Type 522 FractionalTools - Counterbores - Aircraft Counterbores (Reduced Shank Counterbores) - Aircraft Counterbores with 3 Flutes
| Chip Class | Material Machined | Tool Type |
|---|---|---|
| 20 | NON-FERROUS - LONG CHIPS | 522 |
| 40 | NON-FERROUS - SHORT CHIPS | 522 |
| 60 | CAST IRONS | 522 |
| 80 | LOW STRENGTH STEELS | 522 |
| 100 | MEDIUM STRENGTH STEELS | 522 |
| 120 | HIGH STRENGTH STEELS | 522 |
| 140 | HIGH TEMPERATURE ALLOYS | 522 |
Description
- 3 Flutes
- Furnished with 1/64" courner radius
- Carbide tips brazed to tough alloy steel body
- Tool diameter tolerance: plus .001", minus .000"
- Shank diameter tolerance: plus .0000", minus .001"
- Geometry and carbide grade appropriate for material being machined
- Precision ground cutting edges
- USCTI
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
Use
- For counterboring and spotfacing non-ferrous materials, composites, and non-metals used in airframe manufacturing
| Decimal Diameter | Fractional Diameter | Minimum Cut Diameter | Number Of Flutes | Overall Length | Pilot Hole Diameter | Small Shank Diameter | EDP | Price | 2.0000 | 2 | 0.3430 | 3 | 3 1/16 | 5/16 | 1/2 | 52264 | $323.85 | 1.6875 | 1 11/16 | 0.3430 | 3 | 3 1/16 | 5/16 | 1/2 | 52254 | $227.85 | 1.7500 | 1 3/4 | 0.3430 | 3 | 3 1/16 | 5/16 | 1/2 | 52256 | $231.45 | 1.8125 | 1 13/16 | 0.3430 | 3 | 3 1/16 | 5/16 | 1/2 | 52258 | $234.20 | 1.8750 | 1 7/8 | 0.3430 | 3 | 3 1/16 | 5/16 | 1/2 | 52260 | $235.85 | 1.9375 | 1 15/16 | 0.3430 | 3 | 3 1/16 | 5/16 | 1/2 | 52262 | $260.30 | 1.3750 | 1 3/8 | 0.2810 | 3 | 2 3/4 | 1/4 | 3/8 | 52244 | $187.30 | 1.4375 | 1 7/16 | 0.2810 | 3 | 2 3/4 | 1/4 | 3/8 | 52246 | $189.55 | 1.5000 | 1 1/2 | 0.2810 | 3 | 2 3/4 | 1/4 | 3/8 | 52248 | $199.60 | 1.5625 | 1 9/16 | 0.3430 | 3 | 3 1/16 | 5/16 | 1/2 | 52250 | $222.00 | 1.6250 | 1 5/8 | 0.3430 | 3 | 3 1/16 | 5/16 | 1/2 | 52252 | $224.90 | 1.0625 | 1 1/16 | 0.2190 | 3 | 2 3/4 | 3/16 | 3/8 | 52234 | $165.25 | 1.1250 | 1 1/8 | 0.2190 | 3 | 2 3/4 | 3/16 | 3/8 | 52236 | $176.25 | 1.1875 | 1 3/16 | 0.2190 | 3 | 2 3/4 | 3/16 | 3/8 | 52238 | $178.55 | 1.2500 | 1 1/4 | 0.2810 | 3 | 2 3/4 | 1/4 | 3/8 | 52240 | $181.80 | 1.3125 | 1 5/16 | 0.2810 | 3 | 2 3/4 | 1/4 | 3/8 | 52242 | $185.20 | 0.8750 | 7/8 | 0.2190 | 3 | 2 3/4 | 3/16 | 1/4 | 52228 | $126.15 | 0.9062 | 29/32 | 0.2190 | 3 | 2 3/4 | 3/16 | 1/4 | 52229 | $126.90 | 0.9375 | 15/16 | 0.2190 | 3 | 2 3/4 | 3/16 | 1/4 | 52230 | $128.10 | 0.9688 | 31/32 | 0.2190 | 3 | 2 3/4 | 3/16 | 1/4 | 52231 | $129.05 | 1.0000 | 1 | 0.2190 | 3 | 2 3/4 | 3/16 | 1/4 | 52232 | $129.45 | 0.7188 | 23/32 | 0.2190 | 3 | 2 3/4 | 3/16 | 1/4 | 52223 | $120.95 | 0.7500 | 3/4 | 0.2190 | 3 | 2 3/4 | 3/16 | 1/4 | 52224 | $122.50 | 0.7812 | 25/32 | 0.2190 | 3 | 2 3/4 | 3/16 | 1/4 | 52225 | $122.90 | 0.8125 | 13/16 | 0.2190 | 3 | 2 3/4 | 3/16 | 1/4 | 52226 | $124.00 | 0.8438 | 27/32 | 0.2190 | 3 | 2 3/4 | 3/16 | 1/4 | 52227 | $124.95 | 0.5625 | 9/16 | 0.1560 | 3 | 2 3/4 | 1/8 | 1/4 | 52218 | $98.60 | 0.5938 | 19/32 | 0.1560 | 3 | 2 3/4 | 1/8 | 1/4 | 52219 | $99.10 | 0.6250 | 5/8 | 0.1560 | 3 | 2 3/4 | 1/8 | 1/4 | 52220 | $100.25 | 0.6562 | 21/32 | 0.2190 | 3 | 2 3/4 | 3/16 | 1/4 | 52221 | $111.35 | 0.6875 | 11/16 | 0.2190 | 3 | 2 3/4 | 3/16 | 1/4 | 52222 | $117.00 | 0.4062 | 13/32 | 0.1560 | 3 | 2 3/4 | 1/8 | 1/4 | 52213 | $88.05 | 0.4375 | 7/16 | 0.1560 | 3 | 2 3/4 | 1/8 | 1/4 | 52214 | $94.90 | 0.4688 | 15/32 | 0.1560 | 3 | 2 3/4 | 1/8 | 1/4 | 52215 | $96.50 | 0.5000 | 1/2 | 0.1560 | 3 | 2 3/4 | 1/8 | 1/4 | 52216 | $97.65 | 0.5312 | 17/32 | 0.1560 | 3 | 2 3/4 | 1/8 | 1/4 | 52217 | $98.20 | 0.2500 | 1/4 | 0.1250 | 3 | 2 3/8 | 3/32 | 1/4 | 52208 | $73.70 | 0.2812 | 9/32 | 0.1250 | 3 | 2 3/8 | 3/32 | 1/4 | 52209 | $73.80 | 0.3125 | 5/16 | 0.1250 | 3 | 2 3/8 | 3/32 | 1/4 | 52210 | $75.70 | 0.3438 | 11/32 | 0.1250 | 3 | 2 3/8 | 3/32 | 1/4 | 52211 | $77.20 | 0.3750 | 3/8 | 0.1250 | 3 | 2 3/8 | 3/32 | 1/4 | 52212 | $77.45 |