Century Drill & Tool 24212 — 3/16" x 3-1/2" black oxide high-speed steel jobber length drill bit:

Key Features

1. High-Speed Steel (HSS) Construction

   • Provides excellent durability and heat resistance
   • Ideal for repeated use in metal, wood, and plastic

2. Black Oxide Finish

   • Enhances wear resistance
   • Helps retain lubricants for smoother drilling
   • Reduces friction and heat buildup

3. 135° Quick-Cut Point

   • Self-centering tip for faster starts
   • Reduces walking on curved or hard surfaces
   • Requires less pressure to penetrate materials

4. Jobber Length Design

   • Standard length for general-purpose drilling
   • Compatible with handheld drills and drill presses

5. Versatile Application Range

   • Suitable for mild steel, wood, PVC, and other plastics
   • Great for DIY, construction, automotive, and maintenance tasks

6. Precision Ground Flutes

   • Efficient chip removal
   • Smooth drilling performance

7. Made to NAS 907-B Standards

   • Ensures aerospace-grade quality and consistency

Specifications

• Size: 3/16 inch (Decimal Equivalent: 0.1875 inch)
• Overall Length: 3-1/2 inches (88.9 mm)
• Material: Industrial-grade high-speed steel
• Finish: Black oxide
• Point Angle: 135° Quick-Cut Point
• Shank Type: Straight
• Standard: Aerospace NAS 907-B

Applications

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

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

It’s ideal for:

• DIY projects
• Construction
• Automotive repairs
• Fabrication and maintenance tasks

The Quick-Cut Point is self-centering, penetrates faster with less pressure, and prevents walking or wandering on the surface.