S-91273A141 10-32 Shoulder Screws

Shoulder Screws

0544FA00025 Shoulder Screws
0544FA00025 Shoulder Screws

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

Part No.
Part No. 0544FA00025
Equivalent to mcmaster :
91273A141

Basic Information

System of Measurement Inch

Head Parameters

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

Dimensions

Shoulder Diameter 3/16"
Shoulder Diameter Tolerance -0.004" to -0.002"
Shoulder Fit Standard
Shoulder Length 5/16"
Shoulder Length Tolerance -0.005" to 0.005"

Thread Parameters

Thread Type UNF
Thread Size 10-32
Thread Diameter 0.19"
Thread Spacing Fine
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 18-8 Stainless Steel
Hardness Rockwell B55
Tensile Strength 70000 psi
Minimum Shear Strength 35000 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

  • Exceptional corrosion resistance from 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
  • High-strength performance with 70,000 psi tensile strength and 35,000 psi minimum shear strength for demanding applications.
  • Precise alignment and spacing ensured by the 3/16" diameter shoulder with controlled tolerances, reducing assembly errors.
  • Secure, non-slip installation provided by the knurled head and hex socket drive, allowing for high-torque application.
  • Reliable, fine-thread engagement with the 10-32 UNF thread and Class 2A fit, offering vibration resistance and secure fastening.
  • Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and global market suitability.
  • Durable, wear-resistant material with a Rockwell B55 hardness, maintaining integrity under repeated use.

Professional Applications & Engineering Value

This 10-32 UNF shoulder screw is engineered to solve critical alignment and pivot point challenges in industrial assemblies. The 18-8 Stainless Steel body provides excellent corrosion resistance, making it suitable for machinery, automotive, and electronic equipment exposed to moisture or chemicals. The 3/16" shoulder length acts as a precise spacer or bearing surface, preventing component misalignment and reducing wear on moving parts. The hex socket drive and knurled head texture ensure secure gripping during installation, even in high-vibration environments. With its fine UNF thread and Class 2A fit, this screw delivers reliable, vibration-resistant fastening, enhancing the longevity and performance of your precision equipment.

Specification Summary & Compliance

This shoulder screw adheres to inch system measurements with a Class 2A thread fit for consistent, precise engagement. The shoulder diameter and length maintain tight tolerances (e.g., shoulder diameter: -0.004" to -0.002") to ensure accurate alignment. Manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, this product meets stringent environmental and safety standards for global industrial use.

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