With the develpment of construction works, diamond core drill bit are wide used in wall drilling in construction, housing renovation and pipeline laying and municipal construction,demolition, etc.
The main material of diamond drill bit are artificial diamond and metal powder, It has the advantages of simple construction technology, high processing precision and high processing efficiency.In general,high quality diamond segment take up much cost of the drill bit.And metal steel blank and different kinds of diamond drill bit segment consist of the whole drill bit，skilled workers combine it through high frequency welding machine or laser welding machine.After that, quality control is necessary, checking the hardness and welding strengths to make best products.24/7 via fax, email or phone.
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