Precision Twist Drill brand logo

1/4x12 HD COBALT AIRCRAFT EXT DRILL BIT

1/4x12 HD COBALT AIRCRAFT EXT DRILL BIT

PTD5995759 5995759
20.41 / EA
http://schema.org/OutOfStock
  • Cutting Depth: 4XD
  • Drill Size Fractional Inch: 1/4
  • Drill Size Metric: 6.35
  • Flute Length Decimal Inch: 2.75
  • Flute Length Fractional Inch: 2-3/4
  • Flute Length Metric: 69.85
  • Flute Type: Spiral
  • Hand Direction: Right Hand
  • Included Angle: 135°
  • Material: HSS-E
  • Number of Flutes: 2
  • Overall Length Decimal Inch: 12
  • Overall Length Fractional Inch: 12
  • Overall Length Metric: 304.8
  • Point Type: Split/Self-Centering
  • Series: CO500-12
  • Shank Size: 1/4in
  • Shank Type: Straight
  • Surface Treatment: Bronze
  • Type: Type J Extra Length Heavy Duty
  • Drill Size Decimal Inch: 0.25
  • Has Attributes: Yes
  • Has Image: Yes
QTY
  • Item Features
  • Standards
  • Cobalt is harder than high speed steel and provides better wear-resistance
  • It is commonly used on high tensile alloys
  • Oxide gold finish provides a polished finish and prevents chip building, galling and welding on a workpiece
  • It is commonly used on low carbon, stainless steel and ferrous metals
  • Low thrust design self-centeringWeb-thinned
  • Parallel web configuration
  • 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