Precision Diamond & Ball Indenters for Advanced Material Hardness Testing Applications
JPT manufactures high-precision Hardness Testing Indenters conforming to international hardness testing standards for Rockwell, Vickers, Brinell, and specialized hardness measurement applications. Our indenters are produced using premium-grade natural and synthetic industrial diamonds with ultra-precision lapping and geometrical control to ensure maximum testing accuracy, repeatability, and long operational life.
Each indenter is manufactured under stringent dimensional and angular tolerance control to meet global hardness testing standards including:
- ISO Standards
- ASTM Standards
- DIN Standards
- BIS Standards
The use of superior-grade diamonds, precision polishing technology, and accurate geometrical finishing ensures highly reliable hardness measurement performance for laboratory, metallurgical, research, and industrial quality control applications.
JPT manufactures:
- Vickers Diamond Indenters
- Rockwell Diamond Indenters
- Brinell Ball Indenters
- Custom Hardness Testing Indenters
- Micro & Macro Hardness Testing Tools
- Precision Calibration Indenters
High-Precision Diamond Pyramid Indenter for Micro & Macro Hardness Testing
The Vickers Hardness Indenter is a precision-finished square-based diamond pyramid designed for Vickers hardness testing applications. The indenter features an accurately lapped included angle of:
136°
between opposite pyramid faces as specified under international Vickers hardness testing standards.
The indentation produced under controlled test loads is used to determine the Vickers Hardness Number (HV / VHN) based on indentation surface area calculations.
Technical Features
Precision Diamond Geometry
- Ultra-precision lapped diamond pyramid
- Accurate 136° included angle
- Superior edge sharpness and symmetry
- Excellent dimensional stability
Premium Diamond Quality
Manufactured using:
- High-purity industrial diamonds
- Defect-free crystal structures
- Superior wear-resistant diamond grades
Ensuring:
- Long operational life
- High measurement repeatability
- Stable indentation geometry
Wide Test Load Capability
Suitable for testing loads ranging from:
1 gf to 100 kgf
Applications
Industrial Applications
- Metallurgical laboratories
- Heat treatment verification
- Thin coating evaluation
- Surface hardening analysis
- Precision component inspection
Material Testing Applications
- Ferrous & non-ferrous materials
- Carbides
- Ceramics
- Coated materials
- Thin films
- Aerospace alloys
- Hardened steels
Industries Served
- Automotive Industry
- Aerospace Industry
- Tool & Die Industry
- Medical Device Manufacturing
- Research & Development Laboratories
- Metallurgical Testing Facilities
Precision Diamond Cone & Ball Indenters for Rockwell Hardness Testing
Rockwell Hardness Indenters are precision tools designed to determine material hardness based on indentation depth under specified major and minor test loads.
Depending on the testing scale and material type, Rockwell testing utilizes:
- Diamond cone indenters (Brale Indenters)
- Steel ball indenters
- Carbide ball indenters
Diamond Cone Indenter Features
Precision Brale Geometry
Manufactured with:
- Accurate cone angle geometry
- Controlled spherical tip radius
- Precision lapped diamond surfaces
Ensuring:
- Accurate penetration depth
- Consistent hardness readings
- Long testing life
Rockwell Scale Compatibility
Suitable for:
- Rockwell A Scale (HRA)
- Rockwell B Scale (HRB)
- Rockwell C Scale (HRC)
- Superficial Rockwell Testing
Applications
Material Testing
- Hardened steels
- Heat-treated components
- Tool steels
- Carbides
- Precision machined parts
Industrial Applications
- Production quality control
- Incoming material inspection
- Heat treatment verification
- Manufacturing process validation
- Engineering research
Machine Compatibility
Suitable for use on:
- Analog Rockwell Hardness Testers
- Digital Hardness Testing Machines
- CNC Hardness Testing Systems
- Automatic Hardness Testing Equipment
Precision Steel & Carbide Ball Indenters for Brinell & Hardness Testing Applications
Ball Indenters are precision-manufactured spherical indenters used in Brinell and specialized hardness testing applications where indentation diameter measurement determines material hardness.
These indenters are manufactured using:
- Hardened steel balls
- Tungsten carbide balls
- Precision spherical finishing technology
Technical Features
High Dimensional Accuracy
- Precision spherical geometry
- Excellent roundness control
- Uniform surface finish
- Stable indentation characteristics
Standard Ball Sizes
Available ball diameters include:
1 mm to 5 mm
Custom ball sizes available upon request.
Applications
Brinell Hardness Testing
Suitable for:
- Cast iron
- Aluminum alloys
- Brass
- Copper alloys
- Forged materials
- Structural steels
Industrial Applications
- Manufacturing quality control
- Material durability evaluation
- Heavy engineering inspection
- Metallurgical analysis
- New material development
Precision Lapping Technology
All indenters undergo:
- Ultra-precision lapping
- Optical inspection
- Geometrical verification
- Surface finish inspection
Strict Quality Control
Every indenter is inspected for:
- Angle accuracy
- Tip geometry
- Surface integrity
- Concentricity
- Dimensional tolerances
Superior Performance Benefits
- High hardness measurement accuracy
- Excellent repeatability
- Long operational life
- Stable indentation geometry
- Reduced measurement deviation
- Compliance with international standards
JPT Hardness Testing Indenters are widely used in:
- Automotive Industry
- Aerospace Industry
- Defense Manufacturing
- Tool & Die Industry
- Steel Plants
- Foundries
- Heat Treatment Facilities
- Research Laboratories
- Educational Institutions
- Precision Engineering Industries
Machine Compatibility
Suitable for:
- Vickers Hardness Testing Machines
- Rockwell Hardness Testers
- Brinell Hardness Testers
- Microhardness Testing Equipment
- Universal Hardness Testing Systems
- CNC Automated Hardness Testing Machines
- Manufactured using premium industrial diamonds
- Precision-controlled geometrical accuracy
- Strict international standard compliance
- Excellent wear resistance and testing consistency
- Reliable and repeatable hardness measurement performance
- Custom indenter manufacturing capability
- Suitable for laboratory and industrial production environments
JPT supplies:
- Vickers Diamond Indenters
- Rockwell Diamond Cone Indenters
- Brinell Ball Indenters
- Carbide Ball Indenters
- Microhardness Indenters
- Custom Hardness Testing Indenters
- Precision Calibration Indenters
Custom specifications available as per machine model, testing standard, and application requirements.


