These nuts are available in grade 2h per astm a194 in sizes from 12 to 2 12 and grade dh per astm a563 in sizes 12 to 1 12. Portland bolt faq section, with answers to frequently asked questions and an area to ask your own. Mechanical properties proof load psi yield strength min psi tensile strength min psi no grade mark sae j429grade 1 bolts, screws, studs low or medium carbon steel 14 thru 112 33,000. Imperial heavy hex nut dimensions g thickness heavy hex nuts h flats across width f corners. Msc industrial supply is here to support all your metalworking and maintenance repair needs with over 1 million products in stock and ready to ship today. Metric heavy hex nuts for use with structural bolts, astm a563m. Dimensions the dimensions for finished hex nuts are covered in the american national standards institute ansi b18. Fastener tech data fastener mart bolts, screws, nuts.
Heavy hex nut dimensions table stainless steel tubing. Shop a large range of ansi heavy hex nut at msc industrial supply. Hex bolt hex nut heavy hex bolt high strength bolts. Heavyhex structural bolt dimensions shall meet the requirements of. Heavy hex nuts are hex shaped, internally threaded, and driven with a wrench. Square nut, cap nut, heavy hex nut, acorn nut specialty or standards are available.
Finished hex nut dimensions heavy hex bolt dimensions heavy hex head cap screw dimensions heavy hex nut dimensions metric hex bolt dimensions. They distribute the load over a larger area for a stronger more secure connection. Our collection features a largerbodied nut size, compatible with bigger bolts. Fastener mart offers a wide range of fastener technical datafrom our understanding fastener series of articles, which will introduce you to a variety of fastener and hardware topics and productsto our fastener fasten facts, handy fastener reference data and reference chartsto advanced fastener reference materials in the form of fastener books. Uss pattern is the most common type of flat washer. Heavy hex bolts grade 2 sae grade 2, astm a307b plain hhc020 zinc hhc020z1 d f c h weight body diameter width across flats width across corners bolt height rough estimate diameter max basic max min per each min basic per each 12 0. There are numerous grades and the heavy pattern is typically used for large diameter and high strength bolts. Astm a194 2h heavy hex nut may be used in lieu as a substitute for astm a563 dh heavy hex nut. The heavy hex nut is taller and wider than a standard hex nut for a stronger hold and better security. Shop for various material grades, metals, widths, heights, finishes and more to make for a customizable experience. A thread forming screw combining locating point of type a with.
Atlanta rods chart displaying heavy hex bolt dimensions. Wf wc nominal diameter fractional decimal sw sw wf width across flats dimensional data heavy hex slotted nuts. Heavy hex nuts buy bulk hex nuts online fmw fasteners. Heavy hex nuts are slightly larger and thicker than standard finished hex nuts. Frequently used in farm machinery, plus in the automotive and metalworking industries, they can withstand severe vibration and shock loads. Purchase the unique quantity you need from fmw fasteners today. Heavy hex nuts are the strongest of all comparably graded designs, both thicker and wider across the flats than standard finished hex nuts of the same size. Eighteen heavy duty hex nuts and six round washers are required for a slip base assembly. Specification astm a194 thread coarse fnl made in the usa. Sleeve nuts are used to couple tie rods and provide a limited degree of length adjustment.
Fastener size tables this page provides tables listing sizes of inch and metric bolts, nuts, and washers. Metric, heavy hex nuts, astm a194m 2h, plain the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. The most versatile and widely used nut, it should be used with any low carbon bolt or screw that is heattreated. Larger sizes are either double chamfered or chamfered on top with a washer faced bearing surface. Asme bolting assembly torque values forged components. The following table of hex nut dimensions was adapted from asme b18. The width across flats of nut shall be the distance measured, perpendicular to the axis of nut, overall be tween two opposite sides of the nut in accordance with the notes on respective dimensional tables. Heavy hex nuts heavy hex nuts astm a194 heavy hex nuts designed to meet astm a194, these heavy hex nuts are slightly larger and thicker than a standard hex nut. The size of the hex is the same as a cap screw head to permit using the same standard wrench size. Earnest machine products line of grade c heavy hex nuts are made to the dimensional requirements of ansi b18. Preloaded bolted assemblies are very sensitive to differences in manufacture and lubrication. Dimensions of heavy hexagon nuts metrics series width across flats width across corners thickness for heavy hex. The runout of the flats of the nut shall not be greater than 2% of the maximum width across flats with respect to the axis of the thread pitch diameter. Galvanize coating refers to nuts that have been plated with a plating or coating of sufficient thickness to require overtapping of the nut to provide assembly.
Revision information log guide for approved fasteners october 3, 2008 effective date description of change authorized by 032108 date added to guide cover ray rowden. This specification covers chemical and mechanical requirements for eight property classes of hex and hex flange carbon and alloy steel nuts for general structural and mechanical uses on bolts, studs, and other externally threaded parts. The length of chamfer at hex corners shall be from 5% to 1 5% of the basic thread diameter. Therefore it is important that the assembly is supplied by one manufacturer who is always responsible for the function of the assembly. Different types of nuts come in various sizes and materials. Forged nozzles, pressure vessel connections custom fittings and their bolting assembly torque values. Fastenerdata metric nut comparison fastener specifications. Specification for structural joints using astm a325 or a490 bolts. Heavy hex, and askew head bolts and hex, heavy hex, hex flange, lobed head, and lag screws. Combining values from the two systems may result in a nonconformity with the specification of the astm a194. Summaries of technical information on common astm specifications used in the construction fastener industry. Metric hex nut dimensions sizes chart according to iso 4032. Hex nuts are one of the most common nuts available and are used with anchors, bolts, screws, studs, threaded rods and on any other fastener that has machine screw threads.
Because of their secure hold and durability, they are usually used for large diameter and high strength bolt applications. Sae pattern is a tighter fit on the bolt and a smaller outside diameter. They are also stronger than the same size nut of a comparable grade. Hex is short for hexagon, which means they have six sides. A coupling nut is a threaded fastener used for joining two male threads, most. Body width across bolt width across flats height rough estimate diameter. Jam nuts are used with heavy hex nuts to keep them from loosening.
Class 10s nut mechanical properties are similar to an astm a563 grade dh nut, are made from medium carbon steel and are quenched and temper heat treated. A sixsided internally threaded fastener which is both thicker and wider across the flats than a samesized finished hex nut, made of 188 stainless. They are available in a variety of grades and the heavy pattern is typically used for large diameter and high strength bolts. Heavy hex nuts for use with structural bolts, astm a 563 astm a 194. Heavy hex nut dimensions in inches are covered in asme b18. Mechanical properties of internally threaded fasteners 1. Imperial heavy hex nut dimensions insitu group of companies.
Description page nuts hex nuts finished and hex nuts heavy 41 hexagon machine screw nuts 42 type a forged wing nuts 43 hex slotted nuts 44 hex and heavy hex jam nuts 45 to 46 hex castle nuts 47 large diameter hexagon head cap nuts 48 round spanner nuts 49 heavy hex nuts with tommy bar holes 410. For milled frombar hex nuts, he nominal bar size used shall be the closest commercially available size to the specified basic width across flats of the nut. If the order received does not meet these requirements, it may result in a supplier corrective action request, which could jeopardize your status as an approved vendor. Width across flats wrench size and corners, nut height thickness and thread pitch dimensions are given for nut sizes between m1. The countersink included reference angle shall be 90 deg to 120 deg. All dimensions are given in inches unless otherwise indicated.
The tapped hole shall be countersunk on the bearing faces. Finished hex bolt dimensions finished hex nut dimensions heavy hex bolt dimensions heavy hex head cap screw dimensions heavy hex nut dimensions metric hex bolt dimensions. Grainger offers heavy hex nuts with diameters larger than most hex nuts. The surface of chamfer may be slightly convex or rounded. Quality nucor heavy hex nuts are 100% made in the u. Alternatively, stainless steel alloys having different hardnesseslike a 316 nut and a 304 boltscrewhave less tendency to gall. Get the rod lengths for a tie rod assembly, or the weight of all the fasteners and hardware you need in no time at all. Fastener identification guide illinois department of. The tops of washer faced nuts shall be flat and the diameter of chamfer circle shall be equal to the maximum width across flats within a tolerance of 15%. Forged components manufactures forged nozzles,forged steel rings, reinforced nozzle manufacturing and other forged vessel components. The grade dh steel heavy hex nut has a plain finish and meets american society of mechanical engineers asme b18. American national standard and unified standard hex nuts and jam nuts and heavy hex nuts and jam nuts. The following tables provide hex nut and jam nut dimensions per asme ansi b18.
Their additional strength comes from increased thread engagement, which is due to their thickness, and greater resistance to dilation expansion or stretching because of their larger width. Steel nuts for stud bolts astm a194 projectmaterials. M485 din 6915 iso 10 metric heavy hex nut plain finish. Eighteen heavy duty hex nuts and six plate washers are required for a. See our nut compatibility chart to determine the compatible heavy hex nut s for a specific grade of bolt. Heavy hex nuts and heavy hex jam nuts table 10 suppliers2 37 ansiasme ansiasme b 18. A sixsided internally threaded fastener that is 23 the thickness of a heavy hex nut. Nut size atf hvy hex inches nut height hvy hex inches 3 458 3 314 5 314 312 538 312. The strap templates shall be held in place by nuts, 6 in from the top of the foundation and 3 in from the bottom of the anchor bolts.
Kulak, 2000, strength of joints that combine bolts. Here, i have listed the heavy hex nut dimensions as per iso and unc. Earnest machine products offers heavy hex nuts that are hot dip galvanized zinc coated and lubricated with a wax. If you need a thinner nut of the same width, choose a heavy hex jam nut. Find your pipe hanger, support, strut, or strut accessories now search by empire industries part name or number. Standards for dimensions and tolerances are issued. For example, square or hex head bolts are measured from under the head to the end of the bolt. View our conversion chart to find out what size heavy hex nut that you need for your job. The jam nut is placed against the work surface and then the heavy hex nut is applied. Steel heavy hex nut, plain finish, grade dh, asme b18. M364 din 6915 iso 10 metric heavy hex nut plain finish m424.
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