Irwin 5/16″ x 4-1/2″ Black & Gold Drill Bit w/ Split Point (3019020B)

Description

The Irwin 5/16″ x 4-1/2″ Black & Gold Drill Bit w/ Split Point (3019020B) is a high-performance tool engineered for precision and longevity. Made from premium high-speed steel, this bit is designed to handle a variety of drilling tasks in materials like mild steel, high alloy steel, wood, and plastic. The distinctive black and gold oxide coating not only gives it a professional look but also provides excellent resistance to corrosion, extending the life of the bit. Its 135° split-point tip is a key feature, allowing for immediate, accurate starts without the bit “walking” or wandering across the material surface. For enhanced stability and control, the bit includes a 3-flatted shank that prevents slippage in the drill chuck. This combination of features makes it a reliable and efficient choice for both professional tradespeople and DIY enthusiasts. Whether you’re working on a construction project or a home repair, this Irwin drill bit delivers consistent, clean results.

KEY FEATURES AND BENEFITS:

• Self-Centering Tip: The 135° split-point tip allows the bit to start drilling instantly on contact, preventing “walking” and eliminating the need for a center punch, saving time and effort.
• Corrosion-Resistant Coating: The black and gold oxide finish protects against rust and wear, ensuring durability through repeated use in demanding environments.
• Enhanced Chuck Grip: The 3-flatted shank design provides superior grip in the drill chuck, preventing slipping under heavy torque and improving control and safety.
• Versatile Material Application: Engineered from high-speed steel, this bit is suitable for drilling a variety of materials including metals, woods, and plastics.

SPECIFICATIONS:

• Cutting Diameter: 5/16″ (0.3125″)
• Overall Length: 4-1/2″
• Flute Length: 3-3/16″
• Material: High-Speed Steel
• Finish: Black and Gold Oxide
• Shank Type: 3-Flatted Straight Shank
• Point Angle: 135 degrees
• Point Type: Split Point

HOW TO USE:

• Safety First: Always wear safety glasses before operating any power tools.
• Secure the Bit: Loosen the drill chuck and insert the 3-flatted shank of the drill bit. Align the flats with the chuck jaws for maximum grip. Tighten firmly to prevent slipping.
• Prepare the Material: Place the material on a stable surface. Apply cutting lubricant if drilling metal to extend bit life and improve hole quality.
• Begin Drilling: Position the tip where you want the hole. Apply steady, firm pressure and drill at moderate speed. The split-point tip starts the hole automatically without wandering.
• Maintain Pressure: Continue applying consistent pressure. Avoid excessive force to prevent overheating or breaking the bit.
• Withdraw the Bit: Once complete, slowly remove the bit from the hole while the drill is running to clear debris.

BENEFITS OF USING IRWIN 5/16″ X 4-1/2″ BLACK & GOLD DRILL BIT W/ SPLIT POINT (3019020B):

• Faster, more accurate drilling thanks to the split-point tip eliminating manual centering.
• Increased longevity from high-speed steel and corrosion-resistant coating.
• Reduced slippage due to the 3-flatted shank providing a secure drill chuck fit.
• Improved efficiency by reducing drilling force for easier and quicker work.

FEATURES:

• High-speed steel construction for durability and extended tool life.
• Laser-etched markings for quick size identification.
• Jobber length offers a balance of reach and stability.
• Black and gold oxide finish reduces friction and aids heat dissipation.
• Designed for drilling mild steel, high alloy steel, plastic, and more.