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Common specifications and models of mining drill pipes
Classification of thread connection drill bits: thread drill bits are composed of hard alloy and brazing body, and are divided into column tooth type drill bits and sheet type drill bits according to the alloy form.
Threaded connection drill bit classification: thread drill bit is composed of hard alloy and brazing body, according to the alloy form is divided into column tooth type drill bit, flake drill bit. According to the form of drill head pants can be divided into ordinary design type, easy to return concave core design type, reaming design type. According to the solid tooth process is divided into hot insert process, cold pressing process, welding process.
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2026-08-31
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