S-95198A284 4-40 x 1 1/2" ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws
Sealing Socket Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
Installation & Application
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior sealing performance with Buna-N rubber O-rings, effectively preventing leaks in pressurized systems up to 1500 psi.
- Excellent corrosion resistance provided by 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
- High-strength fastening with 100,000 psi tensile strength and Rockwell B85 hardness for demanding mechanical applications.
- Wide temperature tolerance from -40° to 225°F, maintaining seal integrity across diverse operating conditions.
- Precision thread engagement with Class 3A fit for secure, vibration-resistant connections in critical assemblies.
- Versatile industrial compatibility meeting ASME B18.3, DIN 912, and ISO 4762 standards for global engineering requirements.
- Secure hex drive installation with 3/32" drive size providing reliable torque transmission and strip-resistant performance.
Professional Applications & Engineering Value
Engineered for critical sealing applications, these socket head cap screws solve leakage challenges in pressurized fluid systems, pneumatic controls, and industrial equipment. The 18-8 stainless steel construction combined with Buna-N rubber O-rings creates a durable barrier against media escape while resisting chemical degradation. The 4-40 UNC coarse thread design ensures rapid assembly in thin materials, while the partial threading provides optimal clamp force distribution. These high-pressure fasteners deliver exceptional value in manufacturing, automotive, and instrumentation sectors where reliable sealing performance is paramount for system integrity and operational safety.
Specification Summary & Compliance
Manufactured to precision Class 3A thread fit with UNC coarse threading and 1-1/2" length featuring partial threading. Complies with ASME B18.3, DIN 912, and ISO 4762 dimensional standards. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. Designed for maximum hole diameter of 0.127" with standard socket head profile and right-hand thread direction.
