6 spanners are an important tool to have in a tool box as they are required at the time of tightening nuts and bolts. spanners are made from the drop forging process. spanners come in different sizes and are also of different types. each type of spanner has a speciality of tackling different jobs.
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mar 29, 2019 in this article, you will learn about the types of nuts and bolts.a bolt contains two parts a shank and head. the cylindrical portion of the bolt is known as the shank. the shank is threaded at the tail end for a sufficient length so as to effectively engage with a nut.
fasteners are used for fastening and securing materials such as wood, metal, plastic, or concrete. they include nuts and bolts, threaded rods, structural bolts, machine screws, wedge anchors, washers, rivets, and more in a variety of types and sizes, including metric and inch.
chrome fasteners grattan stocks a wide selection of chrome nuts and bolts at wholesale prices. we carry both us and metric chrome fasteners. used for their mirror like polished finish, chrome fasteners are often used in automotive, hot rod and motorcycle applications.
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nut size (a.k.a. diameter) is the size bolt that the nut is used with. the same is true of the thread count. thus a 1/4" 20 nut fits a 1/4" 20 bolt. important note due to the plating thickness, only hot dipped galvanized bolts should be used on hot dipped galvanized nuts.
hot dipped galvanized fasteners are frequently seen in coastal environments and in pressure treated lumber where the chemicals in the lumber may corrode other fasteners. the nutty company stocks galvanized nuts, galvanized washers, galvanized bolts, galvanized threaded rod, galvanized eye bolts, and galvanized concrete anchors.
the required nut specification for all f1554 anchor bolts is astm a563, which is the general nut specification for structural and mechanical applications. depending on the diameter and finish of the anchor bolt, astm requires an a563 hex or heavy hex pattern nut. heavy hex pattern nuts are slightly thicker and wider than hex nuts.