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Need some serious shoulder screws for your next project?

This set of 25 socket head shoulder screws has you covered with precision manufacturing that meets ASME B18.3 and ASTM A574 specifications.

These bad boys feature a 1/4 inch shoulder diameter with a 1 inch shoulder length, paired with 10-32 thread size that works with a wide range of applications.
The black oxide finish gives them a professional look, though keep in mind this isn't a protective coating - if you're using these in moist environments, you might want to consider stainless steel options instead.

The nominal hexagon socket (that's your Allen wrench size for those wondering) is 1/8 inch, making installation and removal straightforward with standard tools.

Shoulder screws are incredibly versatile - they're perfect for applications where you need precise alignment, pivoting mechanisms, or spacing between components.
The shoulder portion acts as a precision ground diameter that can serve as a bearing surface, pivot point, or location device in assemblies.

Whether you're working on machinery, automotive projects, robotics, or any precision engineering application, these screws deliver the quality and consistency you need.
The heat-treated alloy steel construction ensures strength and durability that can handle significant loads and repeated use.

Each screw is manufactured to tight tolerances, ensuring reliable performance in critical applications.

From mounting gears and pulleys to creating precise pivots in mechanisms, these shoulder screws are the unsung heroes of many mechanical assemblies.

Having 25 pieces means you've got plenty for your current project and future needs too.
Trusted by machinists, engineers, and DIY enthusiasts alike, these quality shoulder screws represent that perfect combination of precision manufacturing, material quality, and practical packaging that makes tackling mechanical projects so much smoother and more professional.

4.7 out of 5