Composite rock drilling tool and rock drilling method and process

The invention relates to the field of percussive rock drilling equipment, in particular to a composite rock drilling tool and a rock drilling method. Background technique: The development of the … Continue Reading →


Internal cooling drill, internal cooling twist drill, non-standard internal cooling drill

Inner cooling drill, inner cooling twist drill, inner cooling drill, inner cooling twist drill:   Integral alloy inner cold drill,From the shank to the cutting edge1A straight hole or two … Continue Reading →


Flat bottom drill, overall alloy flat bottom spiral drill bit

Flat bottom drill, overall alloy flat bottom spiral drill bit   Shuo Shuo’s precision solid alloy flat-bottomed drill is an efficient tool that combines two machining processes into one;   … Continue Reading →


The characteristics of drilling and operation methods and steps, sharing drill bit grinding skills

1. The concept of drilling and the drill bit and drilling characteristics 1.The concept of drilling The inner hole surface is one of the main surfaces on the part. According … Continue Reading →


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