Bosch BL9IM 9 Piece Black Oxide Impact Tough Metal Drill Bit Set with 1/4 Inch Hex Shank for Steel Wood Plastic and Masonry Applications

Precision Performance Meets Extreme Durability: The Bosch Impact Tough Black Oxide Drill Bit Set

The Bosch BL9IM 9-Piece Impact Tough Black Oxide Drill Bit Set is engineered for the modern professional who demands speed and reliability from their high-torque impact drivers. These bits feature a specialized black oxide coating that acts as a cooling shield, drastically reducing friction and heat buildup during intensive drilling tasks. This innovative design ensures a longer service life compared to standard bits, making them an essential investment for general contractors and installers who work with a variety of materials. Whether you are drilling through light-gauge metal, copper, aluminum, or hardwoods like oak and pine, these bits deliver clean, effortless holes every time.

Accuracy is at the forefront of the Bosch BL9IM design. Each bit is equipped with a "no-skate" tip that eliminates bit walking and the need for a center punch, providing perfectly centered starts on slick surfaces like PVC or steel. The impact-rated 1/4-inch hex shanks are specifically built to withstand the rigorous demands of higher torque drills, ensuring they won't slip or shear under pressure. With long, spiral flutes optimized for rapid material removal, you can work faster without compromising on precision. From heavy-duty construction applications to fine furniture assembly with MDF, this versatile set provides the toughness and accuracy required to get the job done right.

Key Features

• Advanced No-Skate Tip: Reduces bit walking and eliminates the need for a center punch for accurate, clean starts.
• Impact-Rated Shank: Engineered specifically for high-torque impact drivers and 1/4-inch hex drills in tough construction settings.
• Black Oxide Cooling Shield: Provides superior heat resistance and less friction to significantly extend the life of the bit set.
• High-Speed Material Removal: Designed with long spiral flutes for increased drilling speed and effective debris clearance.
• Laser-Etched Visibility: Features highly visible diameter markings on each bit for quick and easy size identification.
• Universal Versatility: Optimized for use in steel, aluminum, brass, PVC, hardwoods, and composite materials.

What's Included

• (1) 1/16" Black Oxide Impact Tough Drill Bit
• (1) 3/32" Black Oxide Impact Tough Drill Bit
• (1) 1/8" Black Oxide Impact Tough Drill Bit
• (1) 5/32" Black Oxide Impact Tough Drill Bit
• (1) 3/16" Black Oxide Impact Tough Drill Bit
• (1) 7/32" Black Oxide Impact Tough Drill Bit
• (1) 1/4" Black Oxide Impact Tough Drill Bit
• (1) 5/16" Black Oxide Impact Tough Drill Bit
• (1) 3/8" Black Oxide Impact Tough Drill Bit

Specifications

Pro-Tip: To maximize the lifespan of your black oxide bits when drilling through thicker metal, apply a small amount of cutting fluid and use a "pecking" motion—drilling in short bursts and pulling back slightly to clear chips. This allows the black oxide coating to dissipate heat more effectively and prevents the high-speed steel from dulling prematurely.