SEMS Screw: Internal Tooth, M5x0.80 Thread Size, 20 mm Lg, Stainless Steel, Passivated
The SEMS Screw: Internal Tooth (MPN 1-MPI-5-20) is a machine screw with an integrated internal tooth lock washer, featuring an M5x0.80 thread size, 20 mm length, stainless steel construction with passivated finish…
SKU 3G-OTH-532129
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Product Description
The SEMS Screw: Internal Tooth (MPN 1-MPI-5-20) is a machine screw with an integrated internal tooth lock washer, featuring an M5x0.80 thread size, 20 mm length, stainless steel construction with passivated finish, pan head, #2 drive size, and supplied in a 10-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 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 1-MPI-5-20?
The SEMS Screw 1-MPI-5-20 has an M5x0.80 thread size, 20 mm length, stainless steel construction with passivated finish, pan head, and #2 drive size. It comes in a 10-pack. The integrated internal tooth lock washer provides vibration resistance without needing a separate washer.
Where to buy SEMS Screw 1-MPI-5-20 worldwide?
3G Electric supplies the SEMS Screw 1-MPI-5-20 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this SEMS brand fastener.
How to select the correct SEMS screw for an assembly?
To select the correct SEMS screw, match thread size (M5x0.80), length (20 mm), and head type (pan) to your application. The integrated internal tooth lock washer eliminates the need for a separate washer. Ensure drive size (#2) fits your tooling. Stainless steel with passivated finish offers corrosion resistance.
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.









