Concrete core drill bits are different from stone diamond core drill bits. Many manufacturers can make good stone core drill bits, but they not necessarily so good at concrete core drill bit, the reasons below,


1. Concrete around the world usually different in hardness, a good conrete core drill bit maybe not working well in another region.

2. Different component and percentage inside concrete affects the drilling effect, for example, steel iron bars and pebble stone requires different kinds of concrete core drill bits.

3. Some regions demand fast concrete diamond core bits while some demand long life one, for example, European, Australia and American market demands sharp and fast ones.


A very important element to make good quality concrete core drill bit is that we should collect quality feedback from a large number of users and adjust the diamond core bit segment/tips formula/bond according to the test result. As a professional concrete diamond core drill bit manufacturer, ChinShine has been studying the feedback of thousands tests by incipient customers, and has developed two kinds of formula for different customer demand. One is extremely sharp core bit segment, it is rapid and smooth cutting segments for universal use and suitable for drilling superhard concrete which has high percentage of steel bars, this kind is popular in Europe and America; another kind is long life one which has extremely high durability, it is popular in developing countries.


The drilling length of steel core barrel is 300mm, 350 or 450mm, custom sized diamond core bit  segments and core drill barrels are also available. We support sample test, customers buy  concrete core drill bit will get discount for the trial order. Welcome your inquiry, you can expect our reply within 24 hours.

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