S-91771A167 1-72 x 5/16" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws
Stainless Steel Phillips Flat Head 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 passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- High tensile strength of 80,000 psi ensures reliable fastening under significant mechanical stress
- Precise Class 2A thread fit guarantees smooth assembly and consistent performance in fine-thread applications
- Fully threaded design provides maximum grip and load distribution along the entire length
- Standard 82° countersink angle allows for flush mounting and a clean, professional finish
- Compliance with ASME B18.6.3 ensures dimensional accuracy and interchangeability in machinery
- RoHS 3 and REACH compliant for safe use in regulated industries without hazardous substances
Professional Applications & Engineering Value
This 1-72 UNF flat head screw with fine thread spacing is engineered to address critical fastening challenges in precision assemblies. The passivated 18-8 stainless steel material offers excellent resistance to oxidation and chemical exposure, making it suitable for industrial applications in electronics, automotive, and machinery where durability is paramount. The Phillips drive (No. 0) ensures secure tool engagement, reducing cam-out risks during installation. With its fully threaded right-hand design and flat head profile, it provides reliable clamping force and a low-profile finish, minimizing protrusion in compact spaces. This screw meets ASME B18.6.3 standards, ensuring consistent performance in high-vibration environments and simplifying procurement for B2B buyers seeking dependable, specification-compliant components.
Specification Summary & Compliance
This product features a 1-72 UNF thread size with Class 2A thread fit for precise dimensional tolerance, as per ASME B18.6.3 specifications. It is manufactured from 18-8 stainless steel with a passivated surface treatment, offering a hardness of Rockwell B80 and 80,000 psi tensile strength. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring adherence to environmental and safety regulations for industrial use.
