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SEMS Screw: External Tooth, #4-40 Thread Size, 5/16 in Lg, Stainless Steel, Passivated - Machine Screws with External Tooth Lock Washers
SEMSMachine Screws with External Tooth Lock Washers

SEMS Screw: External Tooth, #4-40 Thread Size, 5/16 in Lg, Stainless Steel, Passivated

The SEMS Screw: External Tooth is a #4-40 thread size, 5/16 in length, stainless steel, passivated, pan-head machine screw with an external tooth lock washer, supplied in a 50-pack (MPN 1-PPE-4C-31). It features a #1…

SKU 3G-OTH-528640

Brand
SEMS
Item
Screw: External Tooth, #4-40 Thread Size, 5/16 in Lg, Stainless Steel, Passivated
Category
Machine Screws with External Tooth Lock Washers
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Technical Specifications

SEMS
Manufacturer Part Number
1-PPE-4C-31
Type
#4-40 Thread Size, Stainless Steel, Passivated, Pan, 50 PK
Lg
5/16 in
Drive Size
#1
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SEMS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SEMS Screw: External Tooth is a #4-40 thread size, 5/16 in length, stainless steel, passivated, pan-head machine screw with an external tooth lock washer, supplied in a 50-pack (MPN 1-PPE-4C-31). It features a #1 drive size, combining a pre-assembled fastener and washer for efficient installation.

Frequently Asked Questions

What is a SEMS screw with external tooth lock washer used for?

A SEMS screw with an external tooth lock washer is used to fasten components while resisting loosening from vibration. The pre-assembled washer provides a locking action, making it ideal for applications in machinery, electrical panels, and industrial equipment where secure, reliable fastening is required.

What are the specifications of the SEMS screw #4-40 x 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. It includes an external tooth lock washer and a #1 drive size. The 50-pack (MPN 1-PPE-4C-31) combines fastener and washer for efficient installation.

Where to buy SEMS screws with external tooth lock washer worldwide?

3G Electric supplies SEMS screws with external tooth lock washer to worldwide customers. As a global industrial solutions provider, we handle full logistics and customs clearance for delivery. Contact us to source this #4-40 x 5/16 in stainless steel, passivated, pan-head screw in a 50-pack.

How to install a SEMS screw with external tooth lock washer?

Install a SEMS screw by driving it into a pre-tapped hole or with a nut using a #1 drive tool. The pre-assembled external tooth washer bites into the mating surface to prevent loosening. Apply torque per standard fastener guidelines for stainless steel to avoid galling, ensuring a secure, vibration-resistant joint.

SEMS Products

3G Electric supplies SEMS machine screws with external tooth lock washers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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