SEMS Screw: External Tooth, #4-40 Thread Size, 1 in Lg, Stainless Steel, Passivated
The SEMS Screw: External Tooth is a #4-40 thread size, 1-inch long, stainless steel, passivated, pan-head machine screw with an external tooth lock washer, supplied in a 25-piece pack (MPN 1-PPE-4C-100). It features…
SKU 3G-OTH-528641
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Product Description
The SEMS Screw: External Tooth is a #4-40 thread size, 1-inch long, stainless steel, passivated, pan-head machine screw with an external tooth lock washer, supplied in a 25-piece pack (MPN 1-PPE-4C-100). It features a #1 drive size, combining a fastener and integrated washer for efficient assembly.
Frequently Asked Questions
What is a SEMS screw with external tooth used for?
A SEMS screw with an external tooth lock washer is used in industrial assembly to fasten components while resisting loosening from vibration. The integrated washer eliminates separate handling, making it ideal for electrical enclosures, panel building, and machinery where a secure, corrosion-resistant stainless steel fastener is required.
What are the specifications of the SEMS screw #4-40 x 1 inch?
This SEMS screw has a #4-40 thread size, 1 inch length, stainless steel construction with passivated finish, and a pan head. It includes an external tooth lock washer and a #1 drive size. The pack contains 25 pieces, with manufacturer part number 1-PPE-4C-100.
Where to buy SEMS screws with external tooth lock washer worldwide?
3G Electric supplies SEMS screws with external tooth lock washers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine fasteners like this #4-40 x 1 inch stainless steel passivated pan-head screw to any international destination.
How to select the correct SEMS screw for an application?
To select the correct SEMS screw, match thread size (e.g., #4-40), length, head style (pan), and material (stainless steel) to your assembly requirements. The integrated external tooth lock washer provides vibration resistance. Verify drive size (#1) and finish (passivated) for corrosion protection in your environment.
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.
