S-90344A128 10-24 x 1/2" ASTM A574 Socket Head Screws with Flat Washer

Socket Head Screws with Flat Washer

0046FA00019 Socket Head Screws with Flat Washer
0046FA00019 Socket Head Screws with Flat Washer

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

Part No.
Part No. 0046FA00019
Equivalent to mcmaster :
90344A128

Basic Information

Screw Features With Washer
System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 5/16"
Head Height 0.19"
Socket Head Profile Standard

Dimensions

Length 1/2"

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 Hex
Drive Size 5/32"

Washer & Nut

Washer Type Flat
Washer Material Black-Oxide Steel
Washer OD 1/2"
Washer Thickness 0.049"

Material & Strength

Material Black-Oxide Alloy Steel
Hardness Rockwell C39
Tensile Strength 170000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASTM A574
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 corrosion resistance with black-oxide coating, extending service life in demanding industrial environments.
  • Superior tensile strength of 170,000 psi ensures reliable performance under high-stress applications without failure.
  • Precise Class 3A thread fit guarantees secure, vibration-resistant fastening with minimal risk of loosening.
  • Integrated flat washer distributes load evenly, reducing surface damage and improving joint integrity.
  • High hardness (Rockwell C39) provides excellent wear resistance, maintaining thread integrity through repeated use.
  • Full compliance with ASTM A574, RoHS 3, and REACH ensures material quality and environmental safety for global supply chains.
  • Coarse UNC threads enable quick assembly and disassembly, saving time in maintenance and production cycles.

Professional Applications & Engineering Value

This 10-24 UNC thread socket head cap screw is engineered from black-oxide alloy steel to address critical challenges in heavy machinery, automotive, and aerospace assemblies. Its high tensile strength and Rockwell C39 hardness prevent stripping and deformation under dynamic loads, while the integrated flat washer eliminates the need for separate components, reducing installation errors. The corrosion-resistant black-oxide finish protects against rust in humid or chemical-exposed settings, ensuring long-term reliability. Ideal for applications requiring precision Class 3A thread fits, this screw delivers consistent performance in industrial fastening systems, minimizing downtime and maintenance costs.

Specification Summary & Compliance

This product adheres to Class 3A thread fit and UNC coarse thread standards for precise dimensional accuracy. It meets ASTM A574 specifications for alloy steel socket head cap screws, ensuring material integrity and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it supports environmentally safe and regulated industrial use.

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