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CSK Phillips UNF Metal Thread
CSK Metal Thread Screws with UNF Threads feature a fine-thread Unified National profile combined with a countersunk (CSK) head for flush, professional finishes in precision fastening applications. The UNF (Unified National Fine) thread offers greater tensile strength and better thread engagement, making these screws ideal for high-vibration environments and applications requiring a tight, secure hold. Commonly used in aerospace, automotive, and high-precision engineering, they’re suitable for fastening into tapped holes or with matching UNF nuts. Available in a variety of sizes, these screws deliver strong, accurate performance wherever fine-thread fastening is required.
