Type 424 Fractional
Tools - Reamers - Coolant Fed Reamers - Reamers with Straight Flutes and Center Coolant Outlet

Chip ClassMaterial MachinedTool Type
20NON-FERROUS - LONG CHIPS414
40NON-FERROUS - SHORT CHIPS414 / 424
60CAST IRONS424
80LOW STRENGTH STEELS434 / 424
100MEDIUM STRENGTH STEELS434
120HIGH STRENGTH STEELS434
140HIGH TEMPERATURE ALLOYS434

Description

  • Center coolant outlet
  • Polished flutes; flute long carbide on .2841" tool diameter and larger
  • 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

  • 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

Use

  • Center coolant outlet for reaming blind holes as chips are flushed back towards the shank
  • Improves hole finish and permits higher feeds & speeds with longer tool life
Decimal DiameterFractional DiameterCarbide LengthFlute LengthMax Shank DiameterNumber Of FlutesOverall LengthShank DiameterEDPPrice
0.484431/64220.4355684244844 $182.75
0.515633/64220.4355684245156 $186.90
0.328121/641 1/21 1/20.2792464243281 $175.05
0.359423/641 3/41 3/40.3105474243594 $176.80
0.390625/641 3/41 3/40.3105474243906 $177.40
0.421927/641 3/41 3/40.3730674244219 $179.15
0.453129/641 3/41 3/40.3730674244531 $180.70
0.203113/641/21 1/40.1805454242031 $154.95
0.234415/641/21 1/20.2265464242344 $154.95
0.265617/641/21 1/20.2485464242656 $164.40
0.296919/641 1/21 1/20.2792464242969 $173.70
1.75001 3/43 1/21013 1/21 1/442456 $491.45
1.81251 13/163 1/21013 1/21 1/242458 $511.45
1.87501 7/83 1/210141 1/242460 $540.00
1.93751 15/163 1/210141 1/242462 $572.50
2.000023 1/212141 1/242464 $594.50
1.43751 7/163 1/43 1/40.999581242446 $364.70
1.50001 1/23 1/23 1/21.2495812 1/242448 $376.95
1.56251 9/163 1/2812 1/21 1/442450 $401.35
1.62501 5/83 1/28131 1/442452 $439.50
1.68751 11/163 1/28131 1/442454 $448.70
1.12501 1/82 7/82 7/80.874581142436 $304.55
1.18751 3/162 7/82 7/80.999581142438 $326.20
1.25001 1/4330.9995811 1/242440 $330.40
1.31251 5/16330.9995811 1/242442 $339.95
1.37501 3/83 1/43 1/40.999581242444 $353.75
0.906229/322 5/82 5/80.749561042429 $285.10
0.937515/162 5/82 5/80.749581042430 $285.10
0.968831/322 5/82 5/80.749581042431 $286.20
1.000012 3/42 3/40.8745810 1/242432 $286.20
1.06251 1/162 3/42 3/40.8745810 1/242434 $294.35
0.75003/42 1/22 1/20.624569 1/242424 $232.30
0.781225/322 1/22 1/20.624569 1/242425 $239.25
0.812513/162 1/22 1/20.624569 1/242426 $239.25
0.843827/322 1/22 1/20.624569 1/242427 $247.40
0.87507/82 5/82 5/80.749561042428 $256.80
0.593819/32220.43556842419 $193.55
0.62505/82 1/42 1/40.56156942420 $197.20
0.656221/322 1/42 1/40.56156942421 $218.30
0.687511/162 1/42 1/40.56156942422 $222.70
0.718823/322 1/42 1/40.56156942423 $232.30
0.43757/161 3/41 3/40.37306742414 $179.15
0.468815/321 3/41 3/40.37306742415 $180.70
0.50001/2220.43556842416 $182.75
0.531217/32220.43556842417 $186.90
0.56259/16220.43556842418 $189.55
0.28129/321/21 1/20.24854642409 $164.40
0.31255/161 1/21 1/20.27924642410 $173.70
0.343811/321 1/21 1/20.27924642411 $175.05
0.37503/81 3/41 3/40.31054742412 $176.80
0.406213/321 3/41 3/40.31054742413 $177.40
0.18753/161/21 1/40.18054542406 $154.95
0.21887/321/21 1/40.20754542407 $154.95
0.25001/41/21 1/20.24054642408 $154.95
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