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SEMS #4-40 x 5/16 in Stainless Steel Pan Head Machine Screw with - Machine Screws with Split Lock Washers
SEMSMachine Screws with Split Lock Washers

SEMS #4-40 x 5/16 in Stainless Steel Pan Head Machine Screw with

The SEMS Screw: Split Lock (MPN 1-PPL-4C-31) is a #4-40 thread size, 5/16 in long, stainless steel, passivated, pan-head machine screw with a split lock washer, supplied in a 25-pack. It features a #1 drive size…

SKU 3G-OTH-533951

Also listed as: 1PPL4C31 · 1 PPL 4C 31

Brand
SEMS
Item
#4-40 x 5/16 in Stainless Steel Pan Head Machine Screw with
Part Number
1-PPL-4C-31
Category
Machine Screws with Split Lock Washers
Available to Order
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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

Technical Specifications

SEMS
Manufacturer Part Number
1-PPL-4C-31
Type
#4-40 Thread Size, Stainless Steel, Passivated, Pan, 25 PK
Lg
5/16 in
Drive Size
#1

Technical Documents

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SEMS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SEMS Screw: Split Lock (MPN 1-PPL-4C-31) is a #4-40 thread size, 5/16 in long, stainless steel, passivated, pan-head machine screw with a split lock washer, supplied in a 25-pack. It features a #1 drive size, combining fastener and washer into a single unit for streamlined assembly.

Frequently Asked Questions

What is a SEMS screw with split lock washer used for?

A SEMS screw with a split lock washer is used to fasten components while preventing loosening from vibration. The pre-assembled washer saves assembly time. Common in electronics, automotive, and machinery where a reliable, compact fastener is needed.

What are the specifications of the SEMS screw 1-PPL-4C-31?

The SEMS screw 1-PPL-4C-31 has a #4-40 thread size, 5/16 in length, stainless steel, passivated finish, pan head, and #1 drive size. It includes a split lock washer and comes in a 25-pack. These specs ensure corrosion resistance and secure fastening.

Where to buy SEMS screws in worldwide?

3G Electric supplies SEMS screws worldwide, handling logistics, customs, and delivery. As a global industrial solutions provider, we source genuine fasteners like the 1-PPL-4C-31. Contact us for availability and lead time to your location.

How to install a SEMS screw with split lock washer?

To install a SEMS screw, use a #1 drive tool (e.g., Phillips or slotted) to drive the screw into a pre-tapped hole or nut. The split lock washer compresses under the head, creating tension that resists loosening. Avoid over-torquing to prevent damage.

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SEMS Products

3G Electric supplies SEMS machine screws with split 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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