S-91781A370 000-120 x 3/16" ASME B18.11, ASME B18.6.3 Stainless Steel Slotted Flat Head Screws
Stainless Steel Slotted 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
- Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
- High tensile strength of 80,000 psi ensures reliable performance in demanding mechanical applications.
- Precision Class 2A thread fit guarantees smooth assembly and secure fastening with minimal risk of cross-threading.
- Fully threaded design provides maximum grip and load distribution along the entire screw length.
- Standard 82° countersink angle allows for flush mounting in precision-machined components.
- Compliance with ASME B18.11 standards ensures consistent quality and interchangeability in engineering projects.
- RoHS 3 and REACH environmental compliance supports sustainable and safe manufacturing practices.
Professional Applications & Engineering Value
These 000-120 thread flat head slotted screws are engineered for precision applications where space constraints and material integrity are critical. The 18-8 stainless steel material, combined with a passivated finish, offers superior resistance to oxidation and chemical exposure, making them ideal for electronics, instrumentation, and medical devices. The fine thread and Class 2A fit ensure tight, vibration-resistant connections in assemblies requiring high accuracy. With full threading and an 82° countersink, these screws provide reliable, flush fastening in thin materials, reducing the risk of component damage and improving overall assembly durability in industrial and engineering environments.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit tolerances and UNS fine thread specifications with a right-hand thread direction. It meets ASME B18.11 manufacturing standards for dimensional consistency and performance. Additionally, the product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.
