SEMS Screw: External Tooth, M3x0.50 Thread Size, 12 mm Lg, Stainless Steel, Plain
The SEMS Screw: External Tooth (MPN MPPJAX03012-010P1) is a machine screw with an integrated external tooth lock washer, featuring an M3x0.50 thread size, 12 mm length, stainless steel construction, plain finish, pan…
SKU 3G-OTH-528614
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Product Description
The SEMS Screw: External Tooth (MPN MPPJAX03012-010P1) is a machine screw with an integrated external tooth lock washer, featuring an M3x0.50 thread size, 12 mm length, stainless steel construction, plain finish, pan head, and #1 drive size, supplied in a 10-pack.
Frequently Asked Questions
What is a SEMS screw with external tooth 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 MPPJAX03012-010P1?
This SEMS screw has an M3x0.50 thread size, 12 mm length, stainless steel construction, plain finish, pan head, and #1 drive size. It comes in a 10-pack. The integrated external tooth lock washer provides vibration resistance without a separate washer.
Where to buy SEMS screws in worldwide?
3G Electric supplies SEMS screws like the MPPJAX03012-010P1 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this stainless steel, external tooth screw pack.
How to install a SEMS screw with external tooth lock washer?
Install a SEMS screw by driving it into a pre-tapped hole or through a clearance hole into a nut. The integrated external tooth washer faces the mating surface. Use a #1 drive tool to tighten to the recommended torque for M3 stainless steel fasteners. Avoid over-torquing to prevent thread stripping.
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.









