Type 428h6 MetricTools - Reamers - h6 Shank Reamers - h6 Shank Reamers with Left Spiral Flutes and Flute Fed Coolant for Through Holes
| Chip Class | Material Machined | Tool Type |
|---|---|---|
| 20 | NON-FERROUS - LONG CHIPS | 427h6 |
| 40 | NON-FERROUS - SHORT CHIPS | 427h6 / 428h6 |
| 60 | CAST IRONS | 428h6 |
| 80 | LOW STRENGTH STEELS | 429h6 / 428h6 |
| 100 | MEDIUM STRENGTH STEELS | 429h6 |
| 120 | HIGH STRENGTH STEELS | 429h6 |
| 140 | HIGH TEMPERATURE ALLOYS | 429h6 |
Description
- Coolant outlets in each flute
- Flute long carbide
- Polished flutes
- Tool geometry and carbide appropriate for material being machined.
Modifications
- End chamfer other than 45°
- End cutting or corner radius
- Increased/Decreased back taper
- Closer tool diameter tolerance (.0001")
- Cutting diameter reduced for step or pilot (Some modifications may affect the TIR)
Coatings available:
- TITANIUM NITRIDE - TiN
- TITANIUM CARBONITRIDE - TiCN
- ZIRCONIUM NITRIDE - ZrN
- AL TITANIUM NITRIDE - AITiN
Use
- Flute coolant outlets for reaming thru holes as chips are flushed forward through the hold being reamed
- Improves hole finish and permits higher feeds and speeds with longer tool life
| Tool Diameter Range | Flute Length Mm | Number Of Flutes | Overall Length Mm | Shank Diameter Mm | EDP | 24.1280 - 25.1270 | 70 | 8 | 152.5 | 20 | 428250h6 | 21.1280 - 22.1270 | 64 | 6 | 152.5 | 20 | 428220h6 | 22.1280 - 23.1270 | 67 | 6 | 152.5 | 20 | 428230h6 | 23.1280 - 24.1270 | 67 | 8 | 152.5 | 20 | 428240h6 | 19.2510 - 20.1260 | 64 | 6 | 152.5 | 16 | 428200h6 | 20.1270 - 21.1270 | 64 | 6 | 152.5 | 16 | 428210h6 | 16.7410 - 17.5510 | 57 | 6 | 152.5 | 14 | 428175h6 | 17.5520 - 18.3400 | 57 | 6 | 152.5 | 14 | 428180h6 | 18.3410 - 19.2500 | 64 | 6 | 152.5 | 16 | 428190h6 | 14.3770 - 15.1640 | 51 | 6 | 152.5 | 12 | 428150h6 | 15.1650 - 16.1000 | 57 | 6 | 152.5 | 14 | 428160h6 | 16.1010 - 16.7400 | 57 | 6 | 152.5 | 14 | 428165h6 | 12.8760 - 13.5650 | 51 | 6 | 152.5 | 12 | 428135h6 | 13.5660 - 14.3760 | 51 | 6 | 152.5 | 12 | 428140h6 | 8.8150 - 9.6012 | 45 | 4 | 127 | 8 | 428095h6 | 9.6020 - 10.3890 | 45 | 4 | 127 | 8 | 428100h6 | 10.3900 - 11.2013 | 45 | 6 | 127 | 10 | 428110h6 | 11.2020 - 12.0000 | 45 | 6 | 127 | 10 | 428120h6 | 12.0010 - 12.8750 | 51 | 6 | 152.5 | 10 | 428125h6 |
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