What is the hardness of the nut?

The hardness is typically HRC 25-35, depending on the grade and heat treatment process.

How is the product packaged?

Products are individually protected or packed in bulk in strong wooden crates due to their large size and weight.

Special Heavy-Duty Nut for Breaker Hammer Machine

Name: Special Heavy-Duty Nut for Breaker Hammer Machine
Brand: JiaXing Hongsteel Trading Co., Ltd.
SKU: 2205418035

Zhejiang, ChinaJiaXing Hongsteel Trading Co., Ltd.

US$2.00

100 Pieces

Sample price:US$4.00/piece.Request sample

Product profile

Customization

Available

Material

Alloy Steel

Type

Hexagon Head

Model NO.

BN-1

Connection

Common Nut

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, GOST, BSW, Non-Standard - or Can Be Customized

Grade

12.9

Nominal Size

M72 (Metric) - Thread Diameter 72 mm

Thread Pitch

Typically Coarse Pitch, e.g., M72 × 6.0

Thread Type

Heavy Hex Nut / Special Lock Nut / Structural Nut

Heat Treatment

Quenched and Tempered for High Tensile Strength

Hardness

HRC 25-35 (Depending on Grade and Heat Treatment)

Tensile Strength

Approx. 800-1000 MPa (116-145 Ksi) - Can Be Higher

Surface Finish

Black Oxide, Plain Oiled, Zinc Plated, Phosphate

Condition

Brand New

Company Type

Manufacturing & Trading

Deliver by

by Air, Ship or Other Transportation.

Inco Terms

Any

MOQ

Delivery Time

10 to 35 Days According to The Shipment

Transport Package

Can Be Customized

Specification

Can be customized

Trademark

HONGSTEEL

Origin

China

HS Code

7318151090

Production Capacity

100000p/Year

Key features

M72 Heavy-Duty Design: Nominal size M72 with thread diameter 72 mm, designed for extremely high loads and impact forces.

High Tensile Strength: Made of quenched and tempered alloy steel with tensile strength approx. 800-1000 MPa (116-145 ksi).

Customizable Specifications: Fully customizable dimensions, thread pitch, material, finish, and locking features per customer drawings.

Robust Anti-Loosening: Features extra heavy hex design and optional anti-loosening slots to withstand vibration under heavy duty.

Strict Quality Control: 100% thread gauge check with Mill Test Certificate (MTC) EN10204 3.1 and hardness test reports.

Versatile Surface Finish: Available in black oxide, plain oiled, zinc plated, phosphate coated, or hot-dip galvanized options.

Wide Application Scope: Suitable for heavy construction machinery, breaker hammers, mining equipment, and wind turbine anchorages.

ISO Certified Manufacturing: Produced by ISO9001 and ISO 17025 certified facilities ensuring superior efficiency and quality standards.

Company profile

Years of Export ExperienceHigh Repeat Buyers ChoiceImporters and Exporters

JiaXing Hongsteel Trading Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤0.94h

About Our Factory & Business Background

AddressNo. 6, Haisheng Road, Wuyuan Town, Haiyan County, Jiaxing, Zhejiang, China

Our Production Capability & Technical Expertise

Main ProductsCNC Machining Parts, Die Casting, Bolt and Nut, Pneumatic Components, Fitting, Reducer, Stamping, Forging, Fasteners, Shaft

Product Q&A

Q:What is the material of the M72 nut?

The nut is made of high-strength alloy steel (medium carbon alloy steel) that is quenched and tempered for high tensile strength and toughness.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 10 pieces.

Q:What is the delivery time?

Delivery time ranges from 10 to 35 days, depending on the shipment method and order specifics.

Q:What certifications are provided?

We provide a Mill Test Certificate (MTC) EN10204 3.1, along with dimensional inspection and hardness test reports.

Q:Is OEM or custom manufacturing available?

Yes, we offer fully customizable solutions including dimensions, thread pitch, material, finish, and locking features according to customer drawings or samples.

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