SEMS Screw: Internal Tooth, #2-56 Thread Size, 1/4 in Lg, Stainless Steel, Passivated
The SEMS Screw: Internal Tooth is a #2-56 thread size, 1/4 in long, stainless steel, passivated, pan head machine screw with an internal tooth lock washer, supplied in a 50-pack (MPN 1-PPI-2C-25). It features a #1…
SKU 3G-OTH-532110
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Product Description
The SEMS Screw: Internal Tooth is a #2-56 thread size, 1/4 in long, stainless steel, passivated, pan head machine screw with an internal tooth lock washer, supplied in a 50-pack (MPN 1-PPI-2C-25). It features a #1 drive size.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a SEMS screw with internal tooth lock washer used for?
A SEMS screw with an internal tooth lock washer is used to fasten components in applications where vibration resistance is needed. The pre-assembled washer bites into the mating surface to prevent loosening. Common in electronics, automotive, and industrial assembly where a compact, reliable fastening solution is required.
What are the specifications of the SEMS screw #2-56 x 1/4 in?
This SEMS screw has a #2-56 thread size, 1/4 in length, stainless steel construction with passivated finish, and a pan head. It includes an internal tooth lock washer and a #1 drive size. Supplied in a 50-pack, MPN 1-PPI-2C-25. The SEMS design combines screw and washer for efficient installation.
Where to buy SEMS screws #2-56 worldwide?
3G Electric supplies SEMS screws #2-56 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 SEMS screw (MPN 1-PPI-2C-25) and other fasteners across 14 industrial departments.
How to select the right SEMS screw for an assembly?
Select a SEMS screw by matching thread size, length, head type, and material to your application. For vibration-prone assemblies, an internal tooth lock washer provides bite. Stainless steel with passivated finish offers corrosion resistance. Verify drive size (here #1) matches your tooling. 3G Electric can help source the correct SEMS fastener for your needs.
SEMS Products
3G Electric supplies SEMS machine screws with internal tooth lock washers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









