10pcs/pack Mini 1.2mm-1.85mm Drill Bit PCB Jewelry Set Work Rotary

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Description:

Quality of Alloy Tungsten Steel, high hardness, high strength, durable.

Positioning ring design, reduce machine debugging time, improve work efficiency.

The aseismic design of the edge can restrain the flutter of the machining process and improve the quality of the machining surface.

Sharp edge and large spiral Angle design.

Usage: stainless steel, copper, amber , plastic, sculpture, mold etc. processing

Specification:

Shank 3.175mm / 1/8"; Total Length: ±38mm/1.5"

Color of the positioning ring is .

Package Includes:

10 x PCB Drill Bits

PCB Drill Bits;PCB Rotary Tool Drill Bits;End Mill 1/8

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