Tungsten Steel Twist Drill Bits 10Pcs | 9mm High Hardness Engraving Milling Cutter for PCB / CNC / Metal | Straight Shank Drill Bit Set with Pointed Tip

Produktbeschreibung

Enhanced Durability Performance - These tungsten steel drill bits offer high hardness and exceptional service life, maintaining cutting performance through extended use. They provide consistent bending strength for accurate drilling on tough materials like PCB and metal without breaking. Accurate Pointed Cutting Tip - Fine pointed tip ensures tidy milling and trimming of orifice edges, leaving surfaces even and smooth. Ideal for detailed work on circuit boards, SMT components, and fiberglass where exactness is critical. Optimized Milling Performance - Engineered for efficient cutting across diverse materials including wood, plastic, and carbon fiber boards. The improved design guarantees high work productivity, reducing project time for DIY enthusiasts and skilled users. High-Temperature Quenching Treatment - Each drill bit undergoes rigorous heat treatment to boost overall hardness and sturdiness. This process ensures stable performance under high-stress conditions, making them suitable for prolonged use. Multi-Material Application - Versatile drill set handles PCB, CNC machining, metalworking, and fiberglass with ease. The straight shank design fits standard chucks securely, offering secure hold for beginners and experts in various projects.