Round Nut

Round Nut Specification

Head Size
Available from M4 to M20

Diameter
4mm to 20mm

Standard
DIN 466, ISO, IS

Head Type
Round

Material
Mild Steel, Stainless Steel (SS304/316), Brass

Function
Used to secure and fasten parts together, typically with bolts or threaded rods

Weight
8-15 grams (varies by size)

Surface
Polished

Feature
Corrosion Resistant, High Durability, Precise Threading

Thread Type
Metric, Fine Pitch Threads

Shape
Cylindrical with knurled or smooth finish

Length
5mm to 50mm

Production Process
Cold Forged or Machined

Tolerance
±0.2mm

Finish
Zinc Plated, Chrome Plated, Self-Colored

Application
Automotive, Machinery, Construction, Electrical

Packing Type
Polybag/Box/Carton

Hardness
38-44 HRC

Temperature Range
-20°C to +350°C

Round Nut Trade Information

Minimum Order Quantity
1000 Pieces

Payment Terms
Cash Advance (CA), Cash in Advance (CID)

Supply Ability
1000 Pieces Per Day

Delivery Time
3 Days

Sample Available
Yes

Sample Policy
Within a certain price range free samples are available

Main Domestic Market
All India

About Round Nut

Round Nut by New Hari Bol Ludhiana

The Round Nut from New Hari Bol Ludhiana is a high strength fastening solution designed for secure and stable connections in a variety of industrial and mechanical applications. Precision manufactured using quality steel our round nuts ensure a tight fit and reliable performance in threaded assemblies.

With smooth threading and a durable finish these nuts are ideal for heavy duty machinery automotive parts and structural components. Each product is carefully tested to meet industry standards offering long lasting strength and resistance to wear.

Key Features

Made from high quality steel or stainless steel
Uniform threading for secure fitting
Available in multiple sizes and finishes
Suitable for industrial machinery automotive and structural uses
Manufactured in Ludhiana India by trusted experts in fastening solutions

Choose New Hari Bol for dependable Round Nuts that deliver strength precision and

Designed for Versatility

Our Round Nuts fit seamlessly into a range of industries, including automotive, electrical, and heavy machinery. Whether for new builds or repairs, their precise threading and high hardness offer excellent retention and durability, ensuring dependable operation in demanding environments.

Engineered for Performance

Cold forged or machined from premium materials like mild steel, SS304/316, or brass, these nuts exhibit consistent quality and dimensional accuracy (0.2mm tolerance). Their corrosion-resistant finishes-zinc plated, chrome plated, or self-colored-guarantee long-term reliability, even in challenging conditions.

FAQ's of Round Nut:

Q: How can I select the right size and material for round nuts in my application?

A: Consider the thread diameter (M4-M20), length (5mm-50mm), and material compatibility with the parts being fastened. For corrosive environments, stainless steel (SS304/316) is recommended, while brass offers excellent conductivity for electrical use.

Q: What is the typical process used to manufacture these round nuts?

A: Depending on material and design, round nuts are manufactured via cold forging or precision machining. Both processes ensure accurate threading, consistent hardness (38-44 HRC), and a precise fit within the 0.2mm tolerance.

Q: When should I use zinc plated versus chrome plated or self-colored finishes?

A: Zinc plating is ideal for enhanced corrosion resistance in standard environments, while chrome plating offers additional durability and a polished appearance. Self-colored nuts are suitable for controlled, indoor environments or where appearance is not critical.

Q: Where are these round nuts commonly installed?

A: These nuts are widely used across automotive assemblies, machinery fastening, structural construction, and within electrical components-essentially anywhere secure and precise bolt or rod fastening is required.

Q: What benefits do fine pitch metric threads provide in round nuts?

A: Fine pitch threads offer higher tensile strength and resistance to vibration loosening, ensuring a more secure hold-especially valuable in high-stress or precision applications.

Q: How does the knurled or smooth cylindrical shape impact usability?

A: Knurled finishes offer improved grip for hand tightening or adjustments, while smooth finishes provide streamlined installation where grip is not a primary concern.

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