Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

KERR LAKESIDE Socket Flat Head Screw: 5/16"-18 Thread Size, 2 1/4 in Lg, Flat, Black Oxide - Flat Head Socket Cap Screws
KERR LAKESIDEFlat Head Socket Cap Screws

KERR LAKESIDE Socket Flat Head Screw: 5/16"-18 Thread Size, 2 1/4 in Lg, Flat, Black Oxide

The KERR LAKESIDE Socket Flat Head Screw (SKU 31C225KFC, MPN 31C225KFC) is a 5/16"-18 thread size, 2 1/4 in long flat head socket cap screw. It features a black oxide finish on alloy steel, comes in a 100-pack, and…

SKU 3G-OTH-678630

Brand
KERR LAKESIDE
Item
Socket Flat Head Screw: 5/16"-18 Thread Size, 2 1/4 in Lg, Flat, Black Oxide
Category
Flat Head Socket Cap Screws
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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

KERR LAKESIDE
Manufacturer Part Number
31C225KFC
Type
Flat, Black Oxide, Alloy Steel, 100 PK
Lg
2 1/4 in
Drive Size
3/16 in
Thread Direction
Right Hand
System of Measurement
Inch

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The KERR LAKESIDE Socket Flat Head Screw (SKU 31C225KFC, MPN 31C225KFC) is a 5/16"-18 thread size, 2 1/4 in long flat head socket cap screw. It features a black oxide finish on alloy steel, comes in a 100-pack, and has a 3/16 in drive size with right-hand thread direction.

Frequently Asked Questions

What is a KERR LAKESIDE Socket Flat Head Screw used for?

A KERR LAKESIDE Socket Flat Head Screw is used to fasten components where a flush, countersunk surface is required. Common in machinery, automotive, and industrial assembly, its flat head sits level with the workpiece, reducing snagging and allowing for a clean finish.

What are the specifications of the KERR LAKESIDE 31C225KFC socket flat head screw?

The KERR LAKESIDE 31C225KFC is a 5/16\"-18 thread size, 2 1/4 in long flat head socket cap screw. It has a 3/16 in drive size, right-hand thread direction, black oxide finish on alloy steel, and comes in a 100-pack. System of measurement is inch.

Where to buy KERR LAKESIDE socket flat head screws worldwide?

3G Electric supplies KERR LAKESIDE socket flat head screws worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver to your location. Contact us to order the 31C225KFC or other sizes for your project.

How to install a KERR LAKESIDE flat head socket cap screw?

To install a KERR LAKESIDE flat head socket cap screw, drill a countersunk hole matching the head angle. Use a 3/16 in hex key to drive the screw until the head is flush with the surface. Apply appropriate torque to avoid stripping the alloy steel threads.

KERR LAKESIDE Products

3G Electric supplies KERR LAKESIDE flat head socket cap screws. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from KERR LAKESIDE

View all KERR LAKESIDE parts
Socket Flat Head Screw: 5/16"-18 Thread Size, 1 3/4 in Lg, Flat, Black Oxide, Alloy Steel, 100 PK (MPN 31C175KFC)
KERR LAKESIDE
Socket Flat Head Screw: 5/16"-18 Thread Size, 1 3/4 in Lg, Flat, Black Oxide, Alloy Steel, 100 PK (MPN 31C175KFC)
Socket Flat Head Screw: 1/4"-20 Thread Size, 3/4 in Lg, Flat, Black Oxide, Alloy Steel, 100 PK (MPN 25C75KFC)
KERR LAKESIDE
Socket Flat Head Screw: 1/4"-20 Thread Size, 3/4 in Lg, Flat, Black Oxide, Alloy Steel, 100 PK (MPN 25C75KFC)
Socket Flat Head Screw: 5/16"-18 Thread Size, 2 1/2 in Lg, Flat, Black Oxide, Alloy Steel, 100 PK (MPN 31C250KFC)
KERR LAKESIDE
Socket Flat Head Screw: 5/16"-18 Thread Size, 2 1/2 in Lg, Flat, Black Oxide, Alloy Steel, 100 PK (MPN 31C250KFC)
Socket Flat Head Screw: 3/8"-16 Thread Size, 2 1/2 in Lg, Flat, Black Oxide, Alloy Steel, 50 PK (MPN 37C250KFC)
KERR LAKESIDE
Socket Flat Head Screw: 3/8"-16 Thread Size, 2 1/2 in Lg, Flat, Black Oxide, Alloy Steel, 50 PK (MPN 37C250KFC)
Socket Flat Head Screw: #5-40 Thread Size, 1/4 in Lg, Flat, Black Oxide, Alloy Steel, 100 PK (MPN 5C25KFC)
KERR LAKESIDE
Socket Flat Head Screw: #5-40 Thread Size, 1/4 in Lg, Flat, Black Oxide, Alloy Steel, 100 PK (MPN 5C25KFC)
Socket Flat Head Screw: 5/16"-18 Thread Size, 1 1/2 in Lg, Flat, Black Oxide, Alloy Steel, 100 PK (MPN 31C150KFC)
KERR LAKESIDE
Socket Flat Head Screw: 5/16"-18 Thread Size, 1 1/2 in Lg, Flat, Black Oxide, Alloy Steel, 100 PK (MPN 31C150KFC)
Socket Flat Head Screw: 3/4"-10 Thread Size, 3 in Lg, Flat, Black Oxide, Alloy Steel, 25 PK (MPN 75C300KFC)
KERR LAKESIDE
Socket Flat Head Screw: 3/4"-10 Thread Size, 3 in Lg, Flat, Black Oxide, Alloy Steel, 25 PK (MPN 75C300KFC)
Socket Flat Head Screw: 1/4"-20 Thread Size, 1 in Lg, Flat, Black Oxide, Alloy Steel, 100 PK (MPN 25C100KFC)
KERR LAKESIDE
Socket Flat Head Screw: 1/4"-20 Thread Size, 1 in Lg, Flat, Black Oxide, Alloy Steel, 100 PK (MPN 25C100KFC)