SEMS Screw: External Tooth, M3x0.50 Thread Size, 6 mm Lg, Stainless Steel, Plain
The SEMS Screw: External Tooth (SKU 6GU54) is a machine screw with an integrated external tooth lock washer, featuring an M3x0.50 thread size, 6 mm length, stainless steel construction, plain finish, pan head, and #1…
SKU 3G-OTH-528610
Need installation or engineering help?
Ask a question
Product Description
The SEMS Screw: External Tooth (SKU 6GU54) is a machine screw with an integrated external tooth lock washer, featuring an M3x0.50 thread size, 6 mm length, stainless steel construction, plain finish, pan head, and #1 drive size, supplied in a 25-piece pack (MPN MPPJAX03006-025P1).
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 integrated washer bites into the mating surface, making it ideal for industrial assemblies in machinery, electrical panels, and automotive applications where a secure, permanent joint is required.
What are the specifications of the SEMS screw M3x0.50 6 mm?
This SEMS screw has an M3x0.50 thread size, 6 mm length, stainless steel construction, plain finish, pan head, and #1 drive size. It comes in a 25-piece pack (MPN MPPJAX03006-025P1). The integrated external tooth lock washer prevents loosening under vibration.
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 this M3x0.50 stainless steel screw with external tooth lock washer. Contact us for pricing and delivery to your location.
How to install a SEMS screw with external tooth lock washer?
Install a SEMS screw by driving it into a pre-tapped hole or nut using a #1 drive tool. The integrated external tooth washer embeds into the surface as you tighten, providing vibration resistance. Avoid over-torquing to prevent stripping the stainless steel threads. Use standard torque values for M3 fasteners.
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.









