S-92205A242 6-32 x 1/4" Sealing Hex Head Screws

Sealing Hex Head Screws

0289FA00025 Sealing Hex Head Screws
0289FA00025 Sealing Hex Head Screws

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

Part No.
Part No. 0289FA00025
Equivalent to mcmaster :
92205A242

Basic Information

Screw Features Sealing
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 1/4"
Head Height 3/32"

Dimensions

Length 1/4"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B85
Tensile Strength 80000 psi

Temperature & Environment

Maximum Pressure 20000 psi
O-Ring Material Silicone Rubber
O-Ring Temperature Range -80° to 400° F
REACH Compliant
RoHS Compliant

Installation & Application

For Maximum Hole Diameter 0.151"
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior sealing performance with silicone rubber O-ring that withstands extreme pressures up to 20,000 psi
  • Exceptional corrosion resistance thanks to 18-8 stainless steel construction with 80,000 psi tensile strength
  • Reliable thread engagement through Class 2A thread fit and UNC coarse threading for secure fastening
  • Wide temperature compatibility with O-ring performance maintained from -80° to 400°F
  • Enhanced durability with Rockwell B85 hardness and fully threaded design for maximum sealing contact
  • Easy installation and removal using standard external hex drive with 1/4" head width
  • Environmental compliance assurance meeting RoHS 3 and REACH regulations for industrial use

Professional Applications & Engineering Value

This 6-32 UNC hex head screw delivers critical sealing solutions for demanding industrial environments where fluid containment and pressure integrity are paramount. The combination of 18-8 stainless steel construction and silicone rubber O-ring addresses common failure points in hydraulic systems, pneumatic equipment, and fluid processing applications. The coarse threading and Class 2A thread fit ensure consistent performance in high-vibration settings, while the external hex drive provides reliable torque transmission. Engineered to prevent leaks under extreme conditions, this sealing hex screw maintains performance across a broad temperature spectrum from cryogenic to high-heat industrial processes.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit and UNC thread specifications. The screw features a 1/4" length, 6-32 thread size, and maximum hole diameter compatibility of 0.151". Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material transparency. The mechanical properties meet industrial requirements with 80,000 psi tensile strength and Rockwell B85 hardness rating.

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