• Naoki Shibata

Securing Sufficient Pilot Hole Length for Threading

Updated: Jun 1

When there are Lathe parts such as Rollers, Pistons or Valves that require Threading inside Boring hole, Special cutting tools are necessary for drilling to prevent from broken cutting tools if Pilot hole length is not long enough than thread length(Y)as the upper picture, which increases lathing costs.


Short Pilot Hole Length
Short Pilot Hole Length


If Pilot hole length is long enough as the bottom picture, then ordinal cutting tools can be used that leads cost reduction.


Long Pilot Hole Length
Long Pilot Hole Length


We, E&H Precision, Asia's Largest CNC Machining Lathe Turned Parts Manufacturer has more than 700 CAM / CNC automatic lathe turning machines and Internal Cutting Tool Development Team in Japan, Thailand & India.


Please feel free to Contact Us for free quotes, or take a look at Our Factory Virtually , or Subscribe Monthly Newsletter which includes the Industry Reports and Technical Trends.


11 views

Recent Posts

See All