Type 418 FractionalTools - Reamers - Coolant Fed Reamers - Reamers with Right Spiral Flutes and Flute Fed Coolant
| Chip Class | Material Machined | Tool Type |
|---|---|---|
| 20 | NON-FERROUS - LONG CHIPS | 417 |
| 40 | NON-FERROUS - SHORT CHIPS | 417 / 418 |
| 60 | CAST IRONS | 418 |
| 80 | LOW STRENGTH STEELS | 419 / 418 |
| 100 | MEDIUM STRENGTH STEELS | 419 |
| 120 | HIGH STRENGTH STEELS | 419 |
| 140 | HIGH TEMPERATURE ALLOYS | 419 |
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 Diameter | Fractional Diameter | Carbide Length | Flute Length | Max Shank Diameter | Number Of Flutes | Overall Length | EDP | Price | 1.2500 | 1 1/4 | 3 | 3 | 0.9995 | 8 | 11 1/2 | 41840 | $372.45 | 1.3125 | 1 5/16 | 3 | 3 | 0.9995 | 8 | 11 1/2 | 41842 | $383.25 | 1.3750 | 1 3/8 | 3 1/4 | 3 1/4 | 0.9995 | 8 | 12 | 41844 | $398.55 | 1.4375 | 1 7/16 | 3 1/4 | 3 1/4 | 0.9995 | 8 | 12 | 41846 | $411.05 | 1.5000 | 1 1/2 | 3 1/2 | 3 1/2 | 1.2495 | 8 | 12 1/2 | 41848 | $424.95 | 0.9688 | 31/32 | 2 5/8 | 2 5/8 | 0.7495 | 8 | 10 | 41831 | $304.35 | 1.0000 | 1 | 2 3/4 | 2 3/4 | 0.8745 | 8 | 10 1/2 | 41832 | $304.85 | 1.0625 | 1 1/16 | 2 3/4 | 2 3/4 | 0.8745 | 8 | 10 1/2 | 41834 | $351.55 | 1.1250 | 1 1/8 | 2 7/8 | 2 7/8 | 0.8745 | 8 | 11 | 41836 | $353.05 | 1.1875 | 1 3/16 | 2 7/8 | 2 7/8 | 0.9995 | 8 | 11 | 41838 | $367.70 | 0.8125 | 13/16 | 2 1/2 | 2 1/2 | 0.6245 | 6 | 9 1/2 | 41826 | $254.60 | 0.8438 | 27/32 | 2 1/2 | 2 1/2 | 0.6245 | 6 | 9 1/2 | 41827 | $259.40 | 0.8750 | 7/8 | 2 5/8 | 2 5/8 | 0.7495 | 6 | 10 | 41828 | $273.35 | 0.9062 | 29/32 | 2 5/8 | 2 5/8 | 0.7495 | 6 | 10 | 41829 | $289.60 | 0.9375 | 15/16 | 2 5/8 | 2 5/8 | 0.7495 | 8 | 10 | 41830 | $303.55 | 0.6562 | 21/32 | 2 1/4 | 2 1/4 | 0.5615 | 6 | 9 | 41821 | $223.60 | 0.6875 | 11/16 | 2 1/4 | 2 1/4 | 0.5615 | 6 | 9 | 41822 | $223.60 | 0.7188 | 23/32 | 2 1/4 | 2 1/4 | 0.5615 | 6 | 9 | 41823 | $233.40 | 0.7500 | 3/4 | 2 1/2 | 2 1/2 | 0.6245 | 6 | 9 1/2 | 41824 | $233.40 | 0.7812 | 25/32 | 2 1/2 | 2 1/2 | 0.6245 | 6 | 9 1/2 | 41825 | $251.50 | 0.5000 | 1/2 | 2 | 2 | 0.4355 | 6 | 8 | 41816 | $183.65 | 0.5312 | 17/32 | 2 | 2 | 0.4355 | 6 | 8 | 41817 | $190.45 | 0.5625 | 9/16 | 2 | 2 | 0.4355 | 6 | 8 | 41818 | $190.45 | 0.5938 | 19/32 | 2 | 2 | 0.4355 | 6 | 8 | 41819 | $197.95 | 0.6250 | 5/8 | 2 1/4 | 2 1/4 | 0.5615 | 6 | 9 | 41820 | $197.95 | 0.3438 | 11/32 | 1 1/2 | 1 1/2 | 0.2792 | 4 | 6 | 41811 | $175.90 | 0.3750 | 3/8 | 1 3/4 | 1 3/4 | 0.3105 | 4 | 7 | 41812 | $177.55 | 0.4062 | 13/32 | 1 3/4 | 1 3/4 | 0.3105 | 4 | 7 | 41813 | $178.15 | 0.4375 | 7/16 | 1 3/4 | 1 3/4 | 0.3730 | 6 | 7 | 41814 | $180.05 | 0.4688 | 15/32 | 1 3/4 | 1 3/4 | 0.3730 | 6 | 7 | 41815 | $181.70 | 0.2500 | 1/4 | 1/2 | 1 1/2 | 0.2405 | 4 | 6 | 41808 | $155.70 | 0.2812 | 9/32 | 1/2 | 1 1/2 | 0.2485 | 4 | 6 | 41809 | $165.15 | 0.3125 | 5/16 | 1 1/2 | 1 1/2 | 0.2792 | 4 | 6 | 41810 | $174.55 |
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