Type 672 FractionalTools - Drills - Hard Steel Die Drills - Die Drills with a Positive Cutting Edge and 118° Point
| Chip Class | Material Machined | Tool Type |
|---|---|---|
| 20 | NON-FERROUS - LONG CHIPS | 673 / 672 |
| 40 | NON-FERROUS - SHORT CHIPS | 672 / 673 |
| 60 | CAST IRONS | 672 / 673 |
| 80 | LOW STRENGTH STEELS | 670 / 671 |
| 100 | MEDIUM STRENGTH STEELS | 673 / 672 |
| 120 | HIGH STRENGTH STEELS | 671 / 670 |
| 140 | HIGH TEMPERATURE ALLOYS | 673 / 672 |
Discontinued, While Supplies Last.
Description
- Die drill - positive angle cutting edge
- Thinned web which permits higher feed rates with less spindle power
- Drill body diameter smaller than tool diameter to prevent gauling
- Carbide tip high temperature brazed to hardened tool steel body
- Smooth flutes for effective chip flow
- Precision ground to insure concentricity of tip & body
- All dimensional & element tolerances conform to one of:
ASME/ANSI B94.11M
ISO - International Organization for Standardization
NAS 907 - National Aerospace Standards
USCTI - United States Cutting Tool Institute (formerly MCTI)
Modifications
- Modified tool diameter
- Modified metric tool diameter
- Modified point and / or angle
- Shortened shank or reduced shank diameter
- Reduced shank diameter
- Flat(s) on shank
Coatings available:
- TITANIUM NITRIDE - TiN
- TITANIUM CARBONITRIDE - TiCN
- ZIRCONIUM NITRIDE - ZrN
- AL TITANIUM NITRIDE - AITiN
Use
- For drilling hardened steel in the range of 35 to 65 Rockwell C
- Will cut without annealing the workpiece
- Light feed with steady pressure - clear chips frequently
- Flood the cutting point with coolant
| Decimal Diameter | Fractional Diameter | Flute Length | Overall Length | EDP | Price | 0.9375 | 15/16 | 4 3/4 | 8 | 67260 | $256.00 | 1.0000 | 1 | 4 3/4 | 8 | 67264 | $271.55 | 0.7188 | 23/32 | 4 3/4 | 8 | 67246 | $122.25 | 0.7500 | 3/4 | 4 3/4 | 8 | 67248 | $125.65 | 0.7812 | 25/32 | 4 3/4 | 8 | 67250 | $242.55 | 0.8125 | 13/16 | 4 3/4 | 8 | 67252 | $225.20 | 0.8750 | 7/8 | 4 3/4 | 8 | 67256 | $229.80 | 0.5625 | 9/16 | 3 1/2 | 6 | 67236 | $97.30 | 0.5938 | 19/32 | 4 | 7 | 67238 | $103.05 | 0.6250 | 5/8 | 4 | 7 | 67240 | $106.15 | 0.6562 | 21/32 | 4 1/2 | 7 1/2 | 67242 | $113.65 | 0.6875 | 11/16 | 4 1/2 | 7 1/2 | 67244 | $116.65 | 0.4531 | 29/64 | 3 | 5 1/2 | 67229 | $66.80 | 0.4688 | 15/32 | 3 1/4 | 5 3/4 | 67230 | $70.00 | 0.4844 | 31/64 | 3 1/4 | 5 3/4 | 67231 | $84.90 | 0.5000 | 1/2 | 3 1/2 | 6 | 67232 | $82.10 | 0.5312 | 17/32 | 3 1/2 | 6 | 67234 | $94.05 | 0.3750 | 3/8 | 3 | 5 | 67224 | $46.95 | 0.3906 | 25/64 | 3 | 5 | 67225 | $52.85 | 0.4062 | 13/32 | 3 | 5 1/4 | 67226 | $54.85 | 0.4219 | 27/64 | 3 | 5 1/4 | 67227 | $59.30 | 0.4375 | 7/16 | 3 | 5 1/2 | 67228 | $63.75 | 0.2969 | 19/64 | 2 1/4 | 4 1/4 | 67219 | $40.95 | 0.3125 | 5/16 | 2 1/2 | 4 1/2 | 67220 | $40.95 | 0.3281 | 21/64 | 2 1/2 | 4 1/2 | 67221 | $43.65 | 0.3438 | 11/32 | 2 3/4 | 4 3/4 | 67222 | $43.65 | 0.3594 | 23/64 | 2 3/4 | 4 3/4 | 67223 | $46.95 | 0.2188 | 7/32 | 1 3/4 | 3 3/4 | 67214 | $35.85 | 0.2344 | 15/64 | 1 3/4 | 3 3/4 | 67215 | $37.00 | 0.2500 | 1/4 | 2 | 4 | 67216 | $37.00 | 0.2656 | 17/64 | 2 | 4 | 67217 | $39.15 | 0.2812 | 9/32 | 2 1/4 | 4 1/4 | 67218 | $39.15 | 0.1875 | 3/16 | 1 1/2 | 3 1/2 | 67212 | $34.70 | 0.2031 | 13/64 | 1 1/2 | 3 1/2 | 67213 | $34.70 |
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