Type 482STTools - Reamers - Step Reamers - Step Reamers with Left Spiral Flutes
| Chip Class | Material Machined | Tool Type |
|---|---|---|
| 20 | NON-FERROUS - LONG CHIPS | 482ST |
| 40 | NON-FERROUS - SHORT CHIPS | 482ST / 483ST |
| 60 | CAST IRONS | 483ST |
| 80 | LOW STRENGTH STEELS | 484ST / 483ST |
| 100 | MEDIUM STRENGTH STEELS | 484ST |
| 120 | HIGH STRENGTH STEELS | 484ST |
| 140 | HIGH TEMPERATURE ALLOYS | 484ST |
Description
- Type "C" with flute long carbide
- Left spiral polished flutes and straight shank
- 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
- 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
| Tool Diameter Range | Carbide Length | Diameter Non Cut Pilot Min | Flute Length | Max Shank Diameter | Number Of Flutes | Overall Length | EDP | 1.3781 - 1.4405 | 3 1/4 | 1.296 | 3 1/4 | 0.9995 | 8 | 12 | 48246ST | 1.4406 - 1.5030 | 3 1/2 | 1.355 | 3 1/2 | 1.2495 | 8 | 12 1/2 | 48248ST | 1.0661 - 1.1280 | 2 7/8 | 1.002 | 2 7/8 | 0.8745 | 8 | 11 | 48236ST | 1.1281 - 1.1905 | 2 7/8 | 1.061 | 2 7/8 | 0.9995 | 8 | 11 | 48238ST | 1.1906 - 1.2530 | 3 | 1.12 | 3 | 0.9995 | 8 | 11 1/2 | 48240ST | 1.2531 - 1.3155 | 3 | 1.178 | 3 | 0.9995 | 8 | 11 1/2 | 48242ST | 1.3156 - 1.3780 | 3 1/4 | 1.237 | 3 1/4 | 0.9995 | 8 | 12 | 48244ST | 0.8781 - 0.9090 | 2 5/8 | 0.826 | 2 5/8 | 0.7495 | 6 | 10 | 48229ST | 0.9091 - 0.9410 | 2 5/8 | 0.855 | 2 5/8 | 0.7495 | 8 | 10 | 48230ST | 0.9411 - 0.9720 | 2 5/8 | 0.885 | 2 5/8 | 0.7495 | 8 | 10 | 48231ST | 0.9721 - 1.0030 | 2 3/4 | 0.914 | 2 3/4 | 0.8745 | 8 | 10 1/2 | 48232ST | 1.0031 - 1.0660 | 2 3/4 | 0.943 | 2 3/4 | 0.8745 | 8 | 10 1/2 | 48234ST | 0.7221 - 0.7530 | 2 1/2 | 0.679 | 2 1/2 | 0.6245 | 6 | 9 1/2 | 48224ST | 0.7531 - 0.7840 | 2 1/2 | 0.708 | 2 1/2 | 0.6245 | 6 | 9 1/2 | 48225ST | 0.7841 - 0.8160 | 2 1/2 | 0.737 | 2 1/2 | 0.6245 | 6 | 9 1/2 | 48226ST | 0.8161 - 0.8470 | 2 1/2 | 0.767 | 2 1/2 | 0.6245 | 6 | 9 1/2 | 48227ST | 0.8471 - 0.8780 | 2 5/8 | 0.797 | 2 5/8 | 0.7495 | 6 | 10 | 48228ST | 0.5661 - 0.5970 | 2 | 0.532 | 2 | 0.4355 | 6 | 8 | 48219ST | 0.5971 - 0.6280 | 2 1/4 | 0.561 | 2 1/4 | 0.5615 | 6 | 9 | 48220ST | 0.6281 - 0.6590 | 2 1/4 | 0.59 | 2 1/4 | 0.5615 | 6 | 9 | 48221ST | 0.6591 - 0.6910 | 2 1/4 | 0.62 | 2 1/4 | 0.5615 | 6 | 9 | 48222ST | 0.6911 - 0.7220 | 2 1/4 | 0.65 | 2 1/4 | 0.5615 | 6 | 9 | 48223ST | 0.4091 - 0.4410 | 1 3/4 | 0.385 | 1 3/4 | 0.373 | 6 | 7 | 48214ST | 0.4411 - 0.4720 | 1 3/4 | 0.415 | 1 3/4 | 0.373 | 6 | 7 | 48215ST | 0.4721 - 0.5030 | 2 | 0.444 | 2 | 0.4355 | 6 | 8 | 48216ST | 0.5031 - 0.5340 | 2 | 0.473 | 2 | 0.4355 | 6 | 8 | 48217ST | 0.5341 - 0.5660 | 2 | 0.502 | 2 | 0.4355 | 6 | 8 | 48218ST | 0.2841 - 0.3150 | 1 1/2 | 0.267 | 1 1/2 | 0.2792 | 4 | 6 | 48210ST | 0.3151 - 0.3470 | 1 1/2 | 0.296 | 1 1/2 | 0.2792 | 4 | 6 | 48211ST | 0.3471 - 0.3780 | 1 3/4 | 0.326 | 1 3/4 | 0.3105 | 4 | 7 | 48212ST | 0.3781 - 0.4090 | 1 3/4 | 0.355 | 1 3/4 | 0.3105 | 4 | 7 | 48213ST |
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