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 $436.40
1.43751 7/163 1/43 1/40.999581241946 $450.10
1.50001 1/23 1/23 1/21.2495812 1/241948 $465.30
1.06251 1/162 3/42 3/40.8745810 1/241934 $384.95
1.12501 1/82 7/82 7/80.874581141936 $386.60
1.18751 3/162 7/82 7/80.999581141938 $402.65
1.25001 1/4330.9995811 1/241940 $407.85
1.31251 5/16330.9995811 1/241942 $419.65
0.87507/82 5/82 5/80.749561041928 $299.30
0.906229/322 5/82 5/80.749561041929 $317.10
0.937515/162 5/82 5/80.749581041930 $332.40
0.968831/322 5/82 5/80.749581041931 $333.25
1.000012 3/42 3/40.8745810 1/241932 $333.80
0.718823/322 1/42 1/40.56156941923 $255.55
0.75003/42 1/22 1/20.624569 1/241924 $255.55
0.781225/322 1/22 1/20.624569 1/241925 $275.40
0.812513/162 1/22 1/20.624569 1/241926 $278.80
0.843827/322 1/22 1/20.624569 1/241927 $284.05
0.56259/16220.43556841918 $208.55
0.593819/32220.43556841919 $216.75
0.62505/82 1/42 1/40.56156941920 $216.75
0.656221/322 1/42 1/40.56156941921 $244.85
0.687511/162 1/42 1/40.56156941922 $244.85
0.406213/321 3/41 3/40.31054741913 $195.05
0.43757/161 3/41 3/40.37306741914 $197.15
0.468815/321 3/41 3/40.37306741915 $198.95
0.50001/2220.43556841916 $201.10
0.531217/32220.43556841917 $208.55
0.25001/41/21 1/20.24054641908 $170.50
0.28129/321/21 1/20.24854641909 $180.85
0.31255/161 1/21 1/20.27924641910 $191.15
0.343811/321 1/21 1/20.27924641911 $192.60
0.37503/81 3/41 3/40.31054741912 $194.40
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