![Precision Twist Drill brand logo](https://dy8j5n5de0wyg.cloudfront.net/userfiles/brand%20logos%20300x300/small%20brand%20logos%20(150x150)/ptd%20color%20logo_150x150.jpg)
1/4x6 HD COBALT AIRCRAFT EXT DRILL BIT
PTD5995813
MFG #: 5995813
$7.78
/ EA
- Applicable Materials: Free Machining Stainless Steel, Austenitic, Ferritic + Austenitic, Martensitic, Precipitation Hardened Steel, Lamellar Graphite, Nodular Graphite/Malleable Cast Iron, Nickel, Alloyed, Alloy Steel/Hardened Steel and Tempered Steel
- Country of Origin: BR
- Cutting Depth: 4XD
- Drill Size - Decimal Inch: 0.25in
- Drill Size - Fraction: 1/4in
- Flute Length: 2-3-4 in
- Flute Type: Spiral
- Manufacturer Name: Dormer Pramet
- Number of Flutes: 2
- Point Type: Split/Self-Centering
- Shank Size: 1/4in
- Shank Type: Straight
- Type: Type J Extra Length Heavy Duty
- Series: CO500-6
- Overall Length: 6in
- Material: HSS-E
- Surface Treatment: Bronze
- Hand Direction: Right Hand
- Included Angle: 135°
- Item Features
- Standards
- Low thrust design self-centering 135 deg split point for easier penetration
- Cobalt base material with bronze oxide for wear resistance and lubricity
- Cobalt is harder than high speed steel and provides better wear-resistance
- Oxide gold finish provides a polished finish and prevents chip building, galling and welding on a work piece
- No coolant channel
ANSI Specified|NAS 907|PROP65: This product contains chemicals known to the State of California to cause cancer. For more information: www.P65Warnings.ca.gov|CSA Approved