SEMS Screw: Flat/Split Lock, #4-40 Thread Size, 5/16 in Lg, Stainless Steel
The SEMS Screw: Flat/Split Lock is a #4-40 thread size, 5/16 in long, stainless steel, passivated, pan head machine screw with a #1 drive size, supplied in a 10-pack (MPN 1-PPX-4C-31). This pre-assembled fastener…
SKU 3G-OTH-525199
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Product Description
The SEMS Screw: Flat/Split Lock is a #4-40 thread size, 5/16 in long, stainless steel, passivated, pan head machine screw with a #1 drive size, supplied in a 10-pack (MPN 1-PPX-4C-31). This pre-assembled fastener combines a flat and split lock washer for convenience in assembly applications.
Frequently Asked Questions
What is a SEMS screw with flat and split lock washer used for?
A SEMS screw with a flat and split lock washer is used in assembly applications where a pre-assembled fastener saves time. The flat washer distributes load, and the split lock washer resists loosening from vibration. This #4-40 thread, 5/16 in long, stainless steel, passivated pan head screw is common in electronics and light machinery.
What are the specifications of the SEMS screw #4-40 5/16 in?
This SEMS screw has a #4-40 thread size, 5/16 in length, stainless steel construction with passivated finish, and a pan head. Drive size is #1. It includes a pre-assembled flat and split lock washer. Supplied in a 10-pack, MPN 1-PPX-4C-31. The SEMS brand ensures consistent quality for industrial fastening.
Where to buy SEMS screws #4-40 with flat and split lock washer worldwide?
3G Electric supplies SEMS screws #4-40 with flat and split lock washer worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance for international delivery. Contact us to source this 10-pack (MPN 1-PPX-4C-31) or other fastener needs across 14 industrial departments.
How to select the correct SEMS screw for an assembly?
To select the correct SEMS screw, match thread size (e.g., #4-40), length (5/16 in), head type (pan), and drive size (#1) to your application. Consider material: stainless steel with passivation offers corrosion resistance. Pre-assembled washers simplify installation. For custom requirements, 3G Electric can source from brands like SEMS, SKF, or Festo.
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.
