S-91318A450 1/4"-28 x 1/8" Set Screws
Set Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior holding power with fine thread spacing for enhanced grip and vibration resistance in demanding applications.
- Excellent corrosion resistance provided by 18-8 Stainless Steel, ensuring longevity in harsh or moist industrial environments.
- High-strength performance with Rockwell B80 hardness, offering reliable durability and resistance to wear.
- Precise thread fit with Class 3A tolerance for secure, tight fastening and reduced risk of loosening.
- Easy installation and removal thanks to the hex drive design, allowing for efficient tool engagement in confined spaces.
- Headless design for flush mounting, ideal for applications where protrusion must be minimized.
- Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe and sustainable use in global markets.
Professional Applications & Engineering Value
This 1/4"-28 UNF Class 3A fine thread set screw is engineered to address common industrial challenges such as component slippage and corrosion-induced failure. Made from 18-8 Stainless Steel, it provides robust corrosion resistance, making it suitable for machinery, automotive assemblies, and electronic enclosures exposed to moisture or chemicals. The fine thread spacing and Class 3A thread fit ensure a tight, secure hold that minimizes vibration loosening, while the hex drive and headless design facilitate easy installation in tight spaces without protruding. Ideal for precision applications requiring reliable, long-term fastening, this screw enhances equipment durability and reduces maintenance needs in industrial set screw uses.
Specification Summary & Compliance
This set screw features a 1/4"-28 UNF fine thread with Class 3A thread fit for high precision and a length of 1/8". It adheres to standard manufacturing specifications for inch-system fasteners and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial components.
