2.1 To 3.0 mm Mini Drill Bit Set For PCB Drilling, Ten Pack With 3.175 mm Shank, Durable High Speed Steel, Tight Tolerance, Perfect For DIY Electronics, Pro Projects, And Precise Circuit Board Hole Work

Ten-Pack PCB Drill Bits: 2.1-3.0 mm, 3.175 mm Shank
✔️ 2.1-3.0 mm holes; 3.175 mm shank; HSS; tight tolerance

These mini drill bits are precision cutting tools designed for drilling small holes in printed circuit boards (PCBs). They’re a handy choice for DIY electronics, prototyping, and professional circuit work, compatible with standard micro-drill chucks.

✅ Diameter range: 2.1 mm to 3.0 mm (0.0827 in to 0.1181 in) for precise hole sizing
✅ Shank size: 3.175 mm (0.125 in) fits standard mini drill chucks
✅ Material: high-speed steel (HSS) for durability and clean cuts
✅ Pack size: ten pieces in a single set for handy use
✅ Application: ideal for DIY electronics, prototyping, and pro projects
✅ Burr-free holes and clean finish for FR4 and similar boards

💡 What is a PCB drill bit set used for in electronics projects and why pick HSS bits? This handy kit is designed to create clean, precise holes in circuit boards for component leads and vias. - Handy for hobbyists and pros working on PCBs, prototyping, and repairs - Designed for clean cuts with minimal burrs on FR4 and phenolic boards - High-speed steel construction offers durability and repeatable performance