S-91790A199 8-32 x 1" ASME B18.6.3 Stainless Steel Slotted Oval Head Screws

Stainless Steel Slotted Oval Head Screws

0359FA00021 Stainless Steel Slotted Oval Head Screws
0359FA00021 Stainless Steel Slotted Oval Head Screws

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

Part No.
Part No. 0359FA00021
Equivalent to mcmaster :
91790A199

Basic Information

System of Measurement Inch

Head Parameters

Head Type Oval
Head Diameter 0.312"
Head Height 0.152"
Oval Head Profile Standard
Oval Top Height 0.052"

Dimensions

Length 1"

Thread Parameters

Thread Type UNC
Thread Size 8-32
Thread Diameter 0.164"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Slotted
Countersink Angle 82°

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
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

  • Superior corrosion resistance with 18-8 Stainless Steel and passivated finish, ideal for harsh environments
  • High tensile strength of 80,000 psi ensures reliable, long-lasting fastening under heavy loads
  • Class 2A thread fit provides smooth assembly and consistent engagement in coarse UNC threads
  • Fully threaded design maximizes grip and load distribution along the entire 1" length
  • Oval head with slotted drive offers a finished appearance and easy installation with standard tools
  • Rockwell B80 hardness maintains structural integrity and resists deformation during tightening
  • Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality and environmental safety for industrial use

Professional Applications & Engineering Value

This 8-32 UNC Oval Head Slotted Screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and assembly efficiency. Made from 18-8 Stainless Steel with a passivated finish, it provides excellent resistance to rust and chemicals, making it suitable for applications in marine, food processing, and outdoor equipment. The coarse UNC thread and Class 2A fit ensure quick, secure installation in materials like metal and plastic, reducing the risk of cross-threading. The oval head design sits flush for a smooth surface, while the slotted drive allows for straightforward manual or automated fastening. Ideal for flat head screw applications requiring both aesthetic appeal and high-strength performance, this screw delivers consistent reliability in demanding environments.

Specification Summary & Compliance

This screw features precise Class 2A thread fit per UNC standards, with a thread size of 8-32 and length of 1 inch. It is manufactured in compliance with ASME B18.6.3 specifications, ensuring dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial applications.

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