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A194 High Strength Heavy Hex Nuts Black Finish Metric Hexagon Nuts M12 M14 M16 M18 M20 M22 M24 M27 M30 for Industrial Fastening

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Product Description

A194 High Strength Heavy Hex Nuts Black Finish Metric Hexagon Nuts for Industrial Use

Our A194 high strength heavy hex nuts are designed for demanding industrial fastening applications where stable tightening, reliable thread engagement, and strong assembly performance are required. The product features a heavy hexagon shape, a black surface finish, and internal metric threads suitable for matching with compatible bolts, threaded rods, and washers.

Available sizes include M12, M14, M16, M18, M20, M22, M24, M27, and M30, making this product suitable for machinery assembly, industrial equipment, engineering projects, maintenance repair, and heavy-duty fastening use.

The larger heavy hex structure provides more wrench contact area compared with regular hex nuts, helping improve installation convenience in industrial fastening work.


Product Overview

Item Description
Product Name A194 High Strength Heavy Hex Nut
Product Type Heavy Hex Nut / Hexagon Nut
Standard / Specification A194
Thread Type Metric Thread
Available Sizes M12, M14, M16, M18, M20, M22, M24, M27, M30
Surface Finish Black Finish
Shape Heavy Hexagon
Application Industrial Equipment, Machinery Assembly, Engineering Projects, Maintenance Repair
Matching Products Bolts, Threaded Rods, Washers

Key Features

  • A194 specification for industrial fastening requirements
  • Heavy hexagon design for stronger tool contact and convenient tightening
  • Metric thread sizes from M12 to M30 for different project needs
  • Black finish for a dark industrial appearance
  • Suitable for heavy-duty fastening, machinery repair, equipment assembly, and engineering use
  • Can be matched with suitable bolts, threaded rods, and washers

How This Product Helps Buyers

1. Solves Heavy-Duty Fastening Needs

Industrial equipment and machinery often require fastening parts with higher strength and better tightening stability. These A194 heavy hex nuts are suitable for applications where regular nuts may not meet the fastening requirement.

2. Easier Size Matching

With multiple metric sizes available from M12 to M30, buyers can match different bolts and threaded rods in one purchasing plan, reducing sourcing time and communication cost.

3. Convenient for Maintenance and Repair

The heavy hexagon shape provides a larger wrench contact area, making installation and removal more practical for repair teams and industrial maintenance workers.

4. Suitable for Project and Bulk Orders

This product is suitable for importers, distributors, engineering contractors, equipment repair suppliers, and industrial buyers who need repeated or mixed-size purchases.


Application Areas

Application Area Typical Use
Industrial Machinery Equipment connection and component fastening
Engineering Projects Heavy-duty fastening with bolts and washers
Maintenance Repair Replacement nuts for machinery and equipment
Heavy Equipment Used in large mechanical fastening positions
Hardware Distribution Suitable for wholesale and industrial supply
Threaded Rod Assembly Used with compatible metric threaded rods

Size Options

Metric Size Application Direction
M12 Medium industrial fastening
M14 Machinery and equipment assembly
M16 General heavy-duty fastening
M18 Engineering and repair use
M20 Industrial machinery fastening
M22 Heavy equipment connection
M24 Large-size fastening applications
M27 Engineering project fastening
M30 Heavy-duty industrial fastening

FAQ

Q1: What type of nut is this product?

A1: This product is an A194 high strength heavy hex nut.

Q2: What sizes are available?

A2: Available sizes include M12, M14, M16, M18, M20, M22, M24, M27, and M30.

Q3: What is the surface finish?

A3: The product has a black finish.

Q4: Is this a regular hex nut or heavy hex nut?

A4: This product is a heavy hex nut, with a larger hex structure than a regular hex nut.

Q5: What applications is it suitable for?

A5: It is suitable for industrial machinery, equipment repair, engineering projects, heavy-duty fastening, and threaded rod assembly.

Q6: Can it be used with bolts and washers?

A6: Yes. It can be used with compatible metric bolts, threaded rods, and washers.

Q7: Can I order mixed sizes?

A7: Yes. Mixed-size orders can be arranged according to your size list and quantity requirements.

Q8: What information should I provide for a quotation?

A8: Please provide the size, quantity, A194 grade requirement, surface finish, packing requirement, and delivery destination.

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International Standard Certification

Complies with major global standards such as ISO/DIN/GB/ANSI/JIS

Full range of products covered

Standard parts + customized parts, one-stop solution for all your fastening needs

High-precision manufacturing process

Tolerance control far exceeds industry standards, ranging from 4.8 to 12.9 grades.

1-on-1 Customization Service

Customization based on provided drawings/samples/working conditions; rapid prototyping and mass production delivery.

What Our Customers Say

Trusted by global manufacturers for fastener solutions

BrightBuild Hardware Ltd.
BrightBuild Hardware Ltd.
United Kingdom
XZ FASTENER has been a reliable supplier for our construction fastener orders. The bolts and nuts arrived with good surface finish, accurate sizes, and strong packaging. Communication was clear from quotation to shipment.
Andina Industrial Supply S.A.
Andina Industrial Supply S.A.
Colombia
We ordered different sizes of hex bolts, washers, and nuts. XZ FASTENER helped us confirm the specifications and provided a practical shipping solution. The quality was stable and suitable for our local market.
Falcon Engineering Supplies
Falcon Engineering Supplies
United Arab Emirates
XZ FASTENER understands export business very well. They prepared the quotation, packing details, and documents professionally. The products matched our requirements and the delivery was well organized.
Pacific Bolt & Nut Trading
Pacific Bolt & Nut Trading
Philippines
We appreciate their fast response and flexible support. Even though our order included mixed sizes and different surface treatments, XZ FASTENER handled everything carefully. Good partner for wholesale fasteners.
Monterra Hardware Group
Monterra Hardware Group
Mexico
The galvanized fasteners we received were clean, well packed, and consistent in thread quality. XZ FASTENER gave us clear product photos before shipment, which helped us feel confident about the order.
Eastern Mechanical Parts Co.
Eastern Mechanical Parts Co.
Saudi Arabia
We purchased high-strength bolts and nuts for machinery maintenance. The products were strong, accurate, and packed in export cartons. XZ FASTENER is a serious factory supplier.
GlobalFix Distributors
GlobalFix Distributors
South Africa
XZ FASTENER provides competitive pricing without ignoring quality. Their team helped us compare materials, grades, and surface treatments before confirming the order. This saved us time and reduced purchasing risk.
Nova Tools & Fasteners
Nova Tools & Fasteners
Chile
Our customers care about stable quality and good appearance. The fasteners from XZ FASTENER met our expectations. The cartons, labels, and product sorting were also handled professionally.
Delta Construction Supply
Delta Construction Supply
Kenya
We needed fasteners for construction use in several sizes. XZ FASTENER responded quickly and gave practical advice on packing and shipment. The goods arrived in good condition.
Atlas Industrial Trading
Atlas Industrial Trading
Turkey
The product quality was consistent across different batches. Threads were clean, dimensions were accurate, and the surface treatment looked good. We are satisfied with XZ FASTENER’s factory support.
RedRock Hardware Importers
RedRock Hardware Importers
Australia
XZ FASTENER helped us source both standard and customized fasteners. Their team checked drawings carefully and confirmed details before production. This is very important for B2B buyers like us.
PrimeFix
PrimeFix
Canada
We like working with suppliers who communicate clearly. XZ FASTENER gave us photos, weight information, packing details, and shipping suggestions. The whole process was smooth.

Customer Visits & Certificates

Globally Compliant Standards

All XZ products comply with major global industrial standards and are adaptable to the specifications of different countries and regions.

ISO

International Organization for Standardization (ISO) standards

DIN

German Industrial Standards

GB

Chinese National Standards

ANSI

American National Standards

JIS

Japanese Industrial Standards

Application Areas

Mechanical equipment
manufacturing

Automobiles &
New Energy

Rail transit

Aerospace

Petrochemical

Shipbuilding &
Ocean

New energy photovoltaic /
wind power

Electronics &
Electrical

High-end buildings

Special industrial
equipment

XZ Sales Engineer

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