SEMS Screw: Internal Tooth, M3x0.50 Thread Size, 6 mm Lg, Stainless Steel, Passivated
The SEMS Screw: Internal Tooth (SKU 849C22, MPN 1-MPI-3-6) is a machine screw with an integrated internal tooth lock washer, featuring M3x0.50 thread size, 6 mm length, stainless steel construction with passivated…
SKU 3G-OTH-532095
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Product Description
The SEMS Screw: Internal Tooth (SKU 849C22, MPN 1-MPI-3-6) is a machine screw with an integrated internal tooth lock washer, featuring M3x0.50 thread size, 6 mm length, stainless steel construction with passivated finish, and a pan head. Supplied in a 25-piece pack with a #1 drive size, this OEM part is available through 3G Electric, which sources genuine industrial components across 14 departments and provides specialist support in fasteners and assembly hardware.
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 preventing loosening from vibration. The integrated washer bites into the mating surface, making it ideal for electrical grounding, panel assembly, and machinery where a secure, permanent hold 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 with passivated finish, pan head, and #1 drive size. It comes in a 25-piece pack. The manufacturer part number is 1-MPI-3-6, and the SKU is 849C22.
Where to buy SEMS screws with internal tooth lock washer worldwide?
3G Electric supplies genuine SEMS screws with internal tooth lock washers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this OEM part.
How to select the correct SEMS screw for an assembly?
Select a SEMS screw by matching thread size (M3x0.50), length (6 mm), and drive size (#1) to your application. Consider material: stainless steel with passivated finish offers corrosion resistance. The integrated internal tooth washer provides vibration resistance, ideal for electrical or mechanical assemblies.
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.









