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500-12 aircraft extension drill bits, manufactured to NAS907 type B standard have a 135 degree split point which reduces the push force needed and is an aid to self-centering. The tools have a long overall length with short flute, recommended for stable drilling in areas which are hard to reach, and come with a steam oxide finish to ensure a clean and accurate result by preventing workpiece material from sticking to the cutting surfaces of the tool. 500-12 aircraft extension drill bits are available in many fractional sizes from 3/64" to 1/2" and are manufactured from premium High Speed steel so can be used for drilling a wide range of materials including aluminum, stainless steel and steels.
Product Specifications
| EDP Number | 59016 |
| Material Code | HSS |
| Basic Standard Group | NAS907 |
| Usable Length | 4 |
| Point Angle | 135 |
| Cutting Diameter (mm) | 6.35 mm |
| Cutting Diameter (Inch) | 0.25" |
| Cutting Diameter (Fractional Inch) | 1/4" |
| Overall Length (mm) | 304.8 mm |
| Overall Length (Inch) | 12 |
| Overall Length (Fractional Inch) | 12" |
| Length Chip Flute (Fractional Inch) | 2.3/4" |
| Hand Direction | Right |
| Drill Length | Aircraft Extension |
| Coating | Steam Tempered |
| Surface Color | Black |
| Surface Treatment | Steam Tempered |
| Cutting Diameter (Wire Gauge Size) |
Warning:
This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov
Ships:
From Partner Facility
Brand:
Precision Twist Drill
Drill Bit Size (Inch):
1/4"
Drill Bit Size (Decimal Inch):
0.2500"
Drill Bit Size (mm):
6.35mm
Drill Point Angle:
135°
Overall Length (Inch):
12"
Overall Length (Decimal Inch):
12.0000"
Overall Length (mm):
304.8mm
Material:
HSS
Finish/Coating:
Steam Tempered
