Type 439 FractionalTools - Reamers - Material Specific Chucking Reamers - Material Specific Reamers with Left Spiral Flutes and Straight Shanks
| Chip Class | Material Machined | Tool Type |
|---|---|---|
| 20 | NON-FERROUS - LONG CHIPS | 433 |
| 40 | NON-FERROUS - SHORT CHIPS | 433 / 437 |
| 60 | CAST IRONS | 437 |
| 80 | LOW STRENGTH STEELS | 439 / 437 |
| 100 | MEDIUM STRENGTH STEELS | 439 |
| 120 | HIGH STRENGTH STEELS | 439 |
| 140 | HIGH TEMPERATURE ALLOYS | 439 |
Description
- Type "C" with short carbide tip
- Left spiral polished flutes and straight shank
- Left spiral flutes should not be used on blind holes
- Tool 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
| Decimal Diameter | Fractional Diameter | Carbide Length | Flute Length | Max Shank Diameter | Number Of Flutes | Overall Length | EDP | Price | 0.2344 | 15/64 | 1/2 | 1 1/2 | 0.2265 | 4 | 6 | 4392344 | $69.65 | 1.5000 | 1 1/2 | 7/8 | 3 1/2 | 1.2495 | 8 | 12 1/2 | 43948 | $254.60 | 1.1875 | 1 3/16 | 7/8 | 2 7/8 | 0.9995 | 8 | 11 | 43938 | $177.30 | 1.2500 | 1 1/4 | 7/8 | 3 | 0.9995 | 8 | 11 1/2 | 43940 | $187.60 | 1.3125 | 1 5/16 | 7/8 | 3 | 0.9995 | 8 | 11 1/2 | 43942 | $207.50 | 1.3750 | 1 3/8 | 7/8 | 3 1/4 | 0.9995 | 8 | 12 | 43944 | $227.40 | 1.4375 | 1 7/16 | 7/8 | 3 1/4 | 0.9995 | 8 | 12 | 43946 | $241.00 | 0.9375 | 15/16 | 3/4 | 2 5/8 | 0.7495 | 8 | 10 | 43930 | $145.40 | 0.9688 | 31/32 | 3/4 | 2 5/8 | 0.7495 | 8 | 10 | 43931 | $152.45 | 1.0000 | 1 | 3/4 | 2 3/4 | 0.8745 | 8 | 10 1/2 | 43932 | $152.45 | 1.0625 | 1 1/16 | 3/4 | 2 3/4 | 0.8745 | 8 | 10 1/2 | 43934 | $163.60 | 1.1250 | 1 1/8 | 7/8 | 2 7/8 | 0.8745 | 8 | 11 | 43936 | $168.70 | 0.7812 | 25/32 | 3/4 | 2 1/2 | 0.6245 | 6 | 9 1/2 | 43925 | $114.15 | 0.8125 | 13/16 | 3/4 | 2 1/2 | 0.6245 | 6 | 9 1/2 | 43926 | $114.15 | 0.8438 | 27/32 | 3/4 | 2 1/2 | 0.6245 | 6 | 9 1/2 | 43927 | $120.30 | 0.8750 | 7/8 | 3/4 | 2 5/8 | 0.7495 | 6 | 10 | 43928 | $124.85 | 0.9062 | 29/32 | 3/4 | 2 5/8 | 0.7495 | 6 | 10 | 43929 | $145.40 | 0.6250 | 5/8 | 5/8 | 2 1/4 | 0.5615 | 6 | 9 | 43920 | $98.60 | 0.6562 | 21/32 | 5/8 | 2 1/4 | 0.5615 | 6 | 9 | 43921 | $101.50 | 0.6875 | 11/16 | 5/8 | 2 1/4 | 0.5615 | 6 | 9 | 43922 | $107.95 | 0.7188 | 23/32 | 5/8 | 2 1/4 | 0.5615 | 6 | 9 | 43923 | $109.55 | 0.7500 | 3/4 | 3/4 | 2 1/2 | 0.6245 | 6 | 9 1/2 | 43924 | $111.20 | 0.4688 | 15/32 | 5/8 | 1 3/4 | 0.3730 | 6 | 7 | 43915 | $89.55 | 0.5000 | 1/2 | 5/8 | 2 | 0.4355 | 6 | 8 | 43916 | $92.85 | 0.5312 | 17/32 | 5/8 | 2 | 0.4355 | 6 | 8 | 43917 | $95.70 | 0.5625 | 9/16 | 5/8 | 2 | 0.4355 | 6 | 8 | 43918 | $95.70 | 0.5938 | 19/32 | 5/8 | 2 | 0.4355 | 6 | 8 | 43919 | $98.60 | 0.3125 | 5/16 | 1/2 | 1 1/2 | 0.2792 | 4 | 6 | 43910 | $69.90 | 0.3438 | 11/32 | 5/8 | 1 1/2 | 0.2792 | 4 | 6 | 43911 | $76.90 | 0.3750 | 3/8 | 5/8 | 1 3/4 | 0.3105 | 4 | 7 | 43912 | $77.65 | 0.4062 | 13/32 | 5/8 | 1 3/4 | 0.3105 | 4 | 7 | 43913 | $81.10 | 0.4375 | 7/16 | 5/8 | 1 3/4 | 0.3730 | 6 | 7 | 43914 | $84.25 | 0.1875 | 3/16 | 1/2 | 1 1/8 | 0.1805 | 4 | 4 1/2 | 43906 | $69.65 | 0.2188 | 7/32 | 1/2 | 1 1/4 | 0.2075 | 4 | 5 | 43907 | $69.65 | 0.2500 | 1/4 | 1/2 | 1 1/2 | 0.2405 | 4 | 6 | 43908 | $69.65 | 0.2812 | 9/32 | 1/2 | 1 1/2 | 0.2485 | 4 | 6 | 43909 | $69.90 |
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