S-96640A144 10-32 x 1/2" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Stainless Steel Phillips Flat Head Screws

0320FA00445 Stainless Steel Phillips Flat Head Screws
0320FA00445 Stainless Steel Phillips Flat Head Screws

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Part No.
Part No. 0320FA00445
Equivalent to mcmaster :
96640A144

Basic Information

System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.362"
Head Height 0.116"
Flat Head Profile Standard

Dimensions

Length 1/2"

Thread Parameters

Thread Type UNF
Thread Size 10-32
Thread Spacing Fine
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Phillips
Drive Size No. 2
Countersink Angle 82°

Material & Strength

Material Black-Oxide 18-8 Stainless Steel
Hardness Rockwell B80
Tensile Strength 80000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.6.3
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Exceptional corrosion resistance with Black-Oxide coated 18-8 Stainless Steel, ideal for harsh or humid industrial environments.
  • High tensile strength of 80,000 psi ensures reliable, long-lasting fastening under demanding mechanical loads.
  • Precise Class 2A thread fit provides smooth installation and secure engagement in fine-threaded applications.
  • Standard 82° countersink angle and flat head design allows for flush mounting, reducing snagging and improving aesthetics.
  • Full threading along the 1/2" length maximizes grip and load distribution across the entire fastener.
  • Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards are met.
  • Phillips drive (No. 2 size) offers common tool compatibility and efficient installation in various assembly settings.

Professional Applications & Engineering Value

These 10-32 UNF flat head Phillips screws are engineered to address critical challenges in industrial assembly, such as vibration loosening and environmental degradation. The Black-Oxide 18-8 Stainless Steel construction provides superior corrosion resistance, making them ideal for applications in marine, automotive, and electronics where moisture and chemicals are present. The fine UNF threads and Class 2A fit ensure precise alignment and reduced risk of cross-threading, while the fully threaded design enhances clamping force in thin materials. With an 82° countersink, these screws sit flush to prevent interference in compact designs, supporting efficient production and maintenance cycles in machinery, enclosures, and structural frameworks.

Specification Summary & Compliance

This screw features a 10-32 UNF fine thread with Class 2A tolerance for consistent fit, a 1/2" length, and Rockwell B80 hardness. It is manufactured in accordance with ASME B18.6.3 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of hazardous substances and suitable for global industrial use.

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