S-90505A176 6-32 x 3/8" Sealing Stainless Steel Phillips Flat Head Screws

Sealing Stainless Steel Phillips Flat Head Screws

0304FA00002 Sealing Stainless Steel Phillips Flat Head Screws
0304FA00002 Sealing Stainless Steel Phillips Flat Head Screws

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

Part No.
Part No. 0304FA00002
Equivalent to mcmaster :
90505A176

Basic Information

Screw Features Sealing
System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.279"
Head Height 0.038"
Flat Head Profile Undercut

Dimensions

Length 3/8"

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 Phillips
Drive Size No. 1
Countersink Angle 82°

Material & Strength

Material 316 Stainless Steel
Hardness Not Rated
Tensile Strength 70000 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

Installation & Application

For Maximum Hole Diameter 0.152"
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 corrosion resistance with 316 stainless steel construction for extended service life in harsh environments
  • Reliable high-pressure sealing up to 1500 psi with integrated Buna-N O-ring for leak-proof assemblies
  • Wide temperature compatibility from -40° to 225°F maintains sealing integrity across diverse operating conditions
  • Enhanced driving stability with undercut flat head design preventing surface protrusion and improving flush mounting
  • Optimized thread engagement through Class 2A thread fit and 6-32 UNC coarse threads ensuring secure fastening
  • High tensile strength of 70,000 psi provides exceptional load-bearing capacity for demanding applications
  • Full regulatory compliance with RoHS 3 and REACH standards for global industrial use

Professional Applications & Engineering Value

This 316 stainless steel flat head sealing screw addresses critical challenges in industrial equipment where fluid containment and corrosion resistance are paramount. The combination of Buna-N O-ring technology and undercut flat head profile creates a reliable barrier against leaks in high-pressure systems up to 1500 psi, while the fully threaded 6-32 UNC coarse thread design ensures maximum thread contact for vibration-resistant fastening. Engineered for chemical processing, marine, and food equipment applications, the screw maintains sealing performance across extreme temperature variations from -40° to 225°F, preventing system failures and reducing maintenance downtime in critical sealing applications.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit and 82° countersink angle for proper flush installation. The 6-32 UNC coarse thread maintains consistent thread diameter of 0.138" with 3/8" length for standardized mounting. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial markets while meeting stringent quality and material composition requirements.

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