Type 488 FractionalTools - Reamers - Material Specific Chucking Reamers - Reamers for Steel with Straight Flutes and Straight Shanks - Dowell Pin Size & Over/Under Size Reamers with Straight Flutes and Straight Shanks For Steels
| Chip Class | Material Machined | Tool Type |
|---|---|---|
| 80 | LOW STRENGTH STEELS | 488 |
| 100 | MEDIUM STRENGTH STEELS | 488 |
| 120 | HIGH STRENGTH STEELS | 488 |
Description
- Tool diameter tolerance: plus .0002", minus .0000"
- Polished straight flutes with steel cutting grade flute long carbide
- Special steel cutting tool geometry:
Positive radial rake (behind center)
Narrow circular lands
Minimum back taper - Longer flutes than Type 450 on .5971" tool diameter and larger for straight deep 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
- These precision ground carbide tipped reamers are very convenient for finishing accurate holes in steels, tough steel alloys and cast steels.
| Decimal Diameter | Carbide Length | Flute Length | Max Shank Diameter | Number Of Flutes | Overall Length | EDP | Price | 0.5010 | 2 | 2 | 0.4355 | 6 | 8 | 48850 | $102.55 | 0.3740 | 1 3/4 | 1 3/4 | 0.3105 | 4 | 7 | 48837 | $80.85 | 0.3760 | 1 3/4 | 1 3/4 | 0.3105 | 4 | 7 | 48838 | $80.85 | 0.4365 | 1 3/4 | 1 3/4 | 0.3730 | 6 | 7 | 48843 | $95.00 | 0.4385 | 1 3/4 | 1 3/4 | 0.3730 | 6 | 7 | 48844 | $95.00 | 0.4990 | 2 | 2 | 0.4355 | 6 | 8 | 48849 | $102.55 | 0.1885 | 1 1/8 | 1 1/8 | 0.1805 | 4 | 4 1/2 | 48819 | $77.15 | 0.2490 | 1 1/2 | 1 1/2 | 0.2405 | 4 | 6 | 48824 | $77.15 | 0.2510 | 1 1/2 | 1 1/2 | 0.2405 | 4 | 6 | 48825 | $77.15 | 0.3115 | 1 1/2 | 1 1/2 | 0.2792 | 4 | 6 | 48831 | $78.55 | 0.3135 | 1 1/2 | 1 1/2 | 0.2792 | 4 | 6 | 48832 | $78.55 | 0.1865 | 1 1/8 | 1 1/8 | 0.1805 | 4 | 4 1/2 | 48818 | $77.15 |
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