1pcs Deep Hole Drill Machining Precision Vertical Deep Hole Drilling Alloy Head
D eep hole gun drilling
Gun drilling represents a advanced and high effective hole drilling technology. Not only used for drilling deep hole(length and diameter ratio >10), but also for drilling precise shallow hole. Gun drill is main tool for gun drilling. It is welded drill shank, drill stem and drill tip together, with a through-hole by which the cutting liquid enters cutting area.
D eep hole gun drilling
Gun drilling represents a advanced and high effective hole drilling technology. Not only used for drilling deep hole(length and diameter ratio >10), but also for drilling precise shallow hole. Gun drill is main tool for gun drilling. It is welded drill shank, drill stem and drill tip together, with a through-hole by which the cutting liquid enters cutting area.
