Century Drill & Tool 24209 Black Oxide Drill Bit, sized 9/64 inch diameter and 2-7/8 inch overall length, made from industrial-grade high-speed steel (HSS) and designed for jobber-length drilling:

Key Features

• Industrial High-Speed Steel: Ensures durability and long-lasting sharpness.
• Black Oxide Surface Treatment:
  • Enhances heat resistance and wear protection.
  • Offers up to 6 times the life compared to standard 118° point bits.
• 135° Quick-Cut Point:
  • Self-centering tip eliminates the need for a center punch.
  • Penetrates faster with less pressure.
  • Prevents walking or wandering at the start of drilling.
• Precision Ground: Manufactured to Aerospace NAS 907-B specifications for accuracy and reliability.
• Made in the USA: High-quality domestic manufacturing.
• Pack Size: Typically sold individually or in 2-packs depending on retailer.

Specifications

• Part Number: 24209
• Diameter: 9/64 inch (≈ 3.57 mm)
• Overall Length: 2-7/8 inches (≈ 73 mm)
• Point Angle: 135 degrees
• Material: Industrial High-Speed Steel
• Finish: Black Oxide
• Shank Type: Straight
• Flute Type: Straight
• Decimal Equivalent: 0.1406 inch
• Warranty: 1-Year Limited Warranty

Applications

This drill bit is ideal for general-purpose drilling in:

• Steel: Flat bar, angle iron, tubing.
• Wood: Suitable for softwoods and hardwoods.
• Plastic & PVC: Compatible with most plastic types.
• DIY & Professional Use:
  • Great for home repairs, hobby work, and light fabrication.
  • Trusted by contractors and technicians for precision and reliability.

Tip for Metal Drilling: Use cutting oil to reduce heat and friction, which helps extend the life of the bit and improves drilling efficiency