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Hardness Test Blocks
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Hardness Test Blocks & Accessories

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EXTEC Micro Hardness Test Blocks- Vickers (HV), Knoop (HK) and Dual (HV/HK) meet ASTM E384 standards and conform to A2LA and NVLAP specifications.

Specifications for Vickers (HV), Knoop (HK) and Dual (HV/HK) are the same load: 100-200 (100 gm load)' 300-800 (500 gm load). Other than standard load may be specified.

Vickers and Knoop Diamond Penetrators are available for most Micro Hardness Testers.

EXTEC Rockwell Test Blocks meet the ASTM E18 standard and conform to A2LA and NVLAP specifications. Rockwell HRC Test Blocks are traceable to NIST.

Master Calibration Kits, HRC Scale include 3 test blocks - High, Medium and Low and a Diamond Penetrator. Fitted in a convenient wooden case.

EXTEC Brinell Test Blocks meet ASTM E310 standards and conform to A2LA and NVLAP specifications. Available in 500 kg load and 3000 kg load. Other loads and ball diameters are available via special order.

ABBREVIATION GUIDE
NIST National Institute of Standards and Technology
A2LA American Association of Lab Accreditation
NVLAP National Voluntary Lab Accreditation Program
ASTM E384 American Society of Testing Material Section E384
Micro Hardness Testing
ASTM E18 American Society of Testing Material Section E18
Rockwell Hardness Testing
ASTM E10 American Society of Testing Material Section E10
Brinell Hardness Testing
W Calibrated by a carbide ball

CATALOG
NUMBER		 DESCRIPTION UNIT
EXTEC Vickers Micro Hardness Test Blocks
11701 Vickers 100HV (100gm load) Each
11702 Vickers 200HV (100gm load) Each
11703 Vickers 300HV (500gm load) Each
11704 Vickers 400HV (500gm load) Each
11705 Vickers 500HV (500gm load) Each
11706 Vickers 600HV (500gm load) Each
11707 Vickers 700HV (500gm load) Each
11708 Vickers 800HV (500gm load) Each
EXTEC Knoop Micro Hardness Test Blocks
11711 Knoop 100HK (100gm load) Each
11712 Knoop 200HK (100gm load) Each
11713 Knoop 300HK (500gm load) Each
11714 Knoop 400HK (500gm load) Each
11715 Knoop 500HK (500gm load) Each
11716 Knoop 600HK (500gm load) Each
11717 Knoop 700HK (500gm load) Each
11718 Knoop 800HK (500gm load) Each

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CATALOG
NUMBER		 DESCRIPTION UNIT
EXTEC Dual Vickers/Knoop Micro Hardness Test Blocks
11721 Vickers/Knoop 100HV/HK (100gm load) Each
11722 Vickers/Knoop 200HV/HK (100gm load) Each
11723 Vickers/Knoop 300HV/HK (500gm load) Each
11724 Vickers/Knoop 400HV/HK (500gm load) Each
11725 Vickers/Knoop 500HV/HK (500gm load) Each
11726 Vickers/Knoop 600HV/HK (500gm load) Each
11727 Vickers/Knoop 700HV/HK (500gm load) Each
11728 Vickers/Knoop 800HV/HK (500gm load) Each
EXTEC Diamond Penetrators (*specify manufacturer's model)
11730 Vickers (HV)* Each
11734 Knoop (HK)* Each

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CATALOG
NUMBER		 DESCRIPTION UNIT
EXTEC Vickers Calibration Test Blocks
11731 Vickers 100HV 5 kg Each
11732 Vickers 200HV 5 kg Each
11733 Vickers 300HV 5 kg Each
11734 Vickers 500HV 5 kg Each
11736 Vickers 600HV 5 kg Each

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CATALOG
NUMBER		 DESCRIPTION UNIT
EXTEC Rockwell Calibration Test Blocks
11741 Rockwell 65 HRC Each
11742 Rockwell 63 HRC Each
11743 Rockwell 55 HRC Each
11744 Rockwell 50 HRC Each
11745 Rockwell 45 HRC Each
11746 Rockwell 40 HRC Each
11747 Rockwell 35 HRC Each
11748 Rockwell 30 HRC Each
11749 Rockwell 25 HRC Each
11750 Rockwell 95 HRBW Each
11751 Rockwell 85 HRBW Each
11752 Rockwell 70 HRBW Each
11753 Rockwell 60 HRBW Each
11754 Rockwell 50 HRBW Each
11755 Rockwell 40 HRBW Each
11756 Rockwell 30 HRBW Each
11757 Rockwell 20 HRBW Each
11758 Rockwell 10 HRBW Each
11759 Rockwell 85 HRA Each
11760 Rockwell 83 HRA Each
11761 Rockwell 73 HRA Each
11762 Rockwell 60 HRA Each
11763 Rockwell 90 HREW Each
11764 Rockwell 80 HREW Each
11765 Rockwell 70 HREW Each
11766 Rockwell 60 HREW Each
11767 Rockwell 50 HREW Each
11768 Rockwell 90 HR15N Each
11769 Rockwell 91 HR15N Each
11770 Rockwell 83 HR15N Each
11771 Rockwell 71 HR15N Each
11772 Rockwell 83 HR30N Each
11773 Rockwell 80 HR30N Each
11774 Rockwell 45 HR30N Each
11775 Rockwell 91 HR15TW Each
11776 Rockwell 88 HR15TW Each
11777 Rockwell 86 HR15TW Each
11778 Rockwell 84 HR15TW Each
11779 Rockwell 80 HR15TW Each
11780 Rockwell 73 HR15TW Each
11781 Rockwell 79 HR30TW Each
11782 Rockwell 73 HR30TW Each
11783 Rockwell 69 HR30TW Each
11784 Rockwell 65 HR30TW Each
11785 Rockwell 60 HRFW Each
11786 Rockwell 50 HR30TW Each
11787 Rockwell 43 HR30TW Each
11788 Rockwell 80 HRFW Each
11789 Rockwell 54 HR45TW Each

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CATALOG
NUMBER		 DESCRIPTION UNIT
EXTEC Rockwell Penetrator
11790 Rockwell C Diamond Penetrator Regular (Indentron®) Each
11791 Rockwell C Diamond Penetrator Regular (Versitron®) Each
11792 Rockwell C Diamond Penetrator Regular Each
11793 Rockwell N Diamond Penetrator Regular Each
11794 Rockwell N Diamond Penetrator Regular (Indentron®) Each
11795 Rockwell N Diamond Penetrator Regular (Versitron®) Each
11796 Rockwell Ball Penetrator Regular Unit 1/16" Each
11797 Rockwell Ball Penetrator Regular Unit 1/8" Each
11798 Rockwell Ball Penetrator Regular Unit 1/4" Each
11799 Rockwell Ball Penetrator Regular Unit 1/2" Each

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CATALOG
NUMBER		 DESCRIPTION UNIT
EXTEC Rockwell Calibration Kits
11800 Rockwell C Kit includes:
1 Diamond Penetrator;
3 Test Blocks-
high, medium, low;
fitted wooden case
 Kit
11802 Rockwell B Kit includesL
one 1/16" W (carbide) ball;
3 Test Blocks-
high, medium, low;
fitted wooden case 		Kit

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CATALOG
NUMBER		 DESCRIPTION UNIT
EXTEC Brinell Aluminum 10 mm Ball Test Blocks
11803 Brinell 60BHN 500 kg Each
11804 Brinell 102BHN 500 kg Each
11805 Brinell 126BHN 500 kg Each
11806 Brinell 160BHN 500 kg Each
EXTEC Brinell Steel 10 mm Ball Test Blocks
11811 Brinell 100BHN 3000 kg Each
11812 Brinell 200BHN 3000 kg Each
11813 Brinell 300BHN 3000 kg Each
11814 Brinell 400BHN 3000 kg Each
11815 Brinell 500BHN 3000 kg Each

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