S-92952A330 10-32 Shoulder Screws

Shoulder Screws

0573FA00021 Shoulder Screws
0573FA00021 Shoulder Screws

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

Part No.
Part No. 0573FA00021
Equivalent to mcmaster :
92952A330

Basic Information

System of Measurement Inch

Head Parameters

Head Type Thumb
Thumb Screw Head Shape Round
Round-Head Thumb Screw Profile Raised
Head Diameter 7/16"
Head Height 3/16"
Head Texture Knurled

Dimensions

Shoulder Diameter 1/4"
Shoulder Diameter Tolerance -0.001" to 0"
Shoulder Fit Precise
Shoulder Length 5/8"
Shoulder Length Tolerance 0" to 0.002"

Thread Parameters

Thread Type UNF
Thread Size 10-32
Thread Diameter 0.19"
Thread Spacing Fine
Thread Length 1/4"
Thread Direction Right Hand
Thread Fit Class 2A

Tip & Drive Parameters

Drive Style Hex
Drive Size 1/8"

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B83
Tensile Strength 70000 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

  • Easy manual installation and removal with a knurled thumb head and integrated 1/8" hex drive, reducing tool dependency in tight spaces.
  • Superior corrosion resistance and durability from 18-8 Stainless Steel construction, ideal for harsh industrial environments.
  • Exceptional mechanical strength with a Rockwell B83 hardness and 70,000 psi tensile strength, ensuring reliable performance under load.
  • Precise component alignment and pivot points due to a tightly toleranced 1/4" shoulder diameter (-0.001" to 0") and 5/8" shoulder length.
  • Secure, vibration-resistant fine thread engagement with a 10-32 UNF Class 2A thread fit for stable assemblies.
  • Compliance with major environmental regulations, including RoHS 3 and REACH, for use in regulated markets.
  • Versatile right-hand thread design for standard assembly processes across various machinery and equipment.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to solve critical alignment and mounting challenges in industrial assemblies. The 18-8 Stainless Steel material offers excellent resistance to rust and corrosion, making it suitable for applications in moist or chemically aggressive environments, such as food processing, medical devices, and outdoor machinery. The fine thread (10-32 UNF) and Class 2A thread fit provide a secure, tight connection that minimizes loosening under vibration, while the precisely machined shoulder acts as a reliable datum for locating gears, bearings, or linkages. The combination of a knurled thumb head and hex drive allows for quick manual adjustments without specialized tools, enhancing maintenance efficiency in automated systems and electronic enclosures where space is constrained.

Specification Summary & Compliance

This shoulder screw adheres to inch system measurements with a 10-32 UNF fine thread and Class 2A thread fit for standard compatibility. The shoulder diameter is held to a tight tolerance of -0.001" to 0", and the shoulder length is 5/8" with a tolerance of 0" to 0.002", ensuring precise assembly. Manufactured from 18-8 Stainless Steel with a hardness of Rockwell B83 and tensile strength of 70,000 psi, it meets rigorous mechanical demands. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting use in environmentally conscious industrial applications.

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