China 3PCS Titanium Cobalt Coated HSS 4241 Step Core Drill Bit Set for Metal Drilling, Find details about China Step Drill Bit, Step Core Drill Bit from 3PCS Titanium Cobalt Coated HSS 4241 Step Core Drill Bit Set for Metal Drilling
Product Name | Titanium Cobalt Coated HSS 4241 Step Core Drill Bit Set for Metal Drilling |
Material | Titanium Coated HSS4241 |
Connection | 1/4 Hex Shank |
Size | 9Steps:4-12mm ; 9Steps:4-20mm; 15Steps:4-32mm |
Slot | Spiral Groove Slot |
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. |