How to select suitable diamond core drill bit?
Please see the following advice:
1.according to the hardness of drilling material.
2.according to the abrasive.
3.pay attention to the diameter and working length of the core drill bit.
4.ask the supplier the details and select suitable formula.
Or contact us:WWW.SANGTOOLS.COM
info@sangtools.com
24/7 via fax, email or phone.
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