SEMS Screw: External Tooth, 1/4"-20 Thread Size, 3/4 in Lg, Steel, Zinc-Plated
The SEMS Screw: External Tooth is a machine screw with an integrated external tooth lock washer, supplied in a 50-pack. This steel, zinc-plated hex-head fastener features a 1/4"-20 thread size, 3/4 in length, and a…
SKU 3G-OTH-528608
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Product Description
The SEMS Screw: External Tooth is a machine screw with an integrated external tooth lock washer, supplied in a 50-pack. This steel, zinc-plated hex-head fastener features a 1/4"-20 thread size, 3/4 in length, and a 3/8 in drive size (MPN HTCEIF02500750US-050P).
Frequently Asked Questions
What is a SEMS screw with external tooth lock washer used for?
A SEMS screw with an external tooth lock washer is used to fasten components while resisting loosening from vibration. The integrated washer bites into the mating surface, making it ideal for industrial assemblies in machinery, panels, and equipment where a secure, permanent hold is required.
What are the specifications of the SEMS screw 1/4"-20 x 3/4 in?
This SEMS screw has a 1/4"-20 thread size, 3/4 in length, and a 3/8 in hex drive size. It is made of steel with a zinc-plated finish, supplied in a 50-pack. The manufacturer part number is HTCEIF02500750US-050P.
Where to buy SEMS screws with external tooth lock washers worldwide?
3G Electric supplies SEMS screws with external tooth lock washers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver these fasteners to your facility. Contact us for pricing and lead time on your order.
How to select the correct SEMS screw for an assembly?
Select a SEMS screw by matching thread size, length, and drive type to your application. For vibration-prone assemblies, the external tooth lock washer provides added grip. Ensure the screw material (e.g., steel, zinc-plated) is compatible with the environment to prevent corrosion.
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.
