S-97345A378 6-32 Shoulder Screws

Shoulder Screws

0545FA00840 Shoulder Screws
0545FA00840 Shoulder Screws

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

Part No.
Part No. 0545FA00840
Equivalent to mcmaster :
97345A378

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 7/32"
Shoulder Diameter Tolerance -0.004" to -0.002"
Shoulder Fit Standard
Shoulder Length 3/4"
Shoulder Length Tolerance -0.005" to 0.005"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Length 3/16"
Thread Direction Right Hand
Thread Fit Class 3A

Tip & Drive Parameters

Drive Style Hex
Drive Size 3/32"

Material & Strength

Material 316 Stainless Steel
Hardness Rockwell B79
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

  • Superior corrosion resistance in harsh environments thanks to 316 Stainless Steel construction.
  • Exceptional mechanical strength with 70,000 psi tensile and 35,000 psi shear strength for demanding applications.
  • Precise component alignment and rotation ensured by the 3/4" shoulder with controlled diameter and length tolerances.
  • Reliable, secure fastening with a Class 3A fit 6-32 UNC coarse thread for high vibration resistance.
  • Easy installation and removal with a hex socket drive and a knurled head for improved grip.
  • Compliance with global environmental standards, being RoHS 3 and REACH compliant for unrestricted industrial use.
  • Durable and long-lasting performance backed by a Rockwell B79 hardness rating.

Professional Applications & Engineering Value

This 316 Stainless Steel shoulder screw is engineered to solve critical challenges in precision assemblies. The 3/4" shoulder length acts as a precise pivot, axle, or spacer, eliminating the need for additional components and reducing assembly complexity in machinery, automotive, and electronic applications. The Class 3A fit on the 6-32 UNC coarse thread ensures a secure, vibration-resistant connection, crucial for maintaining alignment in high-stress environments. The combination of high tensile strength and excellent corrosion resistance makes it ideal for use in demanding conditions where failure is not an option, providing long-term reliability and reducing maintenance cycles.

Specification Summary & Compliance

This shoulder screw features a 6-32 UNC coarse thread with a Class 3A precision fit. The shoulder diameter is 7/32" with a tolerance of -0.004" to -0.002", and the shoulder length is 3/4" with a tolerance of -0.005" to 0.005". It is manufactured from 316 Stainless Steel and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations.

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