S-90283A257 10-24 x 3" ASME B18.6.3 Steel Pan Head Slotted Screws

Steel Pan Head Slotted Screws

0121FA00056 Steel Pan Head Slotted Screws
0121FA00056 Steel Pan Head Slotted Screws

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

Part No.
Part No. 0121FA00056
Equivalent to mcmaster :
90283A257

Basic Information

System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.373"
Head Height 0.11"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 3"

Thread Parameters

Thread Type UNC
Thread Size 10-24
Thread Diameter 0.19"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Slotted

Material & Strength

Material Zinc-Plated Steel
Hardness Rockwell B60
Tensile Strength 60000 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

  • Enhanced corrosion resistance through zinc plating, extending service life in demanding industrial environments
  • Superior load-bearing capability with 60,000 psi tensile strength for reliable performance under stress
  • Optimized thread engagement with UNC coarse spacing and Class 2A fit ensuring secure fastening
  • Full-length threading provides maximum grip along the entire 3" shaft for superior holding power
  • Simplified installation and removal with standard slotted drive design compatible with common tools
  • Durable material construction featuring Rockwell B60 hardness for excellent wear resistance
  • Regulatory compliance assurance meeting ASME B18.6.3 standards and environmental regulations

Professional Applications & Engineering Value

These zinc-plated steel rounded head screws deliver exceptional performance in industrial settings where corrosion resistance and structural integrity are paramount. The UNC coarse thread configuration with Class 2A fit ensures rapid installation and reliable fastening in materials prone to vibration loosening. The pan head design with slotted drive provides a low-profile solution for applications requiring flush or slightly raised mounting surfaces. With fully threaded construction along the entire 3" length, these screws maintain consistent clamping force across the entire engagement area, making them ideal for machinery assembly, electrical enclosures, and structural frameworks where 60,000 psi tensile strength and Rockwell B60 hardness prevent stripping and deformation under load.

Specification Summary & Compliance

Manufactured to precise Class 2A thread fit tolerances with UNC coarse threading (10-24 size) and compliant with ASME B18.6.3 manufacturing specifications. These screws meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards, ensuring they contain no restricted substances. The right-hand thread direction and standardized dimensions guarantee compatibility with existing industrial components and tooling systems.

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