The Alpha SI21PB TUFFBOX Gold Series Drill Bit Set includes 21 high-quality drill bits ranging from 1/16" to 3/8" in 1/64" increments, engineered for durability and precision. This set is housed in a robust plastic case with rugged rubber grips and is built to withstand the demands of any job site. The secure locking catch ensures the bits remain in place, while the internal feeds and speeds chart helps you optimize performance for each task.

Each drill bit features a 135° split point, reducing wandering and allowing for faster, more accurate cutting. The titanium nitride coating enhances performance by reducing heat and increasing lubricity, significantly extending the life of the drill bits. Perfect for drilling into steel, stainless steel, wood, and plastic, the Alpha TUFFBOX set is an essential tool for any tradesperson.

• Tough Plastic Case: Protects drill bits with rugged rubber grips for enhanced durability.
• 135° Split Point: Enables faster cutting and minimizes wandering during drilling.
• Titanium Nitride Coating: Reduces heat, increases lubricity, and extends bit life.
• Strong Locking Catch: Keeps the drill bits securely stored in the case.

Q: What sizes are included in the drill bit set?
A: The set includes 21 drill bits ranging from 1/16" to 3/8" in 1/64" increments.

Q: What materials can these drill bits be used on?
A: These drill bits are suitable for use on steel, stainless steel, wood, and plastic.

Q: Does the set come with a case?
A: Yes, the set comes in a tough plastic case with rugged rubber grips and a strong locking catch for secure storage.