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Metric Cup Point Set Screws, 45H Iso 4029 / Din 916, Thermal Black Oxide
Metric Cup Point Set Screws manufactured to ISO 4029 / DIN 916 standards are precision fasteners designed for secure, high-torque applications. Made from 45H alloy steel and heat treated for strength, these set screws feature a cup point that bites into the mating surface for superior holding power. The thermal black oxide finish provides mild corrosion resistance, reduces glare, and improves lubricity during installation.
Ideal for machinery, power transmission, automotive, and industrial equipment, ISO 4029 / DIN 916 cup point set screws are commonly used to secure pulleys, collars, gears, and bearings onto shafts. The internal hex socket allows for controlled installation in confined spaces, while the hardened cup point resists loosening under vibration and dynamic loads. Designed for metric applications requiring consistent performance and repeatability, these set screws are a reliable choice for demanding assemblies.
