Alpha Cobalt 25-Piece Metric Drill Set – Tuffbox Pro (SM25COTP)

The Alpha Cobalt 25-Piece Metric Drill Set includes premium fully-ground HSS cobalt bits (1.0 mm–13.0 mm) tailored for demanding materials like stainless steel, high-tensile steel, and cast iron. These durable bits come organized in the rugged Tuffbox Pro case designed for job-site resilience.

Key Features

• High-quality fully-ground HSS cobalt bits enhance longevity.
• 135° split point reduces bit wandering and enables precise starts.
• Comprehensive metric range: 1.0 mm through 13.0 mm in 0.5 mm increments.
• Robust Tuffbox Pro case with reliable latch, strong hinges, and color-coded design.
• Engineered for both handheld power drills and pedestal drilling applications.

Included Sizes (mm)

1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0, 9.5, 10.0, 10.5, 11.0, 11.5, 12.0, 12.5, 13.0 mm

Jobsite Case Features

• Strong hinges keep bits upright and organized.
• Tough latch ensures contents remain secure under heavy use.
• Color-coded system for quick identification and easy storage stacking.
• Compact and durable—perfect for mobile tradesmen.