Technical overview
A damaged thread or seized fastener doesn’t have to mean costly component replacement. Grunwalds delivers mobile extraction and precision thread repair directly to your workshop or site—restoring vehicles and machinery with less dismantling, reduced downtime, and maximum efficiency.
Core work
Extraction of snapped bolts, studs and seized wheel fasteners
Removal of damaged spark plugs, glow plugs and stuck injectors
Recovery of broken taps, drill bits and extractors
Helicoil, solid and custom thread insert installation
Sump, differential and gearbox plug thread repairs
Drilling, tapping, die cutting and RivNut fitting
Pilot bearing casing removal and shaft thread refurbishment
Capability
Mobile support at your workshop or site
Repairs in steel, aluminium, cast iron and suitable plastics
Repair approach assessed for the component and access available
Support for passenger vehicles, fleets and heavy equipment