INTRODUCTION
Identicationmarkings
Metrichexhead,angehexheadandcarriagebolts,Classes(CL)5.6andupward
NHIL14RB00662AA1
Metricboltidenticationmarkings
1.Manufacturer'sidentication
2.Propertyclass
Metrichexnutsandlocknuts,Classes(CL)05andupward
NHIL14RB00663AA2
Metrichexnutidenticationmarkings
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(1)–Manufacturer'sidentication
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(3)–Propertyclass
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(2)–Clockwisetypemarkingsindicatepropertyclassandmayincludemanufactureridentication(ifapplied),
Example:propertymarks240°apart(shown)attheeighto’clockpositionindicateaClass8property,andmarks
300°apartattheteno’clockpositionindicateaClass10property.
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