Complaint
| Product Name | High Speed Steel Titanium Coated Hole Cutter Step Drill Bit with Automatic Center Punch |
| Material | High Speed Steel 4241 |
| Connection | 1/4" Hex Shank |
| Size | 5-step drill bit 4-12mm: 4, 6, 8, 10, 12mm |
| 9-step drill bit 4-20mm: 4, 6, 8, 10, 12, 14, 16, 18, 20mm | |
| 10-step drill bit 3-12mm: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12mm | |
| Automatic Center Punch | |
| Features | 1. Strong Durability: coated by titanium, the bits have strong durability. This step drill set performs well in heat, corrosion and rust resistance. 2. Premium HSS Material: High-speed steel construction for longer cutting edge life even at extreme temperatures. 3. Automatic Center Punch: Delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force 4. Wide Usages: Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal. |
