Wrench openings for square and hex bolts and screws. There are numerous grades and the heavy pattern is typically used for large diameter and high strength bolts. The package size designates the inner diameter and the number of threads per inch or. Actual drafting was postponed until isotc2 could reach final decisions relating to basic dimensions and characteristics of hex bolts, screws, and nuts. The dimensions for square and hex bolts and screws given in the following tables have been taken from american national standard ansiasme b18. Dimension mm and weight kg per 100 pieces imperial size d f. Can be used with any fastener with a machine screw thread. Nuts 112 h g f finished hex dimensional information finished hex nuts ansiasme b18. Our hex flange nuts are equipped with a wider flange that distributes pressure equally over the components being fastened, assuring a. Hex nut, heavy hex nut, hex flat nut, hex thick nut, t. Standard hex nut, heavy hex nut, hex coupling nut, nylon lock nut, spring nut, dome. Hex nuts also referred to as finished hex nuts are compatible with low carbon steel bolts such as grade 2. Heavy hex nuts 33 stainless hex nuts 34 hex jam nuts machine screw nuts 35 nylon insert locknuts 36 stainless locknuts 37 all metal locknuts 38 assorted nuts 39.
The projections also help if the host surface is uneven, but the nut has to be fixed flat on the surface. Theyre about 20% stronger than highstrength steel nuts and are used in heavy machinery, such as earthmoving equipment for technical drawings and 3d models, click on a part number. Hex nuts are used with bolts and washers of the same diameter, material, and finish. Dimensions of cross recessed flat countersunk head machine screws. Hexagon nut isometric fitting thread01500 hexagon nut oversized thread01560 these hexagon nuts are used among other to hot dip galvanized he xagon bolts with oversized thread and to hot dip galvanized th readed rods with oversized thread. Shakeproof is the original writer of klock nut specifications. Nuts m16 and smaller are chamfered on the top and the bearing surface. Hex weld nuts from ita fasteners are used to weld the nut onto a host material.
At a meeting on september 22, 1976, subcommittee 2 organized the contents of a standard covering six different styles of hex nuts. The heavy hex pattern is typically used for large diameter and high strength bolts. Formulas for nut dimensions nuts appendix ii nut type square hex flat hex flat jam hex and hex slotted hex jam hex thick, and hex thick slotted heavy square heavy hex flat heavy hex flat jam heavy hex and heavy hex slotted heavy hex jam see notes nut size 14 thru 58 34 thru 112 118 thru 112 118 114 thru 112 14 51 6 thru 58 34. Choose from our selection of astm f594 hex nuts in a wide range of styles and sizes. Machine screw nuts, hex, square, hex flange, and coupling nuts. Applications advantages this is the strongest of all 188 stainless hex nuts because of its greater length of thread engagement and greater resistance to dilation. This is the strongest of all 188 stainless steel hex nuts because of its greater length of thread engagement and greater resistance to dilation widening or stretching. A sixsided internally threaded fastener which is both thicker and wider across the flats than a samesized finished hex nut, made of 188 stainless.
May 15, 2014 finished hex nuts, grade a, plain the information below lists the required dimensional, chemical and physical characteristics of the fasteners in this purchase order. Width across flats f width across corners g thickness of hex nuts h basic. Material 188 heavy hex nuts can be made from one of the following austenitic alloys. Nylon insert lock nuts din, iso standards ita fasteners. Purchase the unique quantity you need from fmw fasteners today.
Standard metric hex nuts, types styles 1 and 2 per. Click on the size to shop products, width across flats f. How do i determine the wrench size or hex key size for hex. Thread dimensions and oversizing allowances for hotdipped galvanized nuts. A style 1, heat treated fastener with a metric thread pitch. Click here to download as a pdf size hex finished nut heavy hex nut square nut hex finished jam nut. Also known as heavy hex nuts, these nuts are about 10% wider and taller than standard hex nuts and distribute the load over a large area. Grade 2h nuts are comparable in strength to grade 9 bolts. A sixsided internally threaded fastener that is both wider and thicker than the samesized finished hex nut. The width across flats of nut shall be the distance measured, perpendicular to the axis of nut, overall between two opposite sides of the nut in accordance with the notes on respective dimensional tables. Mar 18, 2016 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. Heavy hex nuts that are 716 and smaller are doubled chamfered. Its primary application lies in fastening the standard nut into place by being threaded onto a bolt and made to run tight against the parent nut.
Hex dome nuts or acorn nuts got their names due to the domeshaped projection on one side of the nut. Hex nuts with a diameter under 14 are called hex machine screw nuts. They come with small three leg projections which are used to weld the nut into the material. Astm a194 grade 2h nuts and heavy hex nut dimensions, grade. Dec 27, 2019 the most commonly used nut, hex nuts are used in any application with a mating male threaded machine bolt or screw. Click on the size to search products, width across flats f. Metric hex nut assortmentsdin 934 188 stainless steel600 nuts in eight sizes.
Sizes with a diameter m24 are minimal property class 50. Standard hex nut, heavy hex nut, hex coupling nut, nylon lock nut, spring nut, dome nut and wing nut standards. Rc 5058 calculated shear psi surface 8 micro150,000 inch max 8 micro150,000 inch max dowel pins standard. Hex nuts in nominal sizes over 112 to 2 inclusive are not covered in the tables of tabulated sizes in ansi b18. Grade2 finished hex nuts are the most versatile and commonly used nut design. Width across flats width across corners thickness for heavy hex. Dimensions of heavy hexagon nuts metrics series width across. Hex jam nuts from ita fasteners are thin nuts which have the same dimensions as the standard hex nut for the head alone. Nuts with specified proof load values coarse thread. The a194 2h material, which in this case is a carbon steel alloy could be further processed by centerless grinding process or by a cold drawing process. See our nut compatibility chart to determine the compatible heavy hex nut s for a specific grade of bolt.
Finished hex nut sae j995 finished hex nuts ifi standard nut finished hex nut sae j995 1 specification finished hex nut 2 meetsexceeds sae j995 ansi b18. Hex jam nut dimensional spec sheeta earnest machine. A sixsided internally threaded fastener whose thickness is. Astm a563 plain nfl020 zinc nfl020z1 f c h width across corners thickness hex nut nominal size width across flats max min weight per c 14 716 0. Dimensions for hex nuts, heavy hex nuts, hex jam nuts and heavy hex nuts. Hex nut dimensions, china hex nut dimensions manufacturer.
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. Finished hex jam nut earnest technical bulletin jam nuts 5812 cleveland atlanta indianapolis england 800. Sizes larger than 716 can be either doubled chamfered or chamfered on top with a washer faced bearing surface. For milledfrom bar nonferrous nuts, the tabulated maximum basic width screws flats dimensions may be exceeded to con form with the commercial tolerances. Heavy hex nuts are washer faced, are slightly larger and thicker than standard hex nuts. All dimensions are given in inches unless otherwise indicated. Jul 02, 2015 heavy hex nut dimensions metric hex bolt dimensions. Larger sizes are either double chamfered or chamfered on top with a washer faced bearing surface. For milled frombar hex nuts, the nominal bar size used shall be the closest commercially available size to the specified basic width across flats of the nut. Astm a563 plain nfl020 zinc nfl020z1 f c h width across corners thickness hex nut nominal size width across flats. Heavy hex nut dimensions atlanta rod nuts bolts studs. The following tables provide hex nut and jam nut dimensions per asme ansi b18. Heavy hex nuts are slightly larger and thicker than standard finished hex nuts. Finished hex nuts, grade a, plain the information below lists the required dimensional, chemical and physical characteristics of the fasteners in this purchase order.
Nuts m20 and larger may be double chamfered, or have a washer face on one side and a chamfered surface on the opposite side. Us hex bolt sizes and thread pitches continued mm 10 20 30 40 50 60 70 80 90 100. Nominal nut size rockwell hardness 14 thru 1 12 rc 24 35 1 58 thru 5 12 rb 95 rc 35 4. Atlanta rods chart displaying heavy hex nut dimensions.
1356 821 834 141 594 1200 1475 1453 586 1383 818 227 1297 1445 303 1329 1039 655 414 137 3 762 326 1034 290 1357 1453