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Nuts
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Anchors

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Carbon steel
Stainless steel
Copper alloy
Aluminum alloy
Titanium alloy
Nickel alloy
Nylon
Engineering plastics
Rubber

Fastener coating

Original material
Electroplating zinc
Hot-dip galvanizing
Blackening
Teflon coating
Dacromet
Zinc-aluminum coating
Phosphating
Bluing
DIN 934 Black Oxide Carbon Steel Metric Hex Nuts High Strength Hexagon Nuts for Industrial Fastening
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DIN 934 Black Oxide Carbon Steel Metric Hex Nuts High Strength Hexagon Nuts for Industrial Fastening

  • Global Shipping Available.
  • OEM & Custom Manufacturing.
  • Large-Volume Orders Supported.
  • Tender & Project Order Support.
  • Multiple Surface Finishes.
  • Strict Quality Control.
  • Material Certificates Available.
  • Free Samples Support.
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Product Description

DIN 934 Black Oxide Carbon Steel Metric Hex Nuts

Our DIN 934 black oxide carbon steel metric hex nuts are designed for reliable fastening in industrial machinery, equipment assembly, repair work, and general hardware applications.

The product features a standard six-sided hexagon shape, making it easy to tighten and remove with common tools such as wrenches and sockets. The metric internal thread allows proper matching with compatible metric bolts, screws, threaded rods, and washers.

Made from carbon steel with a black oxide finish, these hexagon nuts provide a clean black appearance and are suitable for industrial fastening use.

Product Overview

Item Description
Product Name Black Oxide Carbon Steel Hex Nut
Standard DIN 934
Type Hex Nut / Hexagon Nut
Material Carbon Steel
Thread Type Metric Thread
Surface Finish Black Oxide
Color Black
Shape Six-Sided Hexagon
Application Industrial Fastening, Machinery Assembly, Equipment Repair

Key Features

  • DIN 934 standard hex nut
  • Carbon steel material
  • Black oxide surface finish
  • Metric internal thread
  • Hexagon shape for easy installation
  • Suitable for industrial machinery, equipment repair, and general fastening
  • Can be used with metric bolts, threaded rods, screws, and washers

Application Areas

Application Use
Machinery Assembly Component connection and fastening
Equipment Repair Replacement fastening parts
Industrial Fastening General mechanical connection
Hardware Supply Suitable for bulk fastener procurement
Threaded Rod Assembly Used with matching metric threaded rods

Buyer Benefits

Buyer Need Product Benefit
Standard product matching DIN 934 design supports metric fastening systems
Easy installation Hex shape fits standard tools
Black surface requirement Black oxide finish provides a uniform black appearance
Industrial use Carbon steel nut for common fastening applications
Bulk purchase Suitable for mixed-size and large quantity orders

FAQ

Q1: What type of nut is this?

A1: It is a DIN 934 metric hex nut.

Q2: What material is used?

A2: The nut is made of carbon steel.

Q3: What is the surface finish?

A3: The surface finish is black oxide.

Q4: Is this a metric thread nut?

A4: Yes, it uses metric internal thread.

Q5: What can it be used with?

A5: It can be used with compatible metric bolts, screws, threaded rods, and washers.

Q6: What industries is it suitable for?

A6: It is suitable for industrial fastening, machinery assembly, equipment repair, and hardware supply.

Q7: What information is needed for quotation?

A7: Please provide the size, quantity, surface finish, packing requirement, and delivery destination.

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Related products

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.

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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

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