Type 478 FractionalTools - Reamers - General Purpose Chucking Reamers - Reamers with Straight Shank and Straight Flutes - Dowell Pin Size & Over/Under Size Reamers with Straight Flutes and Straight Shanks
| Chip Class | Material Machined | Tool Type |
|---|---|---|
| 20 | NON-FERROUS - LONG CHIPS | - |
| 40 | NON-FERROUS - SHORT CHIPS | - |
| 60 | CAST IRONS | - |
| 80 | LOW STRENGTH STEELS | - |
| 100 | MEDIUM STRENGTH STEELS | - |
| 120 | HIGH STRENGTH STEELS | - |
Description
- Tool diameter tolerance: plus .0002", minus .0000"
- Straight polished flutes and straight shank
- Carbide tips brazed to tough hardened alloy steel body
- 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
Use
- These precision ground carbide tipped reamers are very convenient for finishing accurate holes in most materials
| Decimal Diameter | Tool Diameter Mm | Carbide Length | Flute Length | Number Of Flutes | Overall Length | Shank Diameter | EDP | Price | 0.7490 | 3/4 | 2 1/2 | 6 | 9 1/2 | 5/8 | 47874 | $97.25 | 0.7510 | 3/4 | 2 1/2 | 6 | 9 1/2 | 5/8 | 47875 | $97.25 | 0.6240 | 5/8 | 2 1/4 | 6 | 9 | 9/16 | 47862 | $92.25 | 0.6260 | 5/8 | 2 1/4 | 6 | 9 | 9/16 | 47863 | $92.25 | 0.4385 | 5/8 | 1 3/4 | 4 | 7 | 3/8 | 47844 | $70.20 | 0.4990 | 5/8 | 2 | 6 | 8 | 7/16 | 47849 | $76.90 | 0.5010 | 5/8 | 2 | 6 | 8 | 7/16 | 47850 | $76.90 | 0.3760 | 5/8 | 1 3/4 | 4 | 7 | 5/16 | 47838 | $62.80 | 0.4365 | 5/8 | 1 3/4 | 4 | 7 | 3/8 | 47843 | $70.20 | 0.3115 | 1/2 | 1 1/2 | 4 | 6 | 9/32 | 47831 | $60.55 | 0.3135 | 1/2 | 1 1/2 | 4 | 6 | 9/32 | 47832 | $60.55 | 0.3740 | 9.5 | 5/8 | 1 3/4 | 4 | 7 | 5/16 | 47837 | $62.80 | 0.2490 | 1/2 | 1 1/2 | 4 | 6 | 15/64 | 47824 | $59.25 | 0.2510 | 1/2 | 1 1/2 | 4 | 6 | 15/64 | 47825 | $59.25 | 0.1865 | 1/2 | 1 1/8 | 4 | 4 1/2 | 11/64 | 47818 | $59.25 | 0.1885 | 1/2 | 1 1/8 | 4 | 4 1/2 | 11/64 | 47819 | $59.25 | 0.8760 | 3/4 | 2 5/8 | 6 | 10 | 3/4 | 47887 | $107.20 | 0.9990 | 3/4 | 2 3/4 | 8 | 10 1/2 | 7/8 | 47898 | $127.35 | 1.0010 | 3/4 | 2 3/4 | 8 | 10 1/2 | 7/8 | 47899 | $122.05 | 47800 | $678.20 | 0.8740 | 3/4 | 2 5/8 | 6 | 10 | 3/4 | 47886 | $103.30 |