Thread hole correction, thread hole repair, bolt hole repair permanent measures, cast iron crack repair.
MS inserts are ideal for repairing damaged screw holes and bolt holes. They can also handle cracked areas around the holes and perform well in harsh environments.
"MS Insert" is a female screw part designed to repair damaged bolt holes. An insert utilizing a special structure on the outer diameter thread is embedded in the bolt hole area for restoration. It is difficult to pull out and does not impose a load on the base material, making it suitable for areas that are constantly exposed to vibration or for end sections. Compared to conventional products such as spring-type coils and self-tapping items, it improves precision and demonstrates groundbreaking effects in terms of durability. Additionally, by applying it in areas where bolts are frequently attached and detached, permanent measures can be established. 【Features】 ■ Difficult to pull out and does not impose a load on the base material ■ Ideal for permanent measures for screw holes ■ Can be used to strengthen and restore thread profiles ■ Enables application to end sections → The upward design of the thread profile attracts the surrounding base material toward the center of the screw from all directions. For more details, please contact us or download the catalog.
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basic information
【Lineup】 ○ HS Type Insert ・Insert for regenerating bolt holes ・Sizes from M6 to M24 are available as standard ○ HF Type Insert ・Insert suitable for repairs when there are cracks around the bolt hole ・Sizes from M10 to M24 are available as standard ○ HS Type Insert Kit ・Introduction kit including HS type insert, special tap #2, and installation tool ・Sizes from M6 to M24 are available as standard For more details, please contact us or download the catalog.
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Applications/Examples of results
【Examples of Achievements】 <Achievements in Cement Plant Equipment> - Gearbox casing - Support roller - Kiln tire - Cement mill cover - Cement mill body - Girth gear <Achievements in Power Generation Equipment> - Steam turbine casing - Gas turbine casing - Pump casing - Boiler - Internal combustion engine crankcase <Achievements in Marine-related Equipment> - Crankcase - Freshwater cooler - Housing - Manifold - Intake and exhaust pipes - Air cooler bolt holes <Achievements in Steelmaking and Iron-related Equipment> - Forging press frame - Cutting machine - CRG - Cooling tower blades <Achievements in General Industrial Machinery> - Motor pedestal - Casting equipment - Press machine frame - Press machine crown - Bolster - Slide - Upright - Vibrating screen - Feeder - Connecting rod - Press bed - Casting machine - Forging machine - Die-cast frame - Injection molding machine link housing <Others> - Casting prototypes - Aluminum prototypes - Casting foundry - Foundry - Industrial machinery parts manufacturing - Injection molding machine mold fixing bolt holes - Platen - Piano soundboard - Casing bolt holes - Exhaust pipe bolts - Casting crack repair
Detailed information
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HS Type Insert Kit ■ Kit Contents (HS-2116) ・Basic Components Inserts .......................... 5 pieces Special Tap #2 ................ 1 piece Installation Jig ............... 1 set Locking Pins ................... 6 pieces ・Options Drill Bits for Insert Pilot Hole Processing Special Tap #1, Special Tap #3 Drill Bits for Locking Pin Hole Processing
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Structure of MS Insert The angle of the external thread is significantly different from that of standard screws. Thanks to the design of the upward-facing threads, it creates a structure that attracts the surrounding base material towards the center of the screw from all directions.
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HS type insert - This is an insert for repairing bolt holes. - Sizes from M6 to M24 are available as standard. - Two types of insert heights are available as standard. - The material of the insert is S45C.
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HF type insert - This insert is suitable for repairs when there are cracks around the bolt holes. - Sizes from M6 to M24 are available as standard. - A standard height for one type of insert is prepared. - The material of the insert is S45C. - The special flange shape prevents the propagation of cracks around the bolt holes.
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The mechanical stitch metal crack repair technology is a method (mechanical stitch method) that physically repairs metal cracks using special bolts and reinforcement plates, and since it does not apply heat to the repair area, it does not cause thermal distortion in the crack repair (mechanical stitch method). In addition to metal crack repair, it also has the technology to regenerate damaged screw threads using repair inserts. Furthermore, since repairs can be conducted on-site, it allows for reduced construction time and cost savings.