Type 420 FractionalTools - Reamers - General Purpose Chucking Reamers - Reamers with Left Spiral Flutes and Straight Shanks
| Chip Class | Material Machined | Tool Type |
|---|---|---|
| 20 | NON-FERROUS - LONG CHIPS | 420 / 433 |
| 40 | NON-FERROUS - SHORT CHIPS | 420 / 433 |
| 60 | CAST IRONS | 420 / 437 |
| 80 | LOW STRENGTH STEELS | 420 / 439 |
| 100 | MEDIUM STRENGTH STEELS | 420 / 439 |
| 120 | HIGH STRENGTH STEELS | 420 / 439 |
| 140 | HIGH TEMPERATURE ALLOYS | 439 |
Description
- Polished flutes
- Used on thru holes for heat treated steels, hard cast irons and other hard materials
- Finishes are much better as spiral flutes tend to bridge interruptions such as keyways, slots, or intersecting holes
- Left spiral flutes should not be used on blind holes
- 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
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
| Decimal Diameter | Fractional Diameter | Carbide Length | Flute Length | Number Of Flutes | Overall Length | Shank Diameter | EDP | Price | 0.2344 | 15/64 | 1/2 | 1 1/2 | 4 | 6 | 7/32 | 4202344 | $60.60 | 1.3750 | 1 3/8 | 7/8 | 3 1/4 | 8 | 12 | 1 | 42044 | $197.80 | 1.4375 | 1 7/16 | 7/8 | 3 1/4 | 8 | 12 | 1 1/4 | 42046 | $209.50 | 1.5000 | 1 1/2 | 7/8 | 3 1/2 | 8 | 12 1/2 | 1 1/4 | 42048 | $221.35 | 1.0625 | 1 1/16 | 3/4 | 2 3/4 | 8 | 10 1/2 | 7/8 | 42034 | $142.30 | 1.1250 | 1 1/8 | 7/8 | 2 7/8 | 8 | 11 | 7/8 | 42036 | $146.70 | 1.1875 | 1 3/16 | 7/8 | 2 7/8 | 8 | 11 | 1 | 42038 | $154.15 | 1.2500 | 1 1/4 | 7/8 | 3 | 8 | 11 1/2 | 1 | 42040 | $163.15 | 1.3125 | 1 5/16 | 7/8 | 3 | 8 | 11 1/2 | 1 | 42042 | $180.45 | 0.8750 | 7/8 | 3/4 | 2 5/8 | 6 | 10 | 3/4 | 42028 | $108.55 | 0.9062 | 29/32 | 3/4 | 2 5/8 | 6 | 10 | 3/4 | 42029 | $126.45 | 0.9375 | 15/16 | 3/4 | 2 5/8 | 8 | 10 | 3/4 | 42030 | $126.45 | 0.9688 | 31/32 | 3/4 | 2 5/8 | 8 | 10 | 3/4 | 42031 | $132.60 | 1.0000 | 1 | 3/4 | 2 3/4 | 8 | 10 1/2 | 7/8 | 42032 | $132.60 | 0.7188 | 23/32 | 5/8 | 2 1/4 | 6 | 9 | 9/16 | 42023 | $95.20 | 0.7500 | 3/4 | 3/4 | 2 1/2 | 6 | 9 1/2 | 5/8 | 42024 | $96.70 | 0.7812 | 25/32 | 3/4 | 2 1/2 | 6 | 9 1/2 | 5/8 | 42025 | $99.15 | 0.8125 | 13/16 | 3/4 | 2 1/2 | 6 | 9 1/2 | 5/8 | 42026 | $99.15 | 0.8438 | 27/32 | 3/4 | 2 1/2 | 6 | 9 1/2 | 5/8 | 42027 | $104.60 | 0.5625 | 9/16 | 5/8 | 2 | 6 | 8 | 7/16 | 42018 | $83.25 | 0.5938 | 19/32 | 5/8 | 2 | 6 | 8 | 7/16 | 42019 | $85.75 | 0.6250 | 5/8 | 5/8 | 2 1/4 | 6 | 9 | 9/16 | 42020 | $85.75 | 0.6562 | 21/32 | 5/8 | 2 1/4 | 6 | 9 | 9/16 | 42021 | $88.20 | 0.6875 | 11/16 | 5/8 | 2 1/4 | 6 | 9 | 9/16 | 42022 | $93.95 | 0.4062 | 13/32 | 5/8 | 1 3/4 | 4 | 7 | 5/16 | 42013 | $70.50 | 0.4375 | 7/16 | 5/8 | 1 3/4 | 4 | 7 | 3/8 | 42014 | $73.40 | 0.4688 | 15/32 | 5/8 | 1 3/4 | 4 | 7 | 3/8 | 42015 | $77.85 | 0.5000 | 1/2 | 5/8 | 2 | 6 | 8 | 7/16 | 42016 | $80.85 | 0.5312 | 17/32 | 5/8 | 2 | 6 | 8 | 7/16 | 42017 | $83.25 | 0.2500 | 1/4 | 1/2 | 1 1/2 | 4 | 6 | 15/64 | 42008 | $60.60 | 0.2812 | 9/32 | 1/2 | 1 1/2 | 4 | 6 | 15/64 | 42009 | $60.80 | 0.3125 | 5/16 | 1/2 | 1 1/2 | 4 | 6 | 9/32 | 42010 | $60.80 | 0.3438 | 11/32 | 5/8 | 1 1/2 | 4 | 6 | 9/32 | 42011 | $66.85 | 0.3750 | 3/8 | 5/8 | 1 3/4 | 4 | 7 | 5/16 | 42012 | $67.50 | 0.1875 | 3/16 | 1/2 | 1 1/8 | 4 | 4 1/2 | 11/64 | 42006 | $60.60 | 0.2188 | 7/32 | 1/2 | 1 1/4 | 4 | 5 | 13/64 | 42007 | $60.60 |
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