[10pcs 4.1-5.0mm]
Features:
6. Symmetrical cutting blade, help to high effective cutting, avoiding drilling offset.
Specification:
Material: Tungsten Carbide
Shank Dia: 3.175mm(1/8)
Overall Length: 38mm
Application:Suitable for processingPCB, normal FR-4, CEM-3 boards, environmental protection board, SMT, CNC, molds, plastic,Circuit board, carbon fiber, composite board, and so on.
Package Including:
10pcs PCB Drill Bit Set