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

3G Electric
RFQ CartGet a QuoteSign inSign up
HOLO-KROME Socket Head Cap Screw - Inch System Standard Socket Head Cap Screws
HOLO-KROMEInch System Standard Socket Head Cap Screws

HOLO-KROME Socket Head Cap Screw

The HOLO-KROME Socket Head Cap Screw (MPN 78104) is an inch-system standard fastener with a 3/8"-16 thread size and 1 3/4" length. This plain stainless steel 302HQ screw features a 5/16" drive size and is supplied in…

SKU 3G-OTH-677119

Brand
HOLO-KROME
Item
Socket Head Cap Screw
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 — 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

HOLO-KROME
Manufacturer Part Number
78104
Type
Std, Plain, Stainless Steel, 302HQ, 50 PK
Lg
1 3/4 in
Drive Size
5/16 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 78104) is an inch-system standard fastener with a 3/8"-16 thread size and 1 3/4" length. This plain stainless steel 302HQ screw features a 5/16" drive size and is supplied in a 50-piece pack.

Frequently Asked Questions

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

HOLO-KROME socket head cap screws are used for fastening components in machinery, equipment assembly, and structural applications where high-strength, corrosion-resistant stainless steel fasteners are required. The 3/8"-16 thread and 1 3/4" length suit medium-duty clamping in industrial settings.

What are the specifications of the HOLO-KROME 78104 socket head cap screw?

The HOLO-KROME 78104 is an inch-system standard socket head cap screw with 3/8"-16 thread size, 1 3/4" length, 5/16" drive size, and plain finish. It is made of stainless steel 302HQ and comes in a 50-piece pack. These specs ensure compatibility with standard inch fastening tools.

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

3G Electric supplies HOLO-KROME socket head cap screws worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the 78104 50-pack or other sizes.

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

Select based on thread size, length, material, and drive size. For the HOLO-KROME 78104, the 3/8"-16 thread and 1 3/4" length suit medium-duty clamping. Stainless steel 302HQ offers corrosion resistance. Ensure the 5/16" drive matches your hex key. 3G Electric can help match specs to your application.

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 →
This inch-system socket head cap screw features a 5/8"-11 thread size and 3 1/4" length, with a 1/2" drive size. Made from alloy steel with a black oxide finish, it is suited for fastening in machinery, tooling, and industrial assemblies where a flush-mount, high-strength fastener is required. Supplied in a 25-pack
HOLO-KROME
This inch-system socket head cap screw features a 5/8"-11 thread size and 3 1/4" length, with a 1/2" drive size. Made from alloy steel with a black oxide finish, it is suited for fastening in machinery, tooling, and industrial assemblies where a flush-mount, high-strength fastener is required. Supplied in a 25-pack
This inch-system socket head cap screw features a 1/4"-20 thread, 1-inch length, and 3/16-inch hex drive. Made from plain stainless steel 302HQ, it is supplied in a 100-piece pack. Commonly used for fastening components in machinery, equipment, and structural assemblies where a flush-mount, high-strength fastener is required
HOLO-KROME
This inch-system socket head cap screw features a 1/4"-20 thread, 1-inch length, and 3/16-inch hex drive. Made from plain stainless steel 302HQ, it is supplied in a 100-piece pack. Commonly used for fastening components in machinery, equipment, and structural assemblies where a flush-mount, high-strength fastener is required
Inch-system standard socket head cap screw with #6-32 thread and 3/8 in length. Made from alloy steel with a black oxide finish. Drive size is 7/64 in. Supplied in a 100-piece pack. Commonly used in machinery, tooling, and equipment assembly requiring flush-mounting fasteners
HOLO-KROME
Inch-system standard socket head cap screw with #6-32 thread and 3/8 in length. Made from alloy steel with a black oxide finish. Drive size is 7/64 in. Supplied in a 100-piece pack. Commonly used in machinery, tooling, and equipment assembly requiring flush-mounting fasteners
This inch-system standard socket head cap screw features a 1/2"-13 thread size and 5/8" length. Made from black oxide alloy steel, it offers mild corrosion resistance. The 3/8" drive size accommodates standard hex keys. Suitable for fastening metal components in machinery, tooling, and industrial assemblies where high tensile strength and a low-profile head are required
HOLO-KROME
This inch-system standard socket head cap screw features a 1/2"-13 thread size and 5/8" length. Made from black oxide alloy steel, it offers mild corrosion resistance. The 3/8" drive size accommodates standard hex keys. Suitable for fastening metal components in machinery, tooling, and industrial assemblies where high tensile strength and a low-profile head are required
This inch-system standard socket head cap screw is made from alloy steel with a black oxide finish and meets Class 12.9 strength. It has a 12-inch length, 7/8-inch drive size, and 20-inch head height. Suitable for high-strength fastening applications in machinery and equipment assemblies
HOLO-KROME
This inch-system standard socket head cap screw is made from alloy steel with a black oxide finish and meets Class 12.9 strength. It has a 12-inch length, 7/8-inch drive size, and 20-inch head height. Suitable for high-strength fastening applications in machinery and equipment assemblies
This inch-system standard socket head cap screw is 4 inches long, made from alloy steel with a black oxide finish, and rated Class 12.9. It features a 0.438-inch head height and a 7/8-inch drive size. Commonly used for high-strength fastening in machinery and structural assemblies
HOLO-KROME
This inch-system standard socket head cap screw is 4 inches long, made from alloy steel with a black oxide finish, and rated Class 12.9. It features a 0.438-inch head height and a 7/8-inch drive size. Commonly used for high-strength fastening in machinery and structural assemblies
Inch-system standard socket head cap screw with 3/8"-24 thread and 1/2" length. Made from alloy steel with a black oxide finish. Drive size is 5/16". Suitable for industrial assembly, machinery, and equipment requiring flush-mount fasteners
HOLO-KROME
Inch-system standard socket head cap screw with 3/8"-24 thread and 1/2" length. Made from alloy steel with a black oxide finish. Drive size is 5/16". Suitable for industrial assembly, machinery, and equipment requiring flush-mount fasteners
This inch-system standard socket head cap screw features a 1/2"-13 thread size and 4 3/4 in length. Made from alloy steel with a black oxide finish, it has a 3/8 in drive size and is supplied in a 10-pack. Commonly used in machinery, tooling, and industrial equipment for high-strength fastening applications
HOLO-KROME
This inch-system standard socket head cap screw features a 1/2"-13 thread size and 4 3/4 in length. Made from alloy steel with a black oxide finish, it has a 3/8 in drive size and is supplied in a 10-pack. Commonly used in machinery, tooling, and industrial equipment for high-strength fastening applications