Drill Bit Set DeWalt DT70768-QZ 68 pieces HSS and titanium coated

DeWalt DT70768-QZ 68 pieces HSS and titanium coated drill bit set provides a broad range of sizes for general drilling tasks. The set combines high-speed steel (HSS) construction with a titanium coating to improve wear resistance and extend cutting life. Designed for use in metal, wood and selected plastics, the set supports both professional and DIY workflows by offering commonly used diameters in a single organized kit.

Advantages

The combination of HSS core material and a titanium coating yields consistent drilling performance and increased surface hardness compared with plain HSS bits. The set's variety of sizes reduces the need to switch tools mid-task and helps maintain proper hole tolerances. Bits in the kit are suitable for standard drilling speeds and provide reliable chip removal characteristics for typical workshop and on-site applications.

Suitable for

• Drilling holes in mild and stainless steels (when using appropriate speeds and lubrication)
• Woodworking and carpentry tasks
• Drilling in plastics and composite materials
• General maintenance, repair and hobby projects

Key specifications

• Set composition: 68 drill bits in multiple diameters
• Material: High-speed steel (HSS) core
• Surface treatment: Titanium coating for improved wear resistance
• Intended materials: Metal, wood, plastics
• Typical use: Handheld drills and drill presses at conventional speeds
• Storage: Organized case for bit selection and transport

How to use

Select the appropriate diameter for the required hole, mount the bit securely in the drill chuck, and set the drill to a speed suitable for the work material. For metals, use lower speeds and apply cutting fluid or lubricant as needed to reduce heat and prolong bit life. For wood and plastics, higher speeds are acceptable but maintain steady feed to avoid melting or splintering. Periodically inspect bits for wear and replace if the cutting edge becomes dull or damaged.

Usage recommendations

Use the titanium-coated HSS bits at recommended speeds for each material, apply cutting fluid when drilling metals, and store the bits in their case to protect cutting edges and maintain organization.