SEMS Screw: Internal Tooth, M3x0.50 Thread Size, 4 mm Lg, Stainless Steel, Passivated
The SEMS Screw: Internal Tooth (SKU 849C21, MPN 1-MPI-3-4) is a machine screw with an integrated internal tooth lock washer, featuring an M3x0.50 thread size, 4 mm length, stainless steel construction with passivated…
SKU 3G-OTH-532139
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Product Description
The SEMS Screw: Internal Tooth (SKU 849C21, MPN 1-MPI-3-4) is a machine screw with an integrated internal tooth lock washer, featuring an M3x0.50 thread size, 4 mm length, stainless steel construction with passivated finish, pan head, #1 drive size, and supplied in a 25-piece 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 electrical grounding, panel assembly, and general industrial fastening applications where a secure, permanent hold is required.
What are the specifications of the SEMS screw M3x0.50 4 mm?
This SEMS screw has an M3x0.50 thread size, 4 mm length, stainless steel construction with a passivated finish, pan head, and #1 drive size. It comes in a 25-piece pack. The integrated internal tooth lock washer provides vibration resistance. The manufacturer part number is 1-MPI-3-4.
Where to buy SEMS screws with internal tooth lock washer worldwide?
3G Electric supplies SEMS screws with internal tooth lock washers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this SEMS screw (SKU 849C21) or other fasteners from brands like SEMS for your procurement needs.
How to install a SEMS screw with internal tooth lock washer?
To install a SEMS screw with an internal tooth lock washer, drive it into a tapped hole or nut using a #1 drive tool. The integrated washer will compress and its teeth will bite into the surface, preventing loosening. Avoid over-torquing, as this can damage the teeth or strip the threads. Use standard torque values for M3 stainless steel 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.
