S-95446A220 8-32 Shoulder Screws

Shoulder Screws

0579FA00005 Shoulder Screws
0579FA00005 Shoulder Screws

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

Part No.
Part No. 0579FA00005
Equivalent to mcmaster :
95446A220

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 5/16"
Head Height 5/32"
Head Texture Smooth
Socket Head Profile Standard

Dimensions

Shoulder Diameter 3/16"
Shoulder Diameter Tolerance -0.002" to 0"
Shoulder Fit Precise
Shoulder Length 1/8"
Shoulder Length Tolerance 0" to 0.003"

Thread Parameters

Thread Type UNC
Thread Size 8-32
Thread Diameter 0.164"
Thread Spacing Coarse
Thread Length 3/16"
Thread Direction Right Hand
Thread Fit Class 2A

Tip & Drive Parameters

Drive Style Hex
Drive Size 3/32"

Material & Strength

Material 360 Brass
Hardness Rockwell B55
Tensile Strength 40000 psi
Minimum Shear Strength 22000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
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 360 brass construction, ideal for harsh environments and electrical applications.
  • Precise component alignment ensured by the 3/16" shoulder diameter with a tight tolerance of -0.002" to 0".
  • High-strength performance with a tensile strength of 40,000 psi and Rockwell B55 hardness for reliable, durable fastening.
  • Easy installation and removal using the 3/32" hex socket drive, providing secure tool engagement and reducing slippage.
  • Consistent thread engagement with Class 2A UNC coarse threads, offering quick assembly and vibration resistance.
  • Compliance with environmental regulations, meeting RoHS 3 and REACH standards for safe industrial use.
  • Smooth head finish minimizes friction and damage to mating surfaces during installation.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address alignment challenges in assemblies requiring exact positioning, such as in machinery, electronics, and automotive components. The 360 brass material provides excellent conductivity and resistance to corrosion, making it suitable for applications where electrical properties and durability are critical. The UNC coarse threading and 3/16" shoulder length ensure quick, secure fastening with minimal risk of cross-threading, while the hex socket drive allows for efficient installation in confined spaces. Ideal for use in industrial shoulder screw applications, it supports reliable performance in high-stress environments, reducing maintenance needs and enhancing operational efficiency.

Specification Summary & Compliance

This screw features a Class 2A thread fit for standard tolerance and easy assembly, with UNC coarse threads (8-32 size) and a right-hand thread direction. The shoulder diameter is 3/16" with a precise tolerance of -0.002" to 0", and the shoulder length is 1/8" with a tolerance of 0" to 0.003". It complies with RoHS 3 (2015/863/EU) under exemption 6(c) for lead in copper alloy and REACH (EC 1907/2006) standards, ensuring environmental safety for industrial use.

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