SEMS Screw: External Tooth, #12-24 Thread Size, 1/2 in Lg, Stainless Steel, Passivated
The SEMS Screw: External Tooth is a #12-24 thread size, 1/2 in long, stainless steel, passivated, pan-head machine screw with an external tooth lock washer, supplied in a 10-pack (MPN 1-PPE-12C-50). It features a #3…
SKU 3G-OTH-528638
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Product Description
The SEMS Screw: External Tooth is a #12-24 thread size, 1/2 in long, stainless steel, passivated, pan-head machine screw with an external tooth lock washer, supplied in a 10-pack (MPN 1-PPE-12C-50). It features a #3 drive size.
Frequently Asked Questions
What is a SEMS screw with external tooth used for?
A SEMS screw with an external tooth lock washer is used to fasten components in machinery, electrical enclosures, and metal assemblies where vibration resistance is needed. The pre-assembled washer prevents loosening, making it ideal for industrial maintenance and production applications.
What are the specifications of the SEMS screw #12-24 x 1/2 in?
This SEMS screw has a #12-24 thread size, 1/2 in length, stainless steel construction with passivated finish, pan head, and a #3 drive size. It includes an external tooth lock washer and comes in a 10-pack (MPN 1-PPE-12C-50).
Where to buy SEMS screws #12-24 in worldwide?
3G Electric supplies SEMS screws #12-24 worldwide, handling logistics, customs, and delivery to your site. As a global industrial solutions provider, we source genuine fasteners like this SEMS screw with external tooth lock washer for maintenance and production needs across industries.
How to install a SEMS screw with external tooth lock washer?
Install a SEMS screw by driving it with a #3 drive tool into a pre-tapped hole or with a nut. The external tooth washer bites into the mating surface to resist loosening from vibration. Use proper torque to avoid stripping the stainless steel threads.
SEMS Products
3G Electric supplies SEMS machine screws with external tooth lock washers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









