Transcription of FASTENERS MASONRY FASTENER TECHNICAL DATA AND …
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STRUT & HANGERSAUTO & ELECTRICALCHEMICALS& JANITORIALSAFETY PRODUCTSCONTRACTOR& INDUSTRIALTOOLS &ACCESSORIESDRILLS / SAWS& DATAAND CHARTSSECTIONIMPORTANT DISCLAIMERAll of the information provided in this sectionhas been assembled with concern for is intended for advisory purposes only anduse of this information is completely do not guarantee its completenessor validity and assume no responsibilityfor any loss, claims or damages resultingfrom use or application of this information is subjectto change without prior sure to verify!AUTO & ELECTRICALTOOLS & ACCESSORIESSTRUT & HANGERSDRILLS / SAWS& ABRASIVESSAFETY PRODUCTSFASTENERSCONTRACTOR& INDUSTRIALMASONRYANCHORSCHEMICALS& JANITORIAL149 FastenersPRODUCT CATALOG 2009/10 Industry standardsMost industrial FASTENERS are covered by two basic standards : one for materials and properties; the other, for dimensions and tolerances.
Classes 1A and 1B are shown in ANSI standards but are rarely used. Most standard fasteners are produced with a Class 2A fit for bolts and a Class 2B fit for nuts. The Class 2A allowance assures easier assembly of mating parts, minimizes galling and seizing in high-cycle wrench assembly, and can be used to accommodate commercial electroplated ...
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