Type 578 FractionalTools - Counterbores - Stub Length Counterbores - Radial Drive Counterbores For Steels
| Chip Class | Material Machined | Tool Type |
|---|---|---|
| 20 | NON-FERROUS - LONG CHIPS | 577 |
| 40 | NON-FERROUS - SHORT CHIPS | 577 |
| 60 | CAST IRONS | 577 |
| 80 | LOW STRENGTH STEELS | 578 |
| 100 | MEDIUM STRENGTH STEELS | 578 |
| 120 | HIGH STRENGTH STEELS | 578 |
| 140 | HIGH TEMPERATURE ALLOYS | 577 |
Description
- 10º right spiral flutes
- Body length 1 1/2"
- Tool diameter tolerance: plus .001", minus .000"
- Counterbore's set screw design accepts short shank pilots or threaded long shank pilots
- Tool geometry and carbide grade appropriate for material being machined
Modifications
- Modified tool diameter - priced below
- Metric tool diameter
- Cutting diameter reduced for step
- Corner chamfer or corner radius
Coatings available:
- TITANIUM NITRIDE - TiN
- TITANIUM CARBONITRIDE - TiCN
- ZIRCONIUM NITRIDE - ZrN
- AL TITANIUM NITRIDE - AITiN
| Decimal Diameter | Fractional Diameter | Carbide Length | Large Shank Diameter | Minimum Cut Diameter | Number Of Flutes | Overall Length | Pilot Hole Diameter | Radial Drive Size | EDP | Price | 3.0000 | 3 | 1/2 | 1 3/4 | 0.5625 | 6 | 3 1/8 | 1/2 | RS | 57896 | $630.05 | 2.3750 | 2 3/8 | 1/2 | 1 3/8 | 0.5625 | 6 | 3 1/16 | 1/2 | RJ | 57876 | $514.25 | 2.5000 | 2 1/2 | 1/2 | 1 3/8 | 0.5625 | 6 | 3 1/16 | 1/2 | RJ | 57880 | $535.95 | 2.6250 | 2 5/8 | 1/2 | 1 3/8 | 0.5625 | 6 | 3 1/16 | 1/2 | RJ | 57884 | $548.25 | 2.7500 | 2 3/4 | 1/2 | 1 3/4 | 0.5625 | 6 | 3 1/8 | 1/2 | RS | 57888 | $557.15 | 2.8750 | 2 7/8 | 1/2 | 1 3/4 | 0.5625 | 6 | 3 1/8 | 1/2 | RS | 57892 | $587.20 | 1.8750 | 1 7/8 | 1/2 | 1 1/8 | 0.4844 | 6 | 3 1/16 | 7/16 | RF | 57860 | $417.20 | 2.0000 | 2 | 1/2 | 1 1/8 | 0.4844 | 6 | 3 1/16 | 7/16 | RF | 57864 | $454.40 | 2.0000 | 2 | 1/2 | 1 3/8 | 0.5625 | 6 | 3 1/16 | 1/2 | RJ | 57865 | $454.40 | 2.1250 | 2 1/8 | 1/2 | 1 3/8 | 0.5625 | 6 | 3 1/16 | 1/2 | RJ | 57868 | $466.70 | 2.2500 | 2 1/4 | 1/2 | 1 3/8 | 0.5625 | 6 | 3 1/16 | 1/2 | RJ | 57872 | $487.20 | 1.5000 | 1 1/2 | 1/2 | 1 | 0.3594 | 4 | 3 | 5/16 | RE | 57848 | $301.50 | 1.5000 | 1 1/2 | 1/2 | 1 1/8 | 0.4844 | 4 | 3 1/16 | 7/16 | RF | 57849 | $313.85 | 1.6250 | 1 5/8 | 1/2 | 1 | 0.3594 | 4 | 3 | 5/16 | RE | 57852 | $313.85 | 1.6250 | 1 5/8 | 1/2 | 1 1/8 | 0.4844 | 4 | 3 1/16 | 7/16 | RF | 57853 | $322.35 | 1.7500 | 1 3/4 | 1/2 | 1 1/8 | 0.4844 | 6 | 3 1/16 | 7/16 | RF | 57856 | $396.35 | 1.1875 | 1 3/16 | 3/4 | 3/4 | 0.3594 | 4 | 2 7/8 | 5/16 | RC | 57838 | $247.75 | 1.2500 | 1 1/4 | 3/4 | 3/4 | 0.3594 | 4 | 2 7/8 | 5/16 | RC | 57840 | $247.75 | 1.3125 | 1 5/16 | 3/4 | 3/4 | 0.3594 | 4 | 2 7/8 | 5/16 | RC | 57842 | $247.75 | 1.3750 | 1 3/8 | 3/4 | 3/4 | 0.3594 | 4 | 2 7/8 | 5/16 | RC | 57844 | $247.75 | 1.3750 | 1 3/8 | 3/4 | 1 | 0.3594 | 4 | 3 | 5/16 | RE | 57845 | $268.75 | 0.9375 | 15/16 | 3/4 | 5/8 | 0.2969 | 4 | 2 7/8 | 1/4 | RB | 57830 | $227.55 | 1.0000 | 1 | 3/4 | 5/8 | 0.2969 | 4 | 2 7/8 | 1/4 | RB | 57832 | $227.55 | 1.0000 | 1 | 3/4 | 3/4 | 0.3594 | 4 | 2 7/8 | 5/16 | RC | 57833 | $231.60 | 1.0625 | 1 1/16 | 3/4 | 3/4 | 0.3594 | 4 | 2 7/8 | 5/16 | RC | 57834 | $231.60 | 1.1250 | 1 1/8 | 3/4 | 3/4 | 0.3594 | 4 | 2 7/8 | 5/16 | RC | 57836 | $231.60 | 0.6250 | 5/8 | 3/4 | 5/8 | 0.2188 | 3 | 2 7/8 | 3/16 | RB | 57820 | $210.90 | 0.6875 | 11/16 | 3/4 | 5/8 | 0.2969 | 3 | 2 7/8 | 1/4 | RB | 57822 | $210.90 | 0.7500 | 3/4 | 3/4 | 5/8 | 0.2969 | 4 | 2 7/8 | 1/4 | RB | 57824 | $210.90 | 0.8125 | 13/16 | 3/4 | 5/8 | 0.2969 | 4 | 2 7/8 | 1/4 | RB | 57826 | $214.95 | 0.8750 | 7/8 | 3/4 | 5/8 | 0.2969 | 4 | 2 7/8 | 1/4 | RB | 57828 | $214.95 | 0.5000 | 1/2 | 3/4 | 5/8 | 0.2188 | 3 | 2 7/8 | 3/16 | RB | 57816 | $210.90 | 0.5625 | 9/16 | 3/4 | 5/8 | 0.2188 | 3 | 2 7/8 | 3/16 | RB | 57818 | $210.90 |