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SEMS Screw: Flat/Split Lock, #4-40 Thread Size, 5/16 in Lg, Stainless Steel - Machine Screws with Flat & Split Lock Washers
SEMSMachine Screws with Flat & Split Lock Washers

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

Also listed as: 1PPX4C31 · 1 PPX 4C 31

Brand
SEMS
Item
Screw: Flat/Split Lock, #4-40 Thread Size, 5/16 in Lg, Stainless Steel
Category
Machine Screws with Flat & Split Lock Washers
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

SEMS
Manufacturer Part Number
1-PPX-4C-31
Type
#4-40 Thread Size, Stainless Steel, Passivated, Pan, 10 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: 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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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.

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