SEMS Screw: Internal Tooth, #2-56 Thread Size, 3/8 in Lg, Steel, Zinc-Plated
The SEMS Screw: Internal Tooth is a #2-56 thread size, 3/8 in length, steel, zinc-plated, pan, Phillips machine screw with an internal tooth lock washer, supplied in a 50-piece pack (MPN MPPII0-200370-050P). It…
SKU 3G-OTH-532058
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Product Description
The SEMS Screw: Internal Tooth is a #2-56 thread size, 3/8 in length, steel, zinc-plated, pan, Phillips machine screw with an internal tooth lock washer, supplied in a 50-piece pack (MPN MPPII0-200370-050P). It features a #1 drive size and is designed for applications requiring a pre-assembled fastener that resists loosening under vibration.
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 in applications where vibration could loosen a standard fastener. The pre-assembled washer bites into the mating surface to resist loosening, making it ideal for machinery, panels, and electrical enclosures. 3G Electric supplies this #2-56 thread size, 3/8 in long, zinc-plated steel screw in a 50-piece pack.
What are the specifications of the SEMS screw #2-56 x 3/8 in?
This SEMS screw has a #2-56 thread size, 3/8 in length, steel construction with zinc plating, a pan Phillips head, and a #1 drive size. It includes an internal tooth lock washer and comes in a 50-piece pack (MPN MPPII0-200370-050P). 3G Electric sources this genuine SEMS fastener for industrial maintenance and assembly.
Where to buy SEMS screws with internal tooth lock washers worldwide?
3G Electric supplies SEMS screws with internal tooth lock washers worldwide. As a global industrial solutions provider, we handle logistics, customs, and delivery to your facility. We source genuine SEMS fasteners like this #2-56 x 3/8 in zinc-plated steel screw in 50-piece packs. Contact us for availability and lead time.
How to install a SEMS screw with internal tooth lock washer?
Install a SEMS screw by driving it with a #1 Phillips bit into a pre-tapped or threaded hole. The internal tooth lock washer is pre-assembled under the pan head; as you tighten, the teeth bite into the mating surface to resist loosening from vibration. Use standard torque values for #2-56 steel fasteners. 3G Electric supplies this fastener for reliable assembly.
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.









