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USA INDUSTRIALS Hex Head Cap Screw: Stainless Steel, 18-8, Plain, 3/8"-16, Coarse, 2 1/4 in lg - 18-8 Stainless Steel Hex Head Cap Screws
USA INDUSTRIALS18-8 Stainless Steel Hex Head Cap Screws

USA INDUSTRIALS Hex Head Cap Screw: Stainless Steel, 18-8, Plain, 3/8"-16, Coarse, 2 1/4 in lg

USA Industrials 18-8 Stainless Steel Hex Head Cap Screws (SKU 3G-OTH-746115, MPN ZBOLT-4638) are plain-finish, coarse-thread fasteners with a 3/8"-16 thread size and 2 1/4 in length, supplied in a 25-piece small…

SKU 3G-OTH-746115

Also listed as: ZBOLT4638 · ZBOLT 4638

Brand
USA INDUSTRIALS
Item
Hex Head Cap Screw: Stainless Steel, 18-8, Plain, 3/8"-16, Coarse, 2 1/4 in lg
Category
18-8 Stainless Steel Hex Head Cap Screws
Available to Order
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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

USA INDUSTRIALS
Manufacturer Part Number
ZBOLT-4638
Type
18-8, Plain, 3/8"-16, Coarse, 2 1/4 in lg, Inch, 25 PK
Pack Size
Small Pack
Dimensional Standards
ASME B18.2.1
Manufacturer Location
Globally Sourced
System of Measurement
Inch
Hex Head Cap Screw Type
Hex Head Cap Screw
Material Quality Standards
ASTM F593

Technical Documents

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

Product Description

USA Industrials 18-8 Stainless Steel Hex Head Cap Screws (SKU 3G-OTH-746115, MPN ZBOLT-4638) are plain-finish, coarse-thread fasteners with a 3/8"-16 thread size and 2 1/4 in length, supplied in a 25-piece small pack. Manufactured to ASME B18.2.1 dimensional standards and ASTM F593 material quality standards, these inch-system screws are globally sourced for consistent industrial-grade performance.

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 USA Industrials 18-8 Stainless Steel Hex Head Cap Screw used for?

These 18-8 stainless steel hex head cap screws are used for general-purpose fastening in industrial, marine, and outdoor applications where corrosion resistance is needed. The 3/8"-16 coarse thread and 2 1/4 in length suit medium-duty bolting in machinery, structural assemblies, and equipment mounting.

What are the specifications of USA Industrials Hex Head Cap Screw ZBOLT-4638?

The ZBOLT-4638 is a 3/8"-16 coarse-thread, 2 1/4 in long hex head cap screw made from 18-8 stainless steel with a plain finish. It meets ASME B18.2.1 dimensional standards and ASTM F593 material quality standards. Supplied in a 25-piece small pack, inch system.

Where to buy USA Industrials Hex Head Cap Screw ZBOLT-4638 worldwide?

3G Electric supplies USA Industrials ZBOLT-4638 hex head cap screws to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 18-8 stainless steel fastener.

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

Select based on thread size, length, material, and strength. For corrosion resistance, 18-8 stainless steel like this USA Industrials screw works in damp or marine environments. Match the 3/8"-16 coarse thread to your nut or tapped hole. Verify length provides full thread engagement without bottoming out.

Used in

Common applications for USA INDUSTRIALS
Chemical processing — USA INDUSTRIALS FEP-encapsulated silicone cam-and-groove gaskets for corrosion-resistant sealing in coupling systems.
Food and beverage — USA INDUSTRIALS food-grade FKM cam-and-groove gaskets for sanitary fluid transfer in processing lines.
Water treatment — USA INDUSTRIALS 304 stainless steel gate valves for isolation in piping systems handling non-potable water.
Oil and gas — USA INDUSTRIALS brass ball valves for manual shut-off in low-pressure gas or fluid lines.
Pharmaceutical manufacturing — USA INDUSTRIALS 316 stainless steel globe valves for precise flow control in clean-room environments.
General industrial MRO — USA INDUSTRIALS polypropylene cam-and-groove fittings for temporary hose connections in plant maintenance.

USA INDUSTRIALS Products

3G Electric supplies USA INDUSTRIALS 18-8 stainless steel hex head cap screws. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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