Type 476 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
- Special plus .0000", minus .0002" tool diameter tolerance
- 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 reamers should be used in pairs, .0005" and .0020" under the dowel pin diameter. The .0020" smaller holes assure a tighter dowel pin fit, so all the pins will remain on the same side upon disassembly. Especially useful in plastic or die cast molds and machines when assembled sections are subject to shearing stress, yet require occasional disassembly.
| Decimal Diameter | Carbide Length | Flute Length | Number Of Flutes | Overall Length | Shank Diameter | EDP | Price | 0.4995 | 5/8 | 2 | 6 | 8 | 7/16 | 47649 | $76.90 | 0.3730 | 5/8 | 1 3/4 | 4 | 7 | 5/16 | 47636 | $62.80 | 0.3745 | 5/8 | 1 3/4 | 4 | 7 | 5/16 | 47637 | $62.80 | 0.4355 | 5/8 | 1 3/4 | 4 | 7 | 3/8 | 47642 | $70.20 | 0.4370 | 5/8 | 1 3/4 | 4 | 7 | 3/8 | 47643 | $70.20 | 0.4980 | 5/8 | 2 | 6 | 8 | 7/16 | 47648 | $76.90 | 0.1870 | 1/2 | 1 1/8 | 4 | 4 1/2 | 11/64 | 47618 | $59.25 | 0.2480 | 1/2 | 1 1/2 | 4 | 6 | 15/64 | 47623 | $59.25 | 0.2495 | 1/2 | 1 1/2 | 4 | 6 | 15/64 | 47624 | $59.25 | 0.3105 | 1/2 | 1 1/2 | 4 | 6 | 9/32 | 47630 | $60.55 | 0.3120 | 1/2 | 1 1/2 | 4 | 6 | 9/32 | 47631 | $60.55 | 0.1855 | 1/2 | 1 1/8 | 4 | 4 1/2 | 11/64 | 47617 | $59.25 |