
DIAM.
MAX
SHANK
DIAM.
NO.
OF
FLTS.
FLT.
LEN.
OVER
ALL
LEN.
EDP
NO.
PRICE EACH - FINISHED TO DECIMAL SIZE
1 PC. 2 PC. 3 PC. 4 PC. 5-7 8-14 15+
 .1770 -  .2040  .1660  .1805 4  1/  1/ 345806ST $181.85 $136.50 $121.30 $114.10 $106.35 $100.25 $91.40
 .2041 -  .2210  .1920  .2075 4  1/         345807ST 181.85 136.50 121.30 114.10 106.35 100.25 91.40
 .2211 -  .2380  .2080  .2265 4  1/         34582344ST 181.85 136.50 121.30 114.10 106.35 100.25 91.40
 .2381 -  .2530  .2240  .2405 4  1/         345808ST 181.85 136.50 121.30 114.10 106.35 100.25 91.40
 .2531 -  .2840  .2380  .2485 4  1/         345809ST 183.95 138.60 123.40 116.20 108.50 102.35 93.45
 .2841 -  .3150  .2670  .2792 4  1/         345810ST 183.95 138.60 123.40 116.20 108.50 102.35 93.45
 .3151 -  .3470  .2960  .2792 4  1/         345811ST 187.20 141.90 126.65 119.55 111.70 105.65 96.75
 .3471 -  .3780  .3260  .3105 4  3/         345812ST 187.20 141.90 126.65 119.55 111.70 105.65 96.75
 .3781 -  .4090  .3550  .3105 4  3/         345813ST 191.95 146.70 131.55 124.30 116.55 110.40 101.55
 .4091 -  .4410  .3850  .3730 6  3/         345814ST 200.40 155.05 139.85 132.60 124.90 118.70 109.95
 .4411 -  .4720  .4150  .3730 6  3/         345815ST 209.10 163.80 148.60 141.40 133.65 127.55 118.65
 .4721 -  .5030  .4440  .4355 6                 345816ST 224.05 175.50 159.25 151.55 143.20 136.70 127.20
 .5031 -  .5340  .4730  .4355 6                 345817ST 227.70 179.20 162.95 155.25 146.85 140.30 130.85
 .5341 -  .5660  .5020  .4355 6                 345818ST 227.70 179.20 162.95 155.25 146.85 140.30 130.85
 .5661 -  .5970  .5320  .4355 6                 345819ST 232.75 184.25 168.00 160.25 151.95 145.40 135.85
 .5971 -  .6280  .5610  .5615 6  1/         345820ST 232.75 184.25 168.00 160.25 151.95 145.40 135.85
 .6281 -  .6590  .5900  .5615 6  1/         345821ST 235.25 186.75 170.45 162.70 154.40 147.85 138.40
 .6591 -  .6910  .6200  .5615 6  1/         345822ST 235.25 186.75 170.45 162.70 154.40 147.85 138.40
 .6911 -  .7220  .6500  .5615 6  1/         345823ST 241.45 192.90 176.70 169.00 160.65 154.15 144.60
 .7221 -  .7530  .6790  .6245 6  1/  1/ 345824ST 241.45 192.90 176.70 169.00 160.65 154.15 144.60
 .7531 -  .7840  .7080  .6245 6  1/  1/ 345825ST 246.40 197.90 181.70 173.95 165.55 159.10 149.60
 .7841 -  .8160  .7370  .6245 6  1/  1/ 345826ST 246.40 197.90 181.70 173.95 165.55 159.10 149.60
 .8161 -  .8470  .7670  .6245 6  1/  1/ 345827ST 252.35 203.85 187.60 179.85 171.55 165.00 155.55
 .8471 -  .8780  .7970  .7495 6  5/ 10         345828ST 261.95 211.55 194.65 186.70 178.00 171.20 161.40
 .8781 -  .9090  .8260  .7495 6  5/ 10         345829ST 288.55 238.20 221.25 213.35 204.60 197.90 188.00
 .9091 -  .9410  .8550  .7495 8  5/ 10         345830ST 288.55 238.20 221.25 213.35 204.60 197.90 188.00
 .9411 -  .9720  .8850  .7495 8  5/ 10         345831ST 297.55 247.15 230.30 222.25 213.55 206.80 196.90
 .9721 - 1.0030  .9140  .8745 8  3/ 10  1/ 345832ST 297.55 247.15 230.30 222.25 213.55 206.80 196.90
1.0031 - 1.0660  .9430  .8745 8  3/ 10  1/ 345834ST 300.10 251.80 235.50 227.85 219.60 213.10 203.70
1.0661 - 1.1280 1.0020  .8745 8  7/ 11         345836ST 316.90 268.60 252.50 244.85 236.55 230.00 220.55
1.1281 - 1.1905 1.0610  .9995 8  7/ 11         345838ST 327.05 278.65 262.50 254.85 246.55 240.05 230.60
1.1906 - 1.2530 1.1200  .9995 8         11  1/ 345840ST 345.75 297.50 281.20 273.55 265.35 258.80 249.40
1.2531 - 1.3155 1.1780  .9995 8         11  1/ 345842ST 352.60 304.30 288.20 280.50 272.25 265.65 256.20
1.3156 - 1.3780 1.2370  .9995 8  1/ 12         345844ST 369.65 321.35 305.25 297.55 289.25 282.75 273.30
1.3781 - 1.4405 1.2960  .9995 8  1/ 12         345846ST 392.20 343.85 327.65 319.95 311.70 305.25 295.75
1.4406 - 1.5030 1.3550 1.2495 8  1/ 12  1/ 345848ST 400.90 352.60 336.50 328.80 320.55 314.00 304.50

Do you need special Step Type Reamers?

If you can't find the specific Step Type 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 Step Type Reamers.

Thank you for using Lexington Cutter for your Step Type Reamers.