S-98704A525 10-32 x 1/2" Thumb Screws
Thumb 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
- Enhanced grip and torque application with a 5/8" knurled acetal plastic head, reducing slippage during manual adjustments.
- Superior corrosion resistance from 18-8 stainless steel construction, ensuring longevity in humid or harsh industrial settings.
- Precise and secure fastening with Class 3A thread fit and fine UNF threads, minimizing the risk of cross-threading and vibration loosening.
- Easy installation and removal thanks to the low-profile round head and hex drive, allowing for quick tool-free or tool-assisted operations.
- Reliable performance across temperatures from 32° to 180° F, maintaining integrity in varied operational environments.
- Durable, non-marring head material made of acetal plastic, protecting surfaces from scratches and damage during handling.
- Compliance with environmental standards including RoHS 3 and REACH, supporting sustainable and safe manufacturing practices.
Professional Applications & Engineering Value
This 10-32 UNF thumb screw is engineered for applications requiring frequent adjustments and reliable hold, such as in electronics enclosures, machinery panels, and laboratory equipment. The 18-8 stainless steel body offers excellent resistance to rust and oxidation, while the acetal plastic knurled head provides a secure, non-slip grip without the need for tools, reducing assembly time and operator fatigue. With a Class 3A thread fit and fine threading, it ensures tight tolerances and vibration resistance, addressing common issues like loosening under dynamic loads. Ideal for industries like aerospace, automotive, and medical devices, this screw combines ease of use with robust industrial durability, making it a go-to choice for precision fastening solutions.
Specification Summary & Compliance
This thumb screw adheres to UNF thread standards with a Class 3A thread fit for high precision and fine thread spacing. It is fully threaded with a right-hand direction and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Manufactured to exacting specifications, it supports reliable performance in regulated environments.
