Type 429 FractionalTools - Reamers - Coolant Fed Reamers - Coolant Fed Reamers with Left Spiral Flutes and Flute Fed Coolant for Through Holes
| Chip Class | Material Machined | Tool Type |
|---|---|---|
| 80 | LOW STRENGTH STEELS | 427 |
| 100 | MEDIUM STRENGTH STEELS | 427 / 428 |
| 120 | HIGH STRENGTH STEELS | 427 / 428 |
| 140 | HIGH TEMPERATURE ALLOYS | 428 |
Description
- Coolant outlets in each flute
- Polished flutes; flute long carbide on .2841" tool diameter and larger
- Left spiral flutes should not be used on blind holes
- 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
- 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 Diameter | Fractional Diameter | Carbide Length | Flute Length | Max Shank Diameter | Number Of Flutes | Overall Length | EDP | Price | 1.4375 | 1 7/16 | 3 1/4 | 3 1/4 | 0.9995 | 8 | 12 | 42946 | $411.05 | 1.5000 | 1 1/2 | 3 1/2 | 3 1/2 | 1.2495 | 8 | 12 1/2 | 42948 | $424.95 | 1.1250 | 1 1/8 | 2 7/8 | 2 7/8 | 0.8745 | 8 | 11 | 42936 | $353.05 | 1.1875 | 1 3/16 | 2 7/8 | 2 7/8 | 0.9995 | 8 | 11 | 42938 | $367.70 | 1.2500 | 1 1/4 | 3 | 3 | 0.9995 | 8 | 11 1/2 | 42940 | $372.45 | 1.3125 | 1 5/16 | 3 | 3 | 0.9995 | 8 | 11 1/2 | 42942 | $383.25 | 1.3750 | 1 3/8 | 3 1/4 | 3 1/4 | 0.9995 | 8 | 12 | 42944 | $398.55 | 0.9062 | 29/32 | 2 5/8 | 2 5/8 | 0.7495 | 6 | 10 | 42929 | $315.80 | 0.9375 | 15/16 | 2 5/8 | 2 5/8 | 0.7495 | 8 | 10 | 42930 | $331.25 | 0.9688 | 31/32 | 2 5/8 | 2 5/8 | 0.7495 | 8 | 10 | 42931 | $332.10 | 1.0000 | 1 | 2 3/4 | 2 3/4 | 0.8745 | 8 | 10 1/2 | 42932 | $332.55 | 1.0625 | 1 1/16 | 2 3/4 | 2 3/4 | 0.8745 | 8 | 10 1/2 | 42934 | $351.55 | 0.7500 | 3/4 | 2 1/2 | 2 1/2 | 0.6245 | 6 | 9 1/2 | 42924 | $269.90 | 0.7812 | 25/32 | 2 1/2 | 2 1/2 | 0.6245 | 6 | 9 1/2 | 42925 | $274.50 | 0.8125 | 13/16 | 2 1/2 | 2 1/2 | 0.6245 | 6 | 9 1/2 | 42926 | $277.80 | 0.8438 | 27/32 | 2 1/2 | 2 1/2 | 0.6245 | 6 | 9 1/2 | 42927 | $282.85 | 0.8750 | 7/8 | 2 5/8 | 2 5/8 | 0.7495 | 6 | 10 | 42928 | $298.25 | 0.5938 | 19/32 | 2 | 2 | 0.4355 | 6 | 8 | 42919 | $224.80 | 0.6250 | 5/8 | 2 1/4 | 2 1/4 | 0.5615 | 6 | 9 | 42920 | $229.00 | 0.6562 | 21/32 | 2 1/4 | 2 1/4 | 0.5615 | 6 | 9 | 42921 | $253.60 | 0.6875 | 11/16 | 2 1/4 | 2 1/4 | 0.5615 | 6 | 9 | 42922 | $258.70 | 0.7188 | 23/32 | 2 1/4 | 2 1/4 | 0.5615 | 6 | 9 | 42923 | $264.30 | 0.4375 | 7/16 | 1 3/4 | 1 3/4 | 0.3730 | 6 | 7 | 42914 | $208.05 | 0.4688 | 15/32 | 1 3/4 | 1 3/4 | 0.3730 | 6 | 7 | 42915 | $209.90 | 0.5000 | 1/2 | 2 | 2 | 0.4355 | 6 | 8 | 42916 | $212.60 | 0.5312 | 17/32 | 2 | 2 | 0.4355 | 6 | 8 | 42917 | $217.10 | 0.5625 | 9/16 | 2 | 2 | 0.4355 | 6 | 8 | 42918 | $220.20 | 0.2812 | 9/32 | 1/2 | 1 1/2 | 0.2485 | 4 | 6 | 42909 | $190.90 | 0.3125 | 5/16 | 1 1/2 | 1 1/2 | 0.2792 | 4 | 6 | 42910 | $201.75 | 0.3438 | 11/32 | 1 1/2 | 1 1/2 | 0.2792 | 4 | 6 | 42911 | $203.30 | 0.3750 | 3/8 | 1 3/4 | 1 3/4 | 0.3105 | 4 | 7 | 42912 | $205.25 | 0.4062 | 13/32 | 1 3/4 | 1 3/4 | 0.3105 | 4 | 7 | 42913 | $206.10 | 0.2500 | 1/4 | 1/2 | 1 1/2 | 0.2405 | 4 | 6 | 42908 | $180.05 |
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