For industry-level sewing machines, I recommend considering the **Brother Heavy Duty Sewing Machine FS60X**, available for R6999, which offers robust performance suitable for various fabrics. Another great option is the **Singer Heavy Duty Sewing Machine 4432**, priced at R6299, known for its durability and ability to handle thicker materials with ease. Lastly, the **Singer 4411 Heavy Duty Sewing Machine**, priced at R5499, is perfect for both household and light industrial use. Each of these machines is designed to tackle heavy-duty projects, making them ideal for your needs!