Shoulder Screws

Shoulder screws are fasteners with an unthreaded shoulder that provides a rotating surface or height spacer. They ensure precise alignment in assemblies, enhancing overall performance and reliability.

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Common Applications

fixture building

jig construction

motion systems

material handling systems

industrial automation

robotics

Buying Guide

Shoulder Screws Buying Considerations

  • Determine the shoulder diameter and length based on your assembly requirements.
  • Choose the appropriate material for the operating environment, such as stainless steel for corrosion resistance.
  • Consider thread length to ensure it matches the thickness of the materials you're fastening.
  • Account for head type, with socket heads offering ease of use in tight spaces.
  • Verify load capacity and durability for critical applications to maintain reliability.

Frequently Asked Questions

What are shoulder screws used for?
Shoulder screws are primarily used for precise alignment in assemblies and as pivot points or shafts.
How to choose the right shoulder screw?
Select based on material, shoulder length, diameter, and thread size according to the application requirements.
Can shoulder screws be used in moving assemblies?
Yes, they are ideal for moving assemblies due to their smooth shoulder design that allows for rotation.
What materials are available for shoulder screws?
Common materials include stainless steel, alloy steel, and brass to suit different industrial needs.