•.•Manufactured to NAS 907J specifications.• Manufactured from M42 high speed steel containing 8% cobalt which increases high hot hardness.• Cobalt drills require rigidly held positive feed drilling equipment.
• 135° split point for accurate centering and fast penetration• Precision ground point, flutes, body, clearance and drill diameter for ultimate accuracy and performance•Special Hi-Molybdebum tool steel•NAS 907C Screw Machine Length.
.•Gold Oxide - low temperature stress relief that enhances lubricity, reduces friction and increases tap toughness.Size 5-40A Type 24-UB Straight Flute Plug Magnum Tap, PK3 Use for through hole or blind hole tapping.