S-94912A220 8-32 x 3/8" ASTM F837 Stainless Steel Socket Head Screws with Split Lock Washer

Stainless Steel Socket Head Screws with Split Lock Washer

0041FA00005 Stainless Steel Socket Head Screws with Split Lock Washer
0041FA00005 Stainless Steel Socket Head Screws with Split Lock Washer

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

Part No.
Part No. 0041FA00005
Equivalent to mcmaster :
94912A220

Basic Information

Screw Features With Washer
System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 0.27"
Head Height 0.164"
Socket Head Profile Standard

Dimensions

Length 3/8"

Thread Parameters

Thread Type UNC
Thread Size 8-32
Thread Diameter 0.164"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded
Locking Type Lock Washer

Tip & Drive Parameters

Drive Style Hex
Drive Size 9/64"

Washer & Nut

Washer Type Split Lock
Washer Material 18-8 Stainless Steel
Washer OD 0.243"
Washer Thickness 3/64"

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B70
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASTM F837
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments.
  • Enhanced vibration resistance thanks to the integrated split lock washer, preventing loosening under dynamic loads.
  • High tensile strength of 70,000 psi and Rockwell B70 hardness for dependable performance in heavy-duty applications.
  • Precise Class 3A thread fit for secure, tight fastening with minimal risk of cross-threading or stripping.
  • Easy installation and removal with a standard 9/64" hex drive, allowing for efficient assembly in confined spaces.
  • Coarse UNC thread design enables quick engagement and reduced installation time in various materials.
  • Compliance with ASTM F837 standards guarantees consistent quality and engineering reliability.

Professional Applications & Engineering Value

This 18-8 Stainless Steel Socket Head Cap Screw is engineered to address critical industrial challenges, such as vibration-induced loosening and corrosion in demanding environments. The inclusion of a split lock washer provides reliable locking action, making it ideal for machinery, automotive assemblies, and electronic enclosures where stability is paramount. With a Class 3A thread fit and coarse UNC threads, it ensures rapid, secure fastening even in high-vibration settings. The hex drive design allows for precise torque application in tight spaces, enhancing assembly efficiency. Its robust 70,000 psi tensile strength and corrosion-resistant properties make it a trusted choice for industrial applications requiring durability and compliance with stringent specifications.

Specification Summary & Compliance

This screw features precise 8-32 UNC Class 3A threads with a coarse spacing, ensuring high dimensional accuracy and reliable performance. It adheres to ASTM F837 manufacturing standards and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental suitability for global industrial use.

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