Precision Bore Repair. At Port. On Board.
Stern tube worn? Rudder pintle bore damaged? BOS portable line boring machines deliver workshop-grade precision directly on board or at the shipyard — minimising dry dock time and vessel downtime.
$10,000–$50,000/day
Vessel off-hire cost while out of service
2–8 Weeks
Typical wait for a dry dock slot
No dry dock required for many repairs
Available across India, the Middle East, and Southeast Asia
On-board boring and welding of worn stern tube bores without pulling the shaft.
Precision bore restoration for rudder hinge points at port or on the slipway.
Bore repair for hawse pipes worn by chain wear and corrosion.
Bearing housing bore repair to restore correct shaft alignment and clearance.
On-site bore repair for port crane pedestals and slew bearing housings.
Hinge bore repair for loading ramps on Roll-on/Roll-off vessels.
Compact machine footprint suited to tight engine room access for on-board repair.
65–600mm bore range covers most marine applications
Sector welding for asymmetric wear patterns
Operates on ship's power supply (220V/380V)
Portable enough for engine room access
Talk to our team about deploying BOS-DS60 for your vessel or shipyard's bore repair needs.