Diablo DHS4BITCT 4 Inch Carbide Tipped Pilot Drill Bit for Snap-Lock Plus Mandrels and Deep Cut Hole Saws Fiber Cement Ceramic 1/4 Inch Hex Shank

Industrial Strength Precision: Diablo 4" Carbide Tipped Pilot Bit for Abrasive Materials

The Diablo DHS4BITCT 4-Inch Carbide Tipped Pilot Drill Bit is engineered for professionals who need to maintain peak performance when drilling through highly abrasive materials. Featuring high-performance carbide tips, this bit is specifically designed to survive the intense wear of fiber cement and ceramic materials that quickly dull standard steel pilot bits. Its 4-inch length makes it the perfect companion for Diablo's deep-cut hole saws, providing the necessary reach and stability to ensure accurate tracking and clean starts every time you pull the trigger.

Seamlessly integrating into your workflow, this pilot bit is fully compatible with the Diablo Snap-Lock Plus™ Mandrel system. This universal connectivity allows for rapid, tool-free bit changes, effectively eliminating jobsite downtime. Built with a 1/4-inch hex shank, the DHS4BITCT provides a secure, non-slip fit in both impact drivers and standard drill chucks, making it an essential upgrade for electricians, plumbers, and siding contractors working with modern, high-density construction materials.

Key Features

• Carbide Tipped Durability: Provides significantly longer life in abrasive materials like fiber cement and ceramic tiles compared to bi-metal bits.
• Snap-Lock Plus™ Compatible: Designed for fast and efficient changes when paired with the Snap-Lock Plus™ mandrel system.
• Deep Cut Reach: The 4-inch (101.6mm) length is optimized for use with deep-cut hole saws to ensure proper pilot hole tracking.
• 9/32" Precision: Perfectly sized to stabilize hole saw cups and provide a clear path for large-diameter cutting.
• High-Speed Efficiency: Advanced tip geometry delivers faster cutting performance with less heat buildup.
• Hex Shank Stability: 1/4-inch hex shank prevents bit slippage and fits a wide variety of drill and impact drivers.

What's Included

• (1) Diablo 4" Carbide Tipped Pilot Drill Bit (DHS4BITCT)

Specifications

Pro-Tip: When using this carbide bit in highly abrasive materials, avoid using the impact function of your driver if possible. Steady, consistent pressure at a moderate RPM will allow the carbide tips to grind through the material effectively without the risk of micro-fracturing the tips, ensuring the longest possible tool life.