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What exactly are the common openers on the market? What's the use?

Views: 321     Author: Site Editor     Publish Time: 2021-10-21      Origin: Site


There are many kinds of hole openers on the market, the material is also different, generally in the electric brick can be installed on the opener, so that not only more convenient to use, for copper and iron and stainless steel and other kinds of plate opening is also very convenient, we are most commonly used in the market is the metal hole opener, the applicable opening material is also different.


Here is the content list:

  • What are the parts of the hole opener?

  • The shape and basic composition of the hole opener bit

  • Useful functions of hole opener bits


What are the parts of the hole opener?

The accessories of the hole opener mainly include a support shank, spring, hole opener bit, etc. The support shank is a common part, different hole diameter hole opener is equipped with ⒉ kinds of specifications of support shank. Fixed diameter hole opener, there are ordinary type, impact type, water-cooled type, where the water-cooled type is commonly used in the wall opening, high work efficiency, open the hole is more beautiful. Second hole opener bits are also divided into many types, in response to the different needs of the use of different hole opener bits that need to be replaced.


The shape and basic composition of the hole opener bit

A hole opener bit having a plurality of cutting edges configured at the front end of the hole opener bit, and a shaft-shaped bit body with a shank formed on the base end side of the cutting edges; the cutting edges of the bit in a substantially radial configuration having at least two main cutting edges, and at least two secondary cutting edges disposed in a circumferential direction between said main cutting edges and the main cutting edges, said main cutting edges having a main cutting edge as their cutting edge, the inner end of the main cutting edge being located at the center of rotation and the outer end at the outer edge of the rotational path of the cutting edges The main cutting edge has a main cutting edge, the inner end of which is located at the center of rotation and the outer end of which is located at the outer edge of the rotational path of the cutting edge, and the secondary cutting edge has a secondary cutting edge, the inner end of which is located away from the center of rotation at the outer diameter.


Useful functions of hole opener bits

Although different sizes of hole opener bits can bring different effects in practice, in general, they have very different effects. A hole opener bit is a type of bit that can mitigate sudden changes in drilling conditions during the drilling of concrete, etc. so that the drilling process is stable and the drilling efficiency is not reduced even when large chips are produced. When drilling concrete, etc., the hole opener bit can mitigate sudden changes in drilling conditions, stabilize drilling operations, and not reduce drilling efficiency even when large chips are generated.


With the development of social productivity, society’s demand for hole openers is increasing. As a company specializing in the manufacture of hole openers, Hejian Hejian Hengji Bit Manufacture Co., LTD has been engaged in the research of rock drill bits since 2012. And production, as a professional drill manufacturer, has obtained several certifications including SGS certification. We have a professional technical and marketing team, exporting to more than 40 countries and regions. Our experienced staff is always here to help you, from choosing the right drill bit to global shipping.



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Hejian Hengji Bit Manufacture Co.,LTD  is specialized in researching and production of rock drilling bits since 2012, mainly includes tricone bits, PDC bits, HDD hole opener, foundation single roller cutters, drag bits and related tools with advanced CNC machines and R&D team.

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