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- October 27, 2025
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RA Power Solutions specialises in metal stitching and metal locking. We provide trusted and effective solutions to repair cracked or damaged cast iron components. Unlike traditional welding, our cold repair techniques prevent heat-induced stress and distortion. They maintain structural integrity and preserve the original material properties.
What is Metal Stitching and Metal Locking?
Metal stitching and metal locking are specialised cold repair techniques used to restore cracked or damaged cast iron and other metal components without welding or heat application. These methods are widely used in industries where heat-based repairs could cause further damage, distortion, or weakening of the material.
Metal Stitching
Metal stitching is a mechanical repair process that joins broken metal parts by inserting precision-engineered metal stitches along the crack. These stitches restore the strength and integrity of the component while keeping the original structure intact. The process involves:
- Drilling holes along the crack in a controlled manner.
- Connecting the holes with a milled slot to create a secure stitching channel.
- Installing metal stitches or keys that pull the broken sections together, creating a seamless repair.
Metal Locking
Metal Stitching and Metal Locking Services is an advanced reinforcement technique that works alongside metal stitching. And Enhance the repair’s strength. It involves placing metal locks perpendicular to the crack to distribute stress evenly, preventing further damage. This makes the repair permanent, durable, and capable of withstanding high loads and pressure.
Why Choose RA Power Solutions?
- 45+ Years of Experience – The only company in India with decades of expertise in metal surgery, metal locking, and metal stitching.
- Onsite Repairs – No need to dismantle heavy machinery; we repair components at your location, minimizing downtime.
- Global Reach – Our team has completed over 1000 crack repair projects worldwide, serving industries across various sectors.
- Trusted by Leading Companies – Major corporations in India and internationally rely on us for cost-effective and high-quality repairs of heavy cast iron components.
At RA Power Solutions, we use portable and lightweight equipment, allowing our skilled technicians to provide onsite repair services at any plant or site in India and worldwide. With over 45 years of experience, we are the only company in India. With a proven track record in metal locking and metal stitching. Our expertise has made us a trusted partner for major companies globally.
Leading industries in India and across the world rely on our services. For crack repair and restoration of heavy cast iron components.
For more information on Metal Stitching and Metal Locking Services, metal stitching, cast iron stitching, or cracked engine block repair. please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.
FAQs
Metal stitching and metal locking are cold-repair techniques used to restore cracked or damaged cast-iron components without welding.
The process involves drilling along the crack, creating a channel, and inserting interlocking metal stitches or pins that pull the broken sections together, restoring strength.
Metal locking reinforces the repair by placing perpendicular pins or locks across the crack. This method distributes stress evenly and increases durability under high load.
Cold-repair methods avoid heat-induced stress and distortion, preserving the original material’s properties and integrity.
Yes, RA Power Solutions offers on-site crack repair of heavy cast iron components, reducing downtime and eliminating the need to dismantle large equipment.