Century Drill & Tool 24218 — 9/32-inch x 4-1/4-inch black oxide drill bit, made from high-speed steel and designed for jobber length applications:

Key Features

• High-Speed Steel (HSS):
  • Durable and heat-resistant
  • Suitable for repeated use
• Black Oxide Finish:
  • Enhances wear resistance
  • Retains lubricants for smoother drilling
  • Offers up to 6–8x longer life than standard 118° bits
• 135° Quick-Cut Point:
  • Self-centering for precise starts
  • Reduces pressure needed to drill
• Jobber Length:
  • Standard length for handheld drills and drill presses

Specifications

• Size: 9/32 inch (Decimal Equivalent: 0.281 inch)
• Overall Length: 4-1/4 inches (108 mm)
• Material: Industrial-grade high-speed steel (HSS)
• Finish: Black oxide
• Point Angle: 135° Quick-Cut Point
• Shank Type: Straight
• Standard: Aerospace NAS 907-B

Applications

Designed for general-purpose drilling in:

• Metals:
  • Mild steel
  • Flat bar
  • Angle iron
  • Tubing
• Wood:
  • Softwood and hardwood
• Plastics:
  • PVC
  • Acrylic
  • Polycarbonate

No center punch needed — the Quick-Cut Point is self-centering and penetrates faster with less pressure, preventing walking or wandering on the surface.