S-91783A541 1/4"-20 x 7/8" ASME B18.6.3 Stainless Steel Round Head Slotted Screws
Stainless Steel Round Head Slotted 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 thanks to 18-8 stainless steel construction and passivated finish, ideal for harsh environments
- Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable, long-term fastening
- Wide compatibility and easy installation with standard UNC coarse threads and Class 2A fit for quick assembly
- Secure and tamper-resistant fastening provided by the fully threaded design and slotted rounded head
- Regulatory peace of mind with full compliance to ASME B18.6.3, RoHS 3, and REACH standards
- Optimized for industrial use with a durable passivated finish that enhances wear and chemical resistance
Professional Applications & Engineering Value
This 1/4"-20 x 7/8" slotted rounded head screw is engineered to address common industrial challenges such as vibration loosening and environmental degradation. Manufactured from 18-8 stainless steel and featuring a passivated finish, it provides excellent resistance to rust and corrosion, making it suitable for outdoor equipment, marine hardware, and chemical processing applications. The fully threaded design and UNC coarse thread ensure maximum grip and load distribution, reducing the risk of joint failure. Its rounded head with a slotted drive offers a flush fit and straightforward installation, ideal for assemblies where a low-profile, secure fastener is required. This screw delivers reliable performance in demanding settings, from machinery manufacturing to structural frameworks.
Specification Summary & Compliance
This screw meets precise dimensional standards with Class 2A thread fit and UNC coarse threading (1/4"-20), ensuring consistent performance and interchangeability. It is manufactured in accordance with ASME B18.6.3 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in regulated and international markets.
