China Wholesale Tin Coated HSS Straight Shank Twisted Drill Bits Factories - Alloy Drill – MeiWha

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China Wholesale Tin Coated HSS Straight Shank Twisted Drill Bits Factories - Alloy Drill – MeiWha Detail:

Specially-designed flutes keep these bits centered as they drill, resulting in straighter, rounder holes with tighter tolerances. Made of solid carbide for the highest accuracy and longest tool life, they are harder, stronger, and more wear resistant than high-speed steel, cobalt steel, and carbide-tipped bits. They retain a sharp, hard edge at high temperatures for the best performance on hard and abrasive material. These bits require rigid toolholding to prevent breakage and should not be used in hand-held drilling. All are jobbers’ length so they have the rigidity and length required for most applications. An titanium nitride (TIACN) coating gives them additional wear and temperature resistance.

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Precautions for using cemented carbide tools

1) Cemented carbide is a hard and brittle material, which is brittle and damaged under excessive force or some specific local stress effects, and has sharp cutting edges.

2) Most of the cemented carbides are mainly tungsten and cobalt. The ingredients have a high density, so they should be handled as heavy objects during transportation and storage.

3) Cemented carbide and steel have different thermal expansion coefficients. In order to prevent stress concentration from cracking, attention should be paid to welding at an appropriate temperature.

4) Carbide cutting tools should be stored in a dry, away from corrosive atmosphere.

5) During the cutting process of cemented carbide tools, chips, chips, etc. cannot be prevented. Please prepare necessary labor protection supplies before machining.

6) If cooling fluid or dust collection equipment is used in the cutting process, in consideration of the service life of the machine tool and cutting tools, please use cutting fluid or dust collection equipment correctly.

7) Please stop using the tool with cracks during processing.

8) Carbide cutting tools will become dull and lose strength due to long-term use. Please don’t let non-professionals sharpen them. 9) Please keep the worn out alloy tools and the fragments of alloy tools properly to prevent damage to others.

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China Wholesale Tin Coated HSS Straight Shank Twisted Drill Bits Factories - Alloy Drill – MeiWha detail pictures

China Wholesale Tin Coated HSS Straight Shank Twisted Drill Bits Factories - Alloy Drill – MeiWha detail pictures

China Wholesale Tin Coated HSS Straight Shank Twisted Drill Bits Factories - Alloy Drill – MeiWha detail pictures


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The key to our success is "Good Products Good quality, Reasonable Value and Efficient Service" for China Wholesale Tin Coated HSS Straight Shank Twisted Drill Bits Factories - Alloy Drill – MeiWha , The product will supply to all over the world, such as: Lithuania, Philippines, South Korea, We are seeking the chances to meet all the friends from both at home and abroad for the win-win cooperation. We sincerely hope to have long-term cooperation with all of you on the bases of mutual benefit and common development.
  • Reasonable price, good attitude of consultation, finally we achieve a win-win situation,a happy cooperation!
    5 Stars By Heather from Mauritius - 2018.02.12 14:52
    Managers are visionary, they have the idea of "mutual benefits, continuous improvement and innovation", we have a pleasant conversation and Cooperation.
    5 Stars By Tony from Lithuania - 2017.07.28 15:46
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