SEMS Screw: Internal Tooth, #2-56 Thread Size, 3/16 in Lg, Steel, Zinc-Plated
The SEMS Screw: Internal Tooth is a #2-56 thread size, 3/16 in long, steel, zinc-plated, pan, Phillips machine screw with an internal tooth lock washer, supplied in a 50-piece pack (MPN MPPII0-200180-050P). It…
SKU 3G-OTH-532056
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Product Description
The SEMS Screw: Internal Tooth is a #2-56 thread size, 3/16 in long, steel, zinc-plated, pan, Phillips machine screw with an internal tooth lock washer, supplied in a 50-piece pack (MPN MPPII0-200180-050P). It features a #1 drive size. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments—and far more—with specialist depth in combustion, pumps and controls as an authorised distributor.
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 while resisting loosening from vibration. The pre-assembled washer bites into the mating surface, making it ideal for electrical panels, machinery enclosures, and automotive assemblies where a secure, permanent hold is required.
What are the specifications of the SEMS screw #2-56 x 3/16 in?
This SEMS screw has a #2-56 thread size, 3/16 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 MPPII0-200180-050P).
Where to buy SEMS screws #2-56 worldwide?
3G Electric supplies SEMS screws #2-56 worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine fasteners like this SEMS screw with internal tooth lock washer and deliver to your facility, regardless of location.
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 washer is pre-assembled under the head; tighten to the recommended torque for #2-56 steel fasteners. Avoid over-torquing to prevent washer deformation or thread stripping.
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.









