SEMS #4-40 x 1/2 in Stainless Steel Pan Head Machine Screw with
The SEMS Screw: Flat/Split Lock is a #4-40 thread size, 1/2 in length, stainless steel, passivated, pan head machine screw with a #1 drive size, supplied in a 10-pack (MPN 1-PPX-4C-50). This product combines a flat…
SKU 3G-OTH-525201
Also listed as: 1PPX4C50 · 1 PPX 4C 50
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The SEMS Screw: Flat/Split Lock is a #4-40 thread size, 1/2 in length, stainless steel, passivated, pan head machine screw with a #1 drive size, supplied in a 10-pack (MPN 1-PPX-4C-50). This product combines a flat and split lock washer pre-assembled on the screw, simplifying installation and reducing hardware handling.
Frequently Asked Questions
What is a SEMS screw with flat and split lock washer used for?
A SEMS screw with pre-assembled flat and split lock washers is used to simplify fastening in machinery, electrical enclosures, and panel assembly. The flat washer distributes load, while the split lock washer resists vibration loosening. This #4-40 thread, 1/2 in stainless steel passivated screw is ideal for corrosion-resistant applications.
What are the specifications of the SEMS screw #4-40 1/2 in?
This SEMS screw has a #4-40 thread size, 1/2 in length, stainless steel passivated material, pan head, and #1 drive size. It comes in a 10-pack with MPN 1-PPX-4C-50. The pre-assembled flat and split lock washers reduce hardware handling during installation.
Where to buy SEMS screws with flat and split lock washers worldwide?
3G Electric supplies SEMS screws with flat and split lock washers worldwide. As a global industrial solutions provider, we handle logistics, customs, and delivery to your location. Contact us to source this #4-40 thread, 1/2 in stainless steel passivated screw (MPN 1-PPX-4C-50) for your project.
How to install a SEMS screw with pre-assembled washers?
To install a SEMS screw with pre-assembled flat and split lock washers, simply drive it into a tapped hole or with a nut using a #1 drive tool. The captive washers eliminate separate handling. Ensure the mating surface is clean and apply proper torque for the #4-40 thread size to avoid 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.
