S-98273A355 1/4"-20 x 1/2" Tapping Screws
Tapping 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 corrosion resistance with 410 Stainless Steel construction, ideal for demanding industrial environments.
- Efficient self-tapping installation using thread cutting (Type 23/T) technology, eliminating the need for pre-tapped holes in materials like brass, cast iron, and sheet metal.
- Reliable drive engagement with a Phillips No. 3 drive, ensuring secure torque transfer and reducing cam-out risks.
- Excellent holding power provided by UNC coarse threads and full threading, delivering strong, vibration-resistant fastening.
- Versatile material compatibility specifically engineered for use in brass, cast iron, and sheet metal applications.
- Environmental compliance assurance meeting RoHS 3 and REACH standards, supporting sustainable and regulated manufacturing practices.
- Optimized head design with a standard pan head profile for a low-profile, secure fit and easy installation.
Professional Applications & Engineering Value
This 1/4"-20 UNC thread cutting screw is engineered to address common challenges in metalworking and assembly, such as reducing installation time and minimizing thread failure. Made from 410 Stainless Steel, it offers excellent strength and resistance to corrosion, making it suitable for harsh conditions. The thread cutting (Type 23/T) design allows for direct tapping into materials like brass, cast iron, and sheet metal, eliminating the need for separate tapping operations and reducing labor costs. With a Phillips drive and coarse UNC threads, it ensures quick, secure fastening in construction, automotive, and industrial equipment, enhancing overall assembly efficiency and durability.
Specification Summary & Compliance
This screw features a 1/4"-20 UNC coarse thread with full threading and standard Class 2A tolerances for precise fit. It includes a pan head with Phillips No. 3 drive and is manufactured to comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and sustainability in industrial applications.
