Based on this product's specifications, here are some alternatives and similar models
Bettermann VTEC EX M50 Polyamide Cable Gland, IP68, Black
Summary description:
The Bettermann VTEC EX M50 is a high-quality polyamide cable gland designed for secure cable entry in industrial applications. Featuring an M50 thread size and IP68 protection rating, it provides excellent dust and water resistance. This black cable gland is engineered for durability and reliable performance in demanding environments, ensuring optimal cable strain relief and sealing.