Type 419 Fractional
Tools - Reamers - Coolant Fed Reamers - Reamers with Right Spiral Flutes and Flute Fed Coolant

Chip ClassMaterial MachinedTool Type
20NON-FERROUS - LONG CHIPS417
40NON-FERROUS - SHORT CHIPS417 / 418
60CAST IRONS418
80LOW STRENGTH STEELS419 / 418
100MEDIUM STRENGTH STEELS419
120HIGH STRENGTH STEELS419
140HIGH TEMPERATURE ALLOYS419

Description

  • Coolant outlets in each flute
  • Polished flutes; flute long carbide on .2841" tool diameter and larger
  • Tool geometry and carbide grade appropriate for material being machined
  • Carbide tips brazed to tough hardened alloy steel body, except expansion reamers which are not hardened
  • 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
  • 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

  • Flute coolant outlets for reaming thru holes as chips are flushed forward through the hole being reamed
  • Improves hole finish and permits higher feeds & speeds with longer tool life
Decimal DiameterFractional DiameterCarbide LengthFlute LengthMax Shank DiameterNumber Of FlutesOverall LengthEDPPrice
1.37501 3/83 1/43 1/40.999581241944 $398.55
1.43751 7/163 1/43 1/40.999581241946 $411.05
1.50001 1/23 1/23 1/21.2495812 1/241948 $424.95
1.06251 1/162 3/42 3/40.8745810 1/241934 $351.55
1.12501 1/82 7/82 7/80.874581141936 $353.05
1.18751 3/162 7/82 7/80.999581141938 $367.70
1.25001 1/4330.9995811 1/241940 $372.45
1.31251 5/16330.9995811 1/241942 $383.25
0.87507/82 5/82 5/80.749561041928 $273.35
0.906229/322 5/82 5/80.749561041929 $289.60
0.937515/162 5/82 5/80.749581041930 $303.55
0.968831/322 5/82 5/80.749581041931 $304.35
1.000012 3/42 3/40.8745810 1/241932 $304.85
0.718823/322 1/42 1/40.56156941923 $233.40
0.75003/42 1/22 1/20.624569 1/241924 $233.40
0.781225/322 1/22 1/20.624569 1/241925 $251.50
0.812513/162 1/22 1/20.624569 1/241926 $254.60
0.843827/322 1/22 1/20.624569 1/241927 $259.40
0.56259/16220.43556841918 $190.45
0.593819/32220.43556841919 $197.95
0.62505/82 1/42 1/40.56156941920 $197.95
0.656221/322 1/42 1/40.56156941921 $223.60
0.687511/162 1/42 1/40.56156941922 $223.60
0.406213/321 3/41 3/40.31054741913 $178.15
0.43757/161 3/41 3/40.37306741914 $180.05
0.468815/321 3/41 3/40.37306741915 $181.70
0.50001/2220.43556841916 $183.65
0.531217/32220.43556841917 $190.45
0.25001/41/21 1/20.24054641908 $155.70
0.28129/321/21 1/20.24854641909 $165.15
0.31255/161 1/21 1/20.27924641910 $174.55
0.343811/321 1/21 1/20.27924641911 $175.90
0.37503/81 3/41 3/40.31054741912 $177.55

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