- 5318 Victory Drive
Indianapolis, IN 46203 - (800) 622-4824
- www.haggard-stocking.com
1/4 Cobalt Oxide/Gold Finish 135 Deg. Split 12 Inch OAL Series CO500-12 Aircraft Extension Drill
- Item Code: 052616
- Brand: Precision Twist Drill
- Unit Size: 1
Description
Containing 13 500-12 long series aircraft extension drill bits conforming to NAS907 type J, in fractional sizes from 1/16? to 1/4? in 1/64 ? increments (13 drills in all), the CO500-12 set represents great value. The drills in the set are manufactured from premium High Speed cobalt so are suitable for drilling in many materials, including steels, stainless steel and aluminum and have a long overall length of 12 inches with short flute length to provide stable drilling in hard to reach areas. The drills have a 135 degree split point, designed to self-center, with low thrust for better penetration, and a bronze oxide finish to prevent workpiece material from sticking to the cutting edges of the tool for cleaner, more accurate holes.
ORDER IN MULTIPLES of 6
Features
Back To Top- Low thrust design self centering 135� Split Point for easier penetration
- Low thrust design
- Cobalt base material with Bronze Oxide for wear resistance and lubricity
- For enhanced tool life in ferrous materials
Tech Specs
Back To Top| Point Angle | 135 Deg. |
|---|---|
| Specification Designation | ANSI, NAS |
| Number of Flutes | 2 |
| Shank Type | Straight |
| Type | Aircraft Extension Drill Bit |
| Coating/Finish | Bronze |
| Series | CO500-12 |
| Metric Size | 6.35 mm |
| Cutting Direction | Right |
| Flute Length | 2-3/4" |
| Grade | Heavy Duty |
| Brand | Precision Twist Drill |
| Decimal Equivalent | 0.2500" |
| Material | Cobalt |
| Fractional Size | 1/4" |
| Overall Length | 12" |
| Shank Style | Cylindrical shank |