SEMS Screw: Internal Tooth, #6-32 Thread Size, 1 1/4 in Lg, Steel, Zinc-Plated
The SEMS Screw: Internal Tooth is a #6-32 thread size, 1 1/4 in long machine screw with an internal tooth lock washer, made of steel with zinc plating and a pan Phillips head. Supplied in a 50-pack with a #2 drive…
SKU 3G-OTH-532077
Need installation or engineering help?
Ask a question
Product Description
The SEMS Screw: Internal Tooth is a #6-32 thread size, 1 1/4 in long machine screw with an internal tooth lock washer, made of steel with zinc plating and a pan Phillips head. Supplied in a 50-pack with a #2 drive size (MPN MPPII0-601250-050P), this OEM fastener is available through 3G Electric across 14 industrial departments, with specialist depth in fastening and assembly solutions.
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 industrial assembly, machinery, and electrical enclosures where a secure, permanent fastening is required.
What are the specifications of the SEMS screw #6-32 x 1 1/4 in?
This SEMS screw has a #6-32 thread size, 1 1/4 in length, steel construction with zinc plating, a pan Phillips head, and a #2 drive size. It includes an internal tooth lock washer and comes in a 50-pack (MPN MPPII0-601250-050P).
Where to buy SEMS screws #6-32 worldwide?
3G Electric supplies SEMS screws #6-32 worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OEM fasteners like this SEMS screw (MPN MPPII0-601250-050P) and deliver to any international destination.
How to select the correct SEMS screw for an application?
Select a SEMS screw by matching thread size, length, head type, and drive size to your assembly requirements. For vibration-prone applications, the internal tooth lock washer provides added retention. Ensure the material and plating (e.g., steel, zinc-plated) are compatible with the environment to prevent corrosion.
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.









