what makes a sewing machine heavy duty

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  • Thick threads, often made from polyester, nylon, or waxed cotton, are designed to provide strength and durability. Their impressive tensile strength ensures that the seams can endure the stress and strain that leather items often encounter. Leather, being a robust and flexible material, demands a thread that can match its endurance. Thick threads fulfill this requirement, rendering them particularly suitable for items such as belts, bags, wallets, and shoes.


  • V. Project Ideas for Heavy Duty Sewing Machines

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