Product Description Description: Premium Thundermax step drill set designed for fast, burr-free hole cutting in sheet metal and plastics Manufactured from M2 HSS with advanced Thundermax geometry for maximum cutting efficiency Packed in a heavy-duty Tuffbox Pro case with secure latch and reinforced hinges Features: Advanced Thundermax flute design for superior chip evacuation 135° split point reduces wandering and ensures precise starting Multi-step cutting profile delivers clean, accurate holes without pre-drilling Compact Tuffbox Pro case for organised storage and transport Specifications: Brand: Alpha Series: Thundermax Type: Step Drill Set Pieces: 3 Case: Tuffbox Pro Material: M2 HSS Shank Type: Tri-Flat Part Number: SM3SDTP-B Sizes: 4–12 mm (2 mm steps), 4–20 mm (2 mm steps), 6–30 mm (2 mm steps) UPC (EAN): 9313601025251 Enquiry Tell A Friend