Alpha Cobalt 29-Piece Imperial Drill Set – Tuffbox Pro

The Alpha Cobalt 29-Piece Imperial Drill Set houses premium fully-ground HSS cobalt bits (1/16″–1/2″ in 1/64″ increments)
designed for demanding materials like stainless steel, high tensile steel, and cast iron. All enclosed in the industry-ready Tuffbox Pro case.

Key Features

• Fully ground HSS cobalt for enhanced durability and drill life.
• 135° split point reduces bit “wandering” and speeds up drilling.
• Wide imperial range from 1/16″ to 1/2″ in 1/64″ steps for precision sizing.
• Tuffbox Pro case with sturdy latch, strong hinge, and bold colour for jobsite resilience.
• Ideal for handheld power drills, pedestal drills, and CNC machining centres.

Included Drill Sizes

1/16″, 5/64″, 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, 11/64″, 3/16″, 13/64″, 7/32″, 15/64″, 1/4″, 17/64″, 9/32″, 19/64″, 5/16″, 21/64″, 11/32″, 23/64″, 3/8″, 25/64″, 13/32″, 27/64″, 7/16″, 29/64″, 15/32″, 31/64″, 1/2″

Tuffbox Pro Case Features

• Secure latch and upright bit holders keep tools organized and safe.
• Compact and stackable case design—easy to transport and store.
• Colour-coded latches and bold housing for quick identification on-site.
• Eco-conscious packaging, built for rugged jobsite performance.