We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
AMPG Socket Head Cap Screw: #4-40 Thread Size, 1/4 in Lg, Std, Plain, Stainless Steel - Inch System Standard Socket Head Cap Screws
AMPGInch System Standard Socket Head Cap Screws

AMPG Socket Head Cap Screw: #4-40 Thread Size, 1/4 in Lg, Std, Plain, Stainless Steel

The AMPG Socket Head Cap Screw is an inch-system standard fastener with a #4-40 thread size and 1/4 in length. Made from 316 stainless steel (H5), it features a plain finish, right-hand thread direction, and a 3/32…

SKU 3G-OTH-677252

Brand
AMPG
Item
Socket Head Cap Screw: #4-40 Thread Size, 1/4 in Lg, Std, Plain, Stainless Steel
Category
Inch System Standard Socket Head 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

Technical Specifications

AMPG
Manufacturer Part Number
ZSS61604C04
Type
Std, Plain, Stainless Steel
Lg
1/4 in
H5
316
Drive Size
3/32 in
Thread Direction
Right Hand
System of Measurement
Inch
View Full Spec Sheet

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

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

Product Description

The AMPG Socket Head Cap Screw is an inch-system standard fastener with a #4-40 thread size and 1/4 in length. Made from 316 stainless steel (H5), it features a plain finish, right-hand thread direction, and a 3/32 in drive size (MPN ZSS61604C04).

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 the AMPG #4-40 socket head cap screw used for?

This AMPG inch-system socket head cap screw is used for fastening components in machinery, equipment, and assemblies where a strong, corrosion-resistant fastener is required. Its 316 stainless steel construction suits marine, chemical, and food-processing environments.

What are the specifications of the AMPG ZSS61604C04 socket head cap screw?

The AMPG ZSS61604C04 is a #4-40 thread size, 1/4 in length, right-hand thread, plain finish, 316 stainless steel (H5) socket head cap screw. It has a 3/32 in hex drive size and is an inch-system standard fastener.

Where to buy AMPG socket head cap screws worldwide?

3G Electric supplies AMPG socket head cap screws worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this #4-40, 1/4 in, 316 stainless steel fastener.

How to select the correct socket head cap screw for an application?

Select based on thread size, length, material, and drive size. For corrosion resistance, choose 316 stainless steel like this AMPG #4-40 screw. Ensure the drive size (3/32 in) matches your hex key. Confirm thread direction (right hand) and system of measurement (inch).

Used in

Common applications for AMPG
Conveyor systems — AMPG steel fixed rod ends with black oxide finish for tensioning and alignment linkages
Packaging machinery — AMPG stainless steel rod ends for washdown environments requiring corrosion resistance
Agricultural equipment — AMPG brass rod ends for non-sparking linkage in grain handling or fuel systems
Industrial valve actuators — AMPG left-hand threaded rod ends for reverse rotation actuator connections
Automation assembly lines — AMPG fixed rod ends with M5-0.8 threads for precise positioning in pick-and-place units

AMPG Products

3G Electric supplies AMPG inch system standard socket head 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 AMPG

View all AMPG parts →
Socket Head Cap Screw: 1/4"-20 Thread Size, 1/2 in Lg, Std, Plain, Stainless Steel, 18-8 (MPN ZSQ60114C08). Key specifications — System of Measurement: Inch; Thread Direction: Right Hand; Drive Size: 1/4 in.
AMPG
Socket Head Cap Screw: 1/4"-20 Thread Size, 1/2 in Lg, Std, Plain, Stainless Steel, 18-8 (MPN ZSQ60114C08). Key specifications — System of Measurement: Inch; Thread Direction: Right Hand; Drive Size: 1/4 in.
Socket Head Cap Screw: #4-40 Thread Size, 1/2 in Lg, Std, Plain, Stainless Steel, 316 H5 (MPN ZSS61604C08). Key specifications — System of Measurement: Inch; Thread Direction: Right Hand; Drive Size: 3/32 in.
AMPG
Socket Head Cap Screw: #4-40 Thread Size, 1/2 in Lg, Std, Plain, Stainless Steel, 316 H5 (MPN ZSS61604C08). Key specifications — System of Measurement: Inch; Thread Direction: Right Hand; Drive Size: 3/32 in.
Socket Head Cap Screw: #10-32 Thread Size, 1 in Lg, Std, Plain, Stainless Steel, 316 H5 (MPN ZSS61610F16). Key specifications — System of Measurement: Inch; Thread Direction: Right Hand; Drive Size: 5/32 in.
AMPG
Socket Head Cap Screw: #10-32 Thread Size, 1 in Lg, Std, Plain, Stainless Steel, 316 H5 (MPN ZSS61610F16). Key specifications — System of Measurement: Inch; Thread Direction: Right Hand; Drive Size: 5/32 in.
Socket Head Cap Screw: 3/8"-16 Thread Size, 1 1/2 in Lg, Std, Plain, Stainless Steel, 18-8 (MPN ZSQ60138C24). Key specifications — System of Measurement: Inch; Thread Direction: Right Hand; Drive Size: 3/8 in.
AMPG
Socket Head Cap Screw: 3/8"-16 Thread Size, 1 1/2 in Lg, Std, Plain, Stainless Steel, 18-8 (MPN ZSQ60138C24). Key specifications — System of Measurement: Inch; Thread Direction: Right Hand; Drive Size: 3/8 in.
Socket Head Cap Screw: 1/4"-20 Thread Size, 2 in Lg, Std, Plain, Stainless Steel, 18-8, 1/4 in Drive (MPN ZSQ60114C32). Key specifications — System of Measurement: Inch; Thread Direction: Right Hand; Drive Size: 1/4 in.
AMPG
Socket Head Cap Screw: 1/4"-20 Thread Size, 2 in Lg, Std, Plain, Stainless Steel, 18-8, 1/4 in Drive (MPN ZSQ60114C32). Key specifications — System of Measurement: Inch; Thread Direction: Right Hand; Drive Size: 1/4 in.
Socket Head Cap Screw: 3/8"-16 Thread Size, 1 3/4 in Lg, Std, Plain, Stainless Steel, 18-8 (MPN ZSQ60138C28). Key specifications — System of Measurement: Inch; Thread Direction: Right Hand; Drive Size: 3/8 in.
AMPG
Socket Head Cap Screw: 3/8"-16 Thread Size, 1 3/4 in Lg, Std, Plain, Stainless Steel, 18-8 (MPN ZSQ60138C28). Key specifications — System of Measurement: Inch; Thread Direction: Right Hand; Drive Size: 3/8 in.
Socket Head Cap Screw: 5/16"-18 Thread Size, 1 3/4 in Lg, Std, Plain, Stainless Steel, 18-8 (MPN ZSQ60151C28). Key specifications — System of Measurement: Inch; Thread Direction: Right Hand; Drive Size: 1/4 in.
AMPG
Socket Head Cap Screw: 5/16"-18 Thread Size, 1 3/4 in Lg, Std, Plain, Stainless Steel, 18-8 (MPN ZSQ60151C28). Key specifications — System of Measurement: Inch; Thread Direction: Right Hand; Drive Size: 1/4 in.
Socket Head Cap Screw: 1/4"-20 Thread Size, 1 1/4 in Lg, Std, Plain, Stainless Steel, 316 H5 (MPN ZSS61614C20). Key specifications — System of Measurement: Inch; Thread Direction: Right Hand; Drive Size: 3/16 in.
AMPG
Socket Head Cap Screw: 1/4"-20 Thread Size, 1 1/4 in Lg, Std, Plain, Stainless Steel, 316 H5 (MPN ZSS61614C20). Key specifications — System of Measurement: Inch; Thread Direction: Right Hand; Drive Size: 3/16 in.