See Screw's detailed category ranking
Non-welding metal crack repair. Repairs are made without applying heat, so there is no thermal distortion at all. It is possible to repair without damaging the base material due to heat.
This is a high-strength one-sided bolt that leads to shortened construction periods and reduced costs through one-sided installation.
We will restore the crushed screw using oversized processing. We will respond with on-site work.
Washer for completely preventing the simultaneous rotation of bolts, suitable for M12 to M72.
We will restore aluminum, cast iron, and cast steel damaged female threads, bolt holes, and broken female threads to their original size.
We will restore aluminum, cast iron, and cast steel damaged female threads, bolt holes, and broken female threads to their original size.
This is a high-strength one-sided bolt that can be fastened on one side in areas where standard high-strength bolts cannot be installed. It is certified by the Minister of Land, Infrastructure, Transport and Tourism and has over 20 years of sales experience.
[Latest Edition - 150 Pages] Including trapezoidal screws, sliding screws, and gauges! MSS Comprehensive Catalog to assist in product selection *Technical information included.
Can be installed with commercially available impact wrenches, no special tools required! The unique screw shape achieves high strength, vibration resistance, and water tightness. 【*On-site demonstrations are available】


































































































































