| Customized: | Customized |
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| Standard: | SGS |
| Length: | 62mm |
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| Product Name | 4-22mm Spiral Groove Hexagonal Handle Step Drill Bit for Metal Drilling |
| Material | High Speed Steel 4241 |
| Connection | 1/4" Hex Shank |
| Size | 10-step drill bit 4-12mm: 4, 6, 8, 10, 12,14,16,18,20,22mm |
| 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. |
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