Menu
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 $171.55 $128.80 $114.45 $107.65 $100.30 $94.55 $86.25
 .2041 -  .2210  .1920  .2075 4  1/         345807ST 171.55 128.80 114.45 107.65 100.30 94.55 86.25
 .2211 -  .2380  .2080  .2265 4  1/         34582344ST 171.55 128.80 114.45 107.65 100.30 94.55 86.25
 .2381 -  .2530  .2240  .2405 4  1/         345808ST 171.55 128.80 114.45 107.65 100.30 94.55 86.25
 .2531 -  .2840  .2380  .2485 4  1/         345809ST 173.55 130.75 116.40 109.60 102.35 96.55 88.15
 .2841 -  .3150  .2670  .2792 4  1/         345810ST 173.55 130.75 116.40 109.60 102.35 96.55 88.15
 .3151 -  .3470  .2960  .2792 4  1/         345811ST 176.60 133.85 119.50 112.75 105.40 99.70 91.30
 .3471 -  .3780  .3260  .3105 4  3/         345812ST 176.60 133.85 119.50 112.75 105.40 99.70 91.30
 .3781 -  .4090  .3550  .3105 4  3/         345813ST 181.10 138.40 124.10 117.25 109.95 104.15 95.85
 .4091 -  .4410  .3850  .3730 6  3/         345814ST 189.05 146.30 131.95 125.10 117.80 112.00 103.75
 .4411 -  .4720  .4150  .3730 6  3/         345815ST 197.25 154.55 140.20 133.40 126.05 120.35 111.95
 .4721 -  .5030  .4440  .4355 6                 345816ST 211.40 165.55 150.20 142.95 135.10 128.95 120.00
 .5031 -  .5340  .4730  .4355 6                 345817ST 214.85 169.05 153.70 146.45 138.55 132.35 123.40
 .5341 -  .5660  .5020  .4355 6                 345818ST 214.85 169.05 153.70 146.45 138.55 132.35 123.40
 .5661 -  .5970  .5320  .4355 6                 345819ST 219.60 173.80 158.50 151.15 143.35 137.15 128.15
 .5971 -  .6280  .5610  .5615 6  1/         345820ST 219.60 173.80 158.50 151.15 143.35 137.15 128.15
 .6281 -  .6590  .5900  .5615 6  1/         345821ST 221.95 176.20 160.80 153.45 145.65 139.45 130.55
 .6591 -  .6910  .6200  .5615 6  1/         345822ST 221.95 176.20 160.80 153.45 145.65 139.45 130.55
 .6911 -  .7220  .6500  .5615 6  1/         345823ST 227.80 182.00 166.65 159.40 151.55 145.40 136.45
 .7221 -  .7530  .6790  .6245 6  1/  1/ 345824ST 227.80 182.00 166.65 159.40 151.55 145.40 136.45
 .7531 -  .7840  .7080  .6245 6  1/  1/ 345825ST 232.45 186.70 171.45 164.10 156.15 150.10 141.10
 .7841 -  .8160  .7370  .6245 6  1/  1/ 345826ST 232.45 186.70 171.45 164.10 156.15 150.10 141.10
 .8161 -  .8470  .7670  .6245 6  1/  1/ 345827ST 238.05 192.30 176.95 169.70 161.85 155.70 146.70
 .8471 -  .8780  .7970  .7495 6  5/ 10         345828ST 247.10 199.55 183.70 176.10 167.95 161.55 152.25
 .8781 -  .9090  .8260  .7495 6  5/ 10         345829ST 272.25 224.70 208.75 201.25 193.05 186.70 177.40
 .9091 -  .9410  .8550  .7495 8  5/ 10         345830ST 272.25 224.70 208.75 201.25 193.05 186.70 177.40
 .9411 -  .9720  .8850  .7495 8  5/ 10         345831ST 280.70 233.15 217.30 209.65 201.45 195.10 185.80
 .9721 - 1.0030  .9140  .8745 8  3/ 10  1/ 345832ST 280.70 233.15 217.30 209.65 201.45 195.10 185.80
1.0031 - 1.0660  .9430  .8745 8  3/ 10  1/ 345834ST 283.10 237.50 222.20 214.95 207.15 201.05 192.15
1.0661 - 1.1280 1.0020  .8745 8  7/ 11         345836ST 298.95 253.40 238.20 231.00 223.15 217.00 208.10
1.1281 - 1.1905 1.0610  .9995 8  7/ 11         345838ST 308.55 262.90 247.65 240.45 232.60 226.45 217.55
1.1906 - 1.2530 1.1200  .9995 8         11  1/ 345840ST 326.15 280.65 265.30 258.10 250.30 244.15 235.25
1.2531 - 1.3155 1.1780  .9995 8         11  1/ 345842ST 332.65 287.05 271.90 264.60 256.85 250.60 241.70
1.3156 - 1.3780 1.2370  .9995 8  1/ 12         345844ST 348.75 303.15 288.00 280.70 272.85 266.70 257.80
1.3781 - 1.4405 1.2960  .9995 8  1/ 12         345846ST 370.00 324.40 309.10 301.85 294.05 288.00 279.00
1.4406 - 1.5030 1.3550 1.2495 8  1/ 12  1/ 345848ST 378.20 332.65 317.45 310.15 302.40 296.25 287.30

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.