We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

HOLO-KROME Socket Head Cap Screw: 1/2"-20 Thread Size, 4 1/2 in Lg, Std, Black Oxide - Inch System Standard Socket Head Cap Screws
HOLO-KROMEInch System Standard Socket Head Cap Screws

HOLO-KROME Socket Head Cap Screw: 1/2"-20 Thread Size, 4 1/2 in Lg, Std, Black Oxide

The HOLO-KROME Socket Head Cap Screw (MPN 77544) is an inch-system standard fastener with a 1/2"-20 thread size, 4 1/2" length, and 3/8" drive size, made from black oxide alloy steel in a 25-piece pack. 3G Electric…

SKU 3G-OTH-677161

Brand
HOLO-KROME
Item
Socket Head Cap Screw: 1/2"-20 Thread Size, 4 1/2 in Lg, Std, Black Oxide
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

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

HOLO-KROME
Manufacturer Part Number
77544
Type
Std, Black Oxide, Alloy Steel, 25 PK
Lg
4 1/2 in
Drive Size
3/8 in
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

HOLO-KROME Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HOLO-KROME Socket Head Cap Screw (MPN 77544) is an inch-system standard fastener with a 1/2"-20 thread size, 4 1/2" length, and 3/8" drive size, made from black oxide alloy steel in a 25-piece pack. 3G Electric sources this genuine industrial fastener across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.

Frequently Asked Questions

What is the HOLO-KROME 77544 socket head cap screw used for?

The HOLO-KROME 77544 socket head cap screw is used for fastening components in industrial machinery, tooling, and equipment where high tensile strength and corrosion resistance are needed. Its black oxide alloy steel construction suits applications in machining, power transmission, and material handling across 14 departments.

What are the specifications of the HOLO-KROME 77544 socket head cap screw?

The HOLO-KROME 77544 is an inch-system standard socket head cap screw with 1/2"-20 thread size, 4 1/2" length, 3/8" drive size, and black oxide alloy steel finish. It comes in a 25-piece pack. 3G Electric sources this genuine fastener for industrial applications.

Where to buy HOLO-KROME 77544 socket head cap screws worldwide?

3G Electric supplies the HOLO-KROME 77544 socket head cap screw worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine fasteners across 14 departments, with specialist expertise in combustion, pumps, and controls to ensure accurate delivery.

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

To select the correct HOLO-KROME socket head cap screw, match thread size (1/2"-20), length (4 1/2"), drive size (3/8"), and material (alloy steel with black oxide) to your assembly's load and environmental requirements. 3G Electric's specialists can guide you across 14 industrial departments for proper fastener selection.

HOLO-KROME Products

3G Electric supplies HOLO-KROME 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 HOLO-KROME

View all HOLO-KROME parts
Socket Head Cap Screw: 1"-8 Thread Size, 3 3/4 in Lg, Std, Black Oxide, Alloy Steel, 10 PK (MPN 720003810)
HOLO-KROME
Socket Head Cap Screw: 1"-8 Thread Size, 3 3/4 in Lg, Std, Black Oxide, Alloy Steel, 10 PK (MPN 720003810)
Socket Head Cap Screw: 1"-8 Thread Size, 9 in Lg, Std, Black Oxide, Alloy Steel, Class 12.9, 10 PK (MPN 720003964)
HOLO-KROME
Socket Head Cap Screw: 1"-8 Thread Size, 9 in Lg, Std, Black Oxide, Alloy Steel, Class 12.9, 10 PK (MPN 720003964)
Socket Head Cap Screw: 1"-8 Thread Size, 8 in Lg, Std, Black Oxide, Alloy Steel, Class 12.9, 10 PK (MPN 72396)
HOLO-KROME
Socket Head Cap Screw: 1"-8 Thread Size, 8 in Lg, Std, Black Oxide, Alloy Steel, Class 12.9, 10 PK (MPN 72396)
Socket Head Cap Screw: 1"-8 Thread Size, 5 in Lg, Std, Black Oxide, Alloy Steel, Class 12.9, 10 PK (MPN 72386)
HOLO-KROME
Socket Head Cap Screw: 1"-8 Thread Size, 5 in Lg, Std, Black Oxide, Alloy Steel, Class 12.9, 10 PK (MPN 72386)
Socket Head Cap Screw: 1"-8 Thread Size, 1 1/2 in Lg, Std, Black Oxide, Alloy Steel, 10 PK (MPN 720003677)
HOLO-KROME
Socket Head Cap Screw: 1"-8 Thread Size, 1 1/2 in Lg, Std, Black Oxide, Alloy Steel, 10 PK (MPN 720003677)
Socket Head Cap Screw: 1"-8 Thread Size, 14 in Lg, Std, Black Oxide, Alloy Steel, Class 12.9, 10 PK (MPN 720003987)
HOLO-KROME
Socket Head Cap Screw: 1"-8 Thread Size, 14 in Lg, Std, Black Oxide, Alloy Steel, Class 12.9, 10 PK (MPN 720003987)
Socket Head Cap Screw: 1"-8 Thread Size, 2 in Lg, Std, Black Oxide, Alloy Steel, Class 12.9, 10 PK (MPN 72368)
HOLO-KROME
Socket Head Cap Screw: 1"-8 Thread Size, 2 in Lg, Std, Black Oxide, Alloy Steel, Class 12.9, 10 PK (MPN 72368)
Socket Head Cap Screw: 1"-8 Thread Size, 4 in Lg, Std, Black Oxide, Alloy Steel, Class 12.9, 10 PK (MPN 72382)
HOLO-KROME
Socket Head Cap Screw: 1"-8 Thread Size, 4 in Lg, Std, Black Oxide, Alloy Steel, Class 12.9, 10 PK (MPN 72382)