SEMS #4-40 x 1/8 in Stainless Steel Pan Head Machine Screw with
The SEMS Screw: Flat/Split Lock is a #4-40 thread size, 1/8 in long, stainless steel, passivated, pan head machine screw with a #1 drive size, supplied in a 10-pack (MPN 1-PPX-4C-18). This pre-assembled fastener…
SKU 3G-OTH-525180
Also listed as: 1PPX4C18 · 1 PPX 4C 18
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The SEMS Screw: Flat/Split Lock is a #4-40 thread size, 1/8 in long, stainless steel, passivated, pan head machine screw with a #1 drive size, supplied in a 10-pack (MPN 1-PPX-4C-18). This pre-assembled fastener combines a flat and split lock washer for efficient installation.
Frequently Asked Questions
What is a SEMS screw with flat and split lock washer used for?
A SEMS screw with flat and split lock washer is used in industrial assembly to fasten components while preventing loosening from vibration. The pre-assembled washer stack saves installation time. Common applications include electrical enclosures, machinery panels, and instrumentation where a secure, corrosion-resistant stainless steel fastener is required.
What are the specifications of the SEMS screw #4-40 x 1/8 in?
This SEMS screw has a #4-40 thread size, 1/8 in length, stainless steel passivated finish, pan head, and #1 drive size. It includes a flat and split lock washer pre-assembled. The manufacturer part number is 1-PPX-4C-18, and it is supplied in a 10-pack.
Where to buy SEMS screws #4-40 x 1/8 in worldwide?
3G Electric supplies SEMS screws #4-40 x 1/8 in worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this SEMS screw part number 1-PPX-4C-18.
How to install a SEMS screw with flat and split lock washer?
Install a SEMS screw by driving it into a pre-tapped hole or with a nut using a #1 drive size tool. The pre-assembled flat washer distributes load, while the split lock washer resists loosening from vibration. Tighten to the torque specified for #4-40 stainless steel fasteners; avoid over-torquing to prevent thread stripping.
SEMS Products
3G Electric supplies SEMS machine screws with flat & split lock washers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.