SEMS Screw: External Tooth, #4-40 Thread Size, 7/16 in Lg, Stainless Steel, Passivated
The SEMS Screw: External Tooth is a #4-40 thread size, 7/16 in long, stainless steel, passivated, pan-head machine screw with an external tooth lock washer, supplied in a 50-pack (MPN 1-PPE-4C-43). It features a #1…
SKU 3G-OTH-528583
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Product Description
The SEMS Screw: External Tooth is a #4-40 thread size, 7/16 in long, stainless steel, passivated, pan-head machine screw with an external tooth lock washer, supplied in a 50-pack (MPN 1-PPE-4C-43). It features a #1 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 #4-40 x 7/16 in?
This SEMS screw has a #4-40 thread size, 7/16 in length, stainless steel construction with passivated finish, pan head, and a #1 drive size. It includes an external tooth lock washer and comes in a 50-pack (MPN 1-PPE-4C-43).
Where to buy SEMS screws in worldwide?
3G Electric supplies SEMS screws worldwide, handling logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine fasteners like this #4-40 x 7/16 in SEMS screw and support procurement across 14 industrial departments.
How to select the right SEMS screw for an application?
Select a SEMS screw by matching thread size, length, material, and head type to your assembly requirements. For vibration-prone environments, choose external tooth washers. Stainless steel with passivation offers corrosion resistance. Verify drive size compatibility with your tools.
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.
