SEMS Screw: Internal Tooth, #2-56 Thread Size, 1/8 in Lg, Stainless Steel, Passivated
The SEMS Screw: Internal Tooth (SKU 849AX2, MPN 1-PPI-2C-18) is a #2-56 thread size, 1/8 in long, stainless steel, passivated, pan-head machine screw with an internal tooth lock washer, supplied in a 50-pack. It…
SKU 3G-OTH-532109
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Product Description
The SEMS Screw: Internal Tooth (SKU 849AX2, MPN 1-PPI-2C-18) is a #2-56 thread size, 1/8 in long, stainless steel, passivated, pan-head machine screw with an internal tooth lock washer, supplied in a 50-pack. It features a #1 drive size.
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 in machinery, electrical enclosures, and industrial assemblies. The pre-assembled washer prevents loosening from vibration, making it ideal for applications requiring reliable, permanent fastening in metal or plastic parts.
What are the specifications of the SEMS screw #2-56 thread size?
This SEMS screw has a #2-56 thread size, 1/8 in length, stainless steel construction with passivated finish, pan head, and #1 drive size. It includes an internal tooth lock washer and comes in a 50-pack. The manufacturer part number is 1-PPI-2C-18.
Where to buy SEMS screws with internal tooth lock washers worldwide?
3G Electric supplies SEMS screws with internal tooth lock washers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine fasteners like this #2-56 stainless steel screw to your facility, regardless of location.
How to select the correct SEMS screw for an assembly?
To select the correct SEMS screw, match thread size (e.g., #2-56), length (1/8 in), head type (pan), and drive size (#1) to your application. Consider material compatibility—stainless steel with passivation resists corrosion. The pre-assembled lock washer suits vibration-prone environments.
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.









