SEMS Screw: External Tooth, M2.5x0.45 Thread Size, 10 mm Lg, Stainless Steel
The SEMS Screw: External Tooth (SKU 849AP6, MPN 1-MPE-2.5-10) is a machine screw with an external tooth lock washer, featuring M2.5x0.45 thread size, 10 mm length, stainless steel construction with passivated finish…
SKU 3G-OTH-528668
Need installation or engineering help?
Ask a question
Product Description
The SEMS Screw: External Tooth (SKU 849AP6, MPN 1-MPE-2.5-10) is a machine screw with an external tooth lock washer, featuring M2.5x0.45 thread size, 10 mm length, stainless steel construction with passivated finish, pan head, and #1 drive size, supplied in a 25-piece pack.
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 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 machinery, electrical enclosures, and panel assembly where a secure, permanent hold is required.
What are the specifications of the SEMS screw M2.5x0.45 10 mm?
This SEMS screw has an M2.5x0.45 thread size, 10 mm length, stainless steel construction with passivated finish, pan head, and #1 drive size. It comes in a 25-piece pack. The external tooth lock washer is pre-assembled to prevent loosening under vibration.
Where to buy SEMS screws in worldwide?
3G Electric supplies SEMS screws worldwide, handling logistics, customs, and delivery to your site. As a global industrial solutions provider, we source genuine fasteners like the SEMS M2.5x0.45 10 mm (MPN 1-MPE-2.5-10) and deliver them to any international destination.
How to select the right SEMS screw size for an application?
To select the right SEMS screw, match the thread size (e.g., M2.5x0.45) and length (10 mm) to the material thickness and thread engagement. Consider the drive size (#1) for tool compatibility. The external tooth washer is best for soft or uneven surfaces where vibration resistance is critical.
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.









