Description:

Made of tungsten carbide (tungsten steel) ,the micro drill bits have characteristics of high hardness and high toughness.

The sharper cutting edge can reduce the cutting force and improve the quality of the perforation.

Various sizes included in a set to meet different needs.

Small resistance to chip removal, smooth to eliminate chips and drilling holes.

Suitable for: print circuit board PCB SMT CNC board etc; engrave metal,plastic,etc.

Specification:

Material: Tungsten Carbide

Shank diameter: Approx 3.175mm / 0.125inch

Length: Approx. 37.5mm / 1.48 inch

Cutting edge diameter: 0.25, 0.3, 0.35, 0.4, 0.45mm

Color: Random Color

Package Includes:

50 Pieces Micro Drill Bits(10 pieces of each size)

Note:

1.Please allow a slight difference between the size from the above and the actual item due to manual measurement.

2.Due to the difference between different monitors,there could be a little color difference acceptable, please kindly note.

3.The protective cover will be sent in random color.