SEMS Screw: Internal Tooth, M2.5x0.45 Thread Size, 5 mm Lg, Stainless Steel
The SEMS Screw: Internal Tooth (SKU 849C18) is a machine screw with an internal tooth lock washer, featuring an M2.5x0.45 thread size, 5 mm length, stainless steel construction with passivated finish, pan head, and…
SKU 3G-OTH-532121
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Product Description
The SEMS Screw: Internal Tooth (SKU 849C18) is a machine screw with an internal tooth lock washer, featuring an M2.5x0.45 thread size, 5 mm length, stainless steel construction with passivated finish, pan head, and #1 drive size, supplied in a 25-piece pack (MPN 1-MPI-2.5-5).
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 M2.5x0.45?
This SEMS screw has an M2.5x0.45 thread size, 5 mm length, stainless steel construction with passivated finish, pan head, and #1 drive size. It comes in a 25-piece pack (MPN 1-MPI-2.5-5). The internal tooth lock washer is pre-assembled for vibration resistance.
Where to buy SEMS screws in worldwide?
3G Electric supplies SEMS screws worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine fasteners like the SEMS M2.5x0.45 (SKU 849C18) and deliver to any international destination. Contact us for pricing and lead time.
How to select the correct SEMS screw size?
To select the correct SEMS screw, match the thread size (e.g., M2.5x0.45) to your nut or tapped hole, ensure the length (5 mm) provides adequate thread engagement without bottoming out, and choose the head style (pan) and drive size (#1) for your tooling. The internal tooth washer suits softer materials.
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.
