S-96738A048 1/4"-28 x 1" ASME B18.3 Vibration-Resistant Sealing Socket Head Screws

Vibration-Resistant Sealing Socket Head Screws

0047FA00016 Vibration-Resistant Sealing Socket Head Screws
0047FA00016 Vibration-Resistant Sealing Socket Head Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0047FA00016
Equivalent to mcmaster :
96738A048

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 3/8"
Head Height 1/4"
Socket Head Profile Standard

Dimensions

Length 1"

Thread Parameters

Thread Type UNF
Thread Size 1/4"-28
Thread Diameter 0.25"
Thread Spacing Fine
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded
Locking Type Thread Locker
Thread Locker Type Nylon Patch
Thread Locker Temperature Range -70° to 250° F

Tip & Drive Parameters

Drive Style Hex
Drive Size 3/16"

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B85
Tensile Strength 100000 psi

Temperature & Environment

Maximum Pressure 1500 psi
O-Ring Material Buna-N Rubber
O-Ring Temperature Range -40° to 225° F
REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3

Installation & Application

For Maximum Hole Diameter 0.265"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Vibration-resistant locking with Nylon Patch thread locker maintains secure fastening even under dynamic loads and temperatures from -70° to 250° F.
  • Superior corrosion resistance from 18-8 Stainless Steel construction ensures long-term durability in harsh industrial environments.
  • Reliable fluid and gas sealing with integrated Buna-N rubber O-ring, effective from -40° to 225° F and up to 1500 psi pressure.
  • Precise thread engagement with Class 3A UNF fine threads provides excellent clamp load distribution and minimizes loosening risks.
  • High tensile strength of 100,000 psi delivers robust performance for critical applications requiring dependable mechanical fastening.
  • Standard hex socket drive allows for easy installation and removal with common 3/16" Allen wrenches in confined spaces.
  • Full thread coverage along the 1" length ensures maximum grip and adjustability in various material thicknesses.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this 18-8 Stainless Steel Socket Head Cap Screw combines Nylon Patch thread locking and a Buna-N O-ring seal to address common challenges like vibration-induced loosening and fluid leakage. The Class 3A UNF fine threads offer superior thread fit, reducing the risk of cross-threading and ensuring consistent clamping force in precision assemblies. Ideal for machinery, automotive, and pneumatic systems, it withstands pressures up to 1500 psi and extreme temperatures, providing a reliable, maintenance-free solution that enhances operational safety and reduces downtime in high-stress applications.

Specification Summary & Compliance

This screw features 1/4"-28 UNF fine threads with Class 3A fit for high precision, a fully threaded 1" length, and a standard hex socket drive (3/16"). It complies with ASME B18.3 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring quality and regulatory adherence for global industrial use.

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