SEMS Screw: Internal Tooth, #4-40 Thread Size, 1 in Lg, Stainless Steel, Passivated
The SEMS Screw: Internal Tooth (SKU 849AY7, MPN 1-PPI-4C-100) is a #4-40 thread size, 1-inch-long, stainless steel, passivated, pan-head machine screw with an internal tooth lock washer, supplied in a 25-piece pack…
SKU 3G-OTH-532148
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Product Description
The SEMS Screw: Internal Tooth (SKU 849AY7, MPN 1-PPI-4C-100) is a #4-40 thread size, 1-inch-long, stainless steel, passivated, pan-head machine screw with an internal tooth lock washer, supplied in a 25-piece pack. It features a #1 drive size. 3G Electric sources this genuine SEMS fastener across 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.
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 in machinery, electrical panels, and industrial equipment. The pre-assembled washer prevents loosening from vibration, making it ideal for applications in combustion systems, pumps, and controls where reliable fastening is critical.
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 with #1 drive size. It includes an internal tooth lock washer and comes in a 25-piece pack. The manufacturer part number is 1-PPI-4C-100.
Where to buy SEMS screws in worldwide?
3G Electric supplies genuine SEMS screws worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source this fastener across 14 departments, including specialist expertise in combustion, pumps, and controls to ensure accurate delivery to your location.
How to select the correct SEMS screw for an application?
To select the correct SEMS screw, match thread size, length, material, and head type to your assembly requirements. For vibration-prone environments, choose internal tooth lock washers. 3G Electric's specialists can help interpret your needs and source the right SEMS fastener, including this #4-40 stainless steel option.
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.
