SEMS Screw: External Tooth, #6-32 Thread Size, 1/4 in Lg, Steel, Zinc-Plated
The SEMS Screw: External Tooth is a #6-32 thread size, 1/4 in length machine screw with an external tooth lock washer, made of steel with a zinc-plated finish, pan head, and slotted drive, supplied in a 100-piece…
SKU 3G-OTH-528588
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Product Description
The SEMS Screw: External Tooth is a #6-32 thread size, 1/4 in length machine screw with an external tooth lock washer, made of steel with a zinc-plated finish, pan head, and slotted drive, supplied in a 100-piece pack (MPN MSPEI0-600250-100P). 3G Electric sources this genuine SEMS fastener across 14 industrial departments, with specialist expertise in combustion, pumps and controls ensuring accurate fulfillment for demanding applications.
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 pre-assembled washer bites into the mating surface, making it ideal for industrial assemblies in machinery, electrical panels, and HVAC equipment where reliable clamping is critical.
What are the specifications of the SEMS screw #6-32 x 1/4 in?
This SEMS screw has a #6-32 thread size, 1/4 in length, steel construction with zinc-plated finish, pan head, and slotted drive. It includes an external tooth lock washer and comes in a 100-piece pack. The manufacturer part number is MSPEI0-600250-100P.
Where to buy SEMS screws #6-32 x 1/4 in worldwide?
3G Electric supplies genuine SEMS screws #6-32 x 1/4 in worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this fastener across 14 industrial departments.
How to select the right SEMS screw for an assembly?
To select the right SEMS screw, match thread size (#6-32), length (1/4 in), head style (pan), and drive (slotted) to your application's hole and torque requirements. The external tooth lock washer provides vibration resistance. For demanding environments, confirm material (steel, zinc-plated) suits your corrosion and strength needs.
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.









