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50pcs 0.25mm Tungsten Carbide Micro Drill Bits Set Engraving Tools for PCB Circuit Board

50pcs 0.25mm Tungsten Carbide Micro Drill Bits Set Engraving Tools for PCB Circuit Board

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This micro drills set with high hardness and high wear resistance is a good choice for you. It can be applied to PCB, SMT, mould, hardware processing, electronic industry, etc.

Features:
50pcs micro engraving drill in a set.
Made from tungsten carbide(tungsten steel) with high hardness, high wear resistance, not easy to bend and break.
Small chip removal resistance, smooth to remove chips and drill holes.
Sharper cutting edge can reduce cutting force and improve drilling quality.
Strictly symmetrical cutting edge can ensure high efficient working and avoid the deviation in drilling.
Can be applied to PCB, SMT, mould, hardware processing, electronic industry, etc.

Note:
The protecting case will be sent in random color, please in kind prevail!


Specifications:
Material: Tungsten Steel + HSS
Item Type: 0.25mm / 0.3mm / 0.4mm / 0.452mm(optional)
Handle Diameter: 3.175mm
Quantity: 50pcs
Package Size: 10 * 7.5 * 5cm / 3.94 * 2.95 * 1.97in
Package Weight: 164g / 5.78oz

Package List:
50 * Micro Drill Bits

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Customer Reviews

Average Rating:

4.7

based on 3 Customer Reviews

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  • By S***n

    July 14, 2017

    Order received, quality as expected.

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  • By i***o

    April 17, 2017

    good stuff, would buy from again

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  • By v***7

    April 10, 2017

    Just what I needed, thank you. fast shipper, well packed.

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