S-90517A314 10-24 x 1" ASME B18.3 Tamper-Resistant Hex Drive Flat Head Screws

Tamper-Resistant Hex Drive Flat Head Screws

0370FA00015 Tamper-Resistant Hex Drive Flat Head Screws
0370FA00015 Tamper-Resistant Hex Drive Flat Head Screws

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

Part No.
Part No. 0370FA00015
Equivalent to mcmaster :
90517A314

Basic Information

System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.411"
Head Height 0.127"
Flat Head Profile Standard

Dimensions

Length 1"

Thread Parameters

Thread Type UNC
Thread Size 10-24
Thread Diameter 0.19"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Tamper-Resistant Hex
Drive Size 5/32"
Countersink Angle 82°

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
Hardness Rockwell B55
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Enhanced Security: Tamper-resistant hex drive prevents unauthorized removal, ideal for public or high-risk installations.
  • Superior Corrosion Resistance: 18-8 stainless steel with passivated finish ensures long-term durability in harsh, moist, or chemical environments.
  • High Tensile Strength: Rated at 70,000 psi for reliable performance under heavy loads and vibration.
  • Precision Thread Fit: Class 3A thread fit provides tighter tolerances for secure, vibration-resistant fastening in critical assemblies.
  • Optimal Material Hardness: Rockwell B55 hardness balances strength and machinability, reducing the risk of stripping or shearing.
  • Full Thread Engagement: Fully threaded design maximizes grip and load distribution across the entire length.
  • Regulatory Compliance: Meets ASME B18.3 standards and is RoHS 3 & REACH compliant for safe, global industrial use.

Professional Applications & Engineering Value

Engineered for demanding environments, these 10-24 UNC flat head screws with tamper-resistant hex drive address critical needs in security and durability. The 18-8 stainless steel construction, enhanced by a passivated finish, provides exceptional resistance to rust and chemical exposure, making them suitable for outdoor equipment, marine hardware, and industrial machinery. The Class 3A thread fit and coarse thread spacing ensure quick, secure installation with minimal risk of loosening under vibration. Commonly used in electronic enclosures, public infrastructure, and automotive assemblies, these screws prevent tampering while maintaining high tensile strength and reliability, reducing maintenance costs and downtime.

Specification Summary & Compliance

This screw features a 10-24 UNC coarse thread with Class 3A precision fit, ensuring tight tolerances and consistent performance. It complies with ASME B18.3 manufacturing standards and is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, meeting environmental and safety regulations for industrial applications worldwide.

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