S-96655A133 10-32 Shoulder Screws

Shoulder Screws

0564FA00021 Shoulder Screws
0564FA00021 Shoulder Screws

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

Part No.
Part No. 0564FA00021
Equivalent to mcmaster :
96655A133

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 3/4"
Head Height 5/16"
Head Texture Knurled
Socket Head Profile Standard

Dimensions

Shoulder Diameter 1/2"
Shoulder Diameter Tolerance -0.004" to -0.002"
Shoulder Fit Standard
Shoulder Length 1"
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 Depth 1/4"
Thread Direction Right Hand
Thread Fit Class 2B
Threading Partially Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 1/4"

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B55
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

  • Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh environments
  • Enhanced load-bearing capability thanks to 70,000 psi tensile strength and Rockwell B55 hardness
  • Precise alignment and reduced wear achieved through the 1" shoulder with tight diameter tolerance
  • Secure installation and removal with knurled socket head and 1/4" hex drive preventing tool slippage
  • Reliable thread engagement ensured by Class 2B fine UNF threads for vibration resistance
  • Environmental compliance meeting RoHS 3 and REACH standards for safe industrial use
  • Versatile partial threading allowing precise clamping force control in assembly applications

Professional Applications & Engineering Value

These 10-32 UNF shoulder screws deliver exceptional engineering value in precision assemblies where alignment and durability are critical. The 18-8 stainless steel construction provides excellent corrosion resistance for manufacturing equipment, automotive components, and electronic enclosures exposed to moisture or chemicals. The 1" shoulder length with controlled tolerances acts as a precise pivot or spacer, reducing bearing wear in rotating mechanisms. The knurled socket head with hex drive ensures secure tool engagement during high-torque installation, while the Class 2B thread fit maintains stability in vibrating environments. These partially threaded shoulder screws are engineered to solve alignment challenges in machinery, robotics, and precision instrument applications where component positioning is paramount.

Specification Summary & Compliance

This shoulder screw features 10-32 UNF fine threads with Class 2B thread fit for precision engagement. The shoulder maintains tight dimensional control with diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005". Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring restriction of hazardous substances for industrial safety standards.

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