SEMS Screw: Internal Tooth, M3x0.50 Thread Size, 12 mm Lg, Stainless Steel, Plain
The SEMS Screw: Internal Tooth (SKU 6GU49) is a machine screw with an integrated internal tooth lock washer, featuring an M3x0.50 thread size, 12 mm length, stainless steel construction, plain finish, pan head, and…
SKU 3G-OTH-532101
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Product Description
The SEMS Screw: Internal Tooth (SKU 6GU49) is a machine screw with an integrated internal tooth lock washer, featuring an M3x0.50 thread size, 12 mm length, stainless steel construction, plain finish, pan head, and #2 drive size, supplied in a 10-pack (MPN MPPJIX03012-010P1).
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 integrated washer bites into the mating surface, making it ideal for industrial assemblies in machinery, electrical panels, and automotive applications where a secure, permanent hold is required.
What are the specifications of the SEMS screw M3x0.50 12 mm?
This SEMS screw has an M3x0.50 thread size, 12 mm length, stainless steel construction, plain finish, pan head, and #2 drive size. It comes in a 10-pack with manufacturer part number MPPJIX03012-010P1. The integrated internal tooth lock washer provides vibration resistance without a separate washer.
Where to buy SEMS screws with internal tooth lock washer worldwide?
3G Electric supplies SEMS screws with internal tooth lock washer worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this M3x0.50, 12 mm stainless steel screw pack to your facility. Contact us for a quote and delivery timeline to your location.
How to install a SEMS screw with internal tooth lock washer?
Install a SEMS screw by driving it with a #2 size driver into a pre-tapped M3x0.50 hole or with a matching nut. The integrated internal tooth washer embeds into the surface as you tighten, creating a locking action. 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 internal tooth lock washers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









