Type 431 Fractional
Tools - Reamers - Shell Reamers and Shell Reamer Arbors - Shell Reamers with Straight Flutes

Chip ClassMaterial MachinedTool Type
20NON-FERROUS - LONG CHIPS431
40NON-FERROUS - SHORT CHIPS431
60CAST IRONS431
80LOW STRENGTH STEELS431
100MEDIUM STRENGTH STEELS431
120HIGH STRENGTH STEELS431
140HIGH TEMPERATURE ALLOYS431

Description

  • Straight polished flutes
  • Arbor hole tapered 1/8" per foot with drive slots
  • Tool diameter tolerance
    thru 1": plus .0001", plus .0005"
    over 1": plus .0002", plus .0006"

Modifications

  • Modified tool diameter - priced below
  • Metric tool diameter
  • 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
Coatings available:
  • TITANIUM NITRIDE - TiN
  • TITANIUM CARBONITRIDE - TiCN
  • ZIRCONIUM NITRIDE - ZrN
  • AL TITANIUM NITRIDE - AITiN

Use

  • For thru or blind holes
  • Shell reamers are used with an arbor which is tapered to fit the hole in the reamer. Drive slots in the reamer engage lugs on the arbor to supplement the rotational drive from the tapered arbor. The space between the reamer's drive end and the arbor collar permits easy removal of the shell reamer by prying.
Decimal DiameterFractional DiameterCarbide LengthFits Arbor NumberFlute LengthHole Large End DiameterNumber Of FlutesOverall LengthEDPPrice
2.75002 3/41 1/8103 1/81 1/214443188 $803.30
2.81252 13/161 1/8103 1/81 1/214443190 $831.50
2.87502 7/81 1/8103 1/81 1/214443192 $864.85
2.93752 15/161 1/8103 1/81 1/214443194 $898.25
3.000031 1/8103 1/81 1/214443196 $931.55
2.43752 7/161 1/892 7/81 1/4123 3/443178 $656.45
2.50002 1/21 1/892 7/81 1/4123 3/443180 $656.45
2.56252 9/161 1/8103 1/81 1/214443182 $720.55
2.62502 5/81 1/8103 1/81 1/214443184 $747.30
2.68752 11/161 1/8103 1/81 1/214443186 $776.30
2.12502 1/81 1/892 7/81 1/4123 3/443168 $542.25
2.18752 3/161 1/892 7/81 1/4123 3/443170 $589.75
2.25002 1/41 1/892 7/81 1/4123 3/443172 $589.75
2.31252 5/161 1/892 7/81 1/4123 3/443174 $623.05
2.37502 3/81 1/892 7/81 1/4123 3/443176 $623.05
1.81251 13/161 1/882 3/41103 1/243158 $470.85
1.87501 7/81 1/882 3/41103 1/243160 $470.85
1.93751 15/161 1/882 3/41103 1/243162 $504.25
2.000021 1/882 3/41103 1/243164 $504.25
2.06252 1/161 1/892 7/81 1/4123 3/443166 $542.25
1.50001 1/21 1/872 1/43/48343148 $332.75
1.56251 9/161 1/872 1/43/410343150 $385.30
1.62501 5/81 1/872 1/43/410343152 $404.20
1.68751 11/161 1/882 3/41103 1/243154 $437.60
1.75001 3/41 1/882 3/41103 1/243156 $437.60
1.18751 3/161 1/862 1/85/882 3/443138 $278.15
1.25001 1/41 1/862 1/85/882 3/443140 $296.35
1.31251 5/161 1/872 1/43/48343142 $300.75
1.37501 3/81 1/872 1/43/48343144 $309.95
1.43751 7/161 1/872 1/43/48343146 $319.10
0.87507/8151 15/161/262 1/243128 $255.30
0.937515/16151 15/161/282 1/243130 $255.30
1.00001151 15/161/282 1/243132 $259.90
1.06251 1/16162 1/85/882 3/443134 $269.05
1.12501 1/8162 1/85/882 3/443136 $273.50
0.75003/4141 3/43/862 1/443124 $224.05
0.781225/32141 3/43/862 1/443125 $228.40
0.812513/16151 15/161/262 1/243126 $228.40

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