Feature

●1. Package include 50pcs PCB drill bits, 1/8(3.175mm) shank,this set contains 10 different size drill bits diameter: 0.3mm, 0.4mm, 0.5mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, 1 mm, 1.1mm, 1.2mm, each size have 5 pcs
●2. Precision machining by high accurate equipment;With good milling and cutting performance, ensuring high efficiency.The spiral cutting edge to removing chips, with big space and small resistance; Smooth chip removal, less heating value, to reduce pollution
●3. High hardness, wear resistance, and intensity; anti-bending,no burrs or debris,reat for 3D printer nozzle cleaning, circuit boards, bakelite, CNC engraving, jewelery, stone，metal plastic and other precision drilling
●4. Sharp cutting edge, reduce cutting force, lower breaking rate and improve the quality of hole wall;Symmetrical cutting blade, help to high effective cutting, avoiding drilling offset
●5. Packaged in a plastic case per 10 pieces for easy storage to identify size, easy to carry, and to better protect the tip of the drill bit from damage during transportation.


Description

Specification:
Material: Tungsten Carbide
Shank Dia: 3.175mm(1/8)
Cutting Dia：0.3-1.2mm
Application: Suitable for processing PCB, normal FR-4, CEM-3 boards, environmental protection board, SMT, CNC, molds, plastic,Circuit board, carbon fiber, composite board, and so on.