Alpha Onsite Plus 3-Piece Step Drill Set – Tuffbox Pro

The Alpha Onsite Plus 3-Piece Step Drill Set delivers trade-tough drilling performance with three premium step-tip bits: 4–12 mm, 4–20 mm, and 6–30 mm.
Each bit features a patented step-tip design, AlTiN coating for durability, and dual cutting edges for clean, burr-free holes.
All supplied in a compact Tuffbox Pro case built to withstand onsite conditions.

Key Features

• Patented step-tip design eliminates pre-drilling and reduces heat build-up.
• AlTiN coating increases wear resistance and tool life.
• Dual cutting edges deliver holes up to 3× faster with clean finishes (up to 3.5 mm depth).
• Sizes included: 4–12 mm, 4–20 mm, 6–30 mm.
• ¼″ quick-change shank—ideal for cordless drills and impact drivers.
• Tuffbox Pro case keeps tools secure, organised, and jobsite ready.

Applications

Perfect for steel, stainless steel, plastics, and wood, making it a versatile choice for trades requiring precision and efficiency onsite.