In actual production, it often encounters drilling (?) 0.5 ~ (?) 4mm small holes, because the drill bit diameter is thin, the strength is low, often due to excessive or uneven force during the feeding, the workpiece material organization is uneven The vibration of the drill spindle and the poor chip evacuation caused the bit torque to increase, which caused the drill bit to break, and the removal of the drill bit was more troublesome. For this reason, we designed a safe drilling small hole chuck.
Safety drill chuck