I buy them by a box of 100, which is very cost effective. A nyloc nut, also referred to as a nyloninsert lock nut, polymerinsert lock nut, or elastic stop nut, is a kind of locknut with a nylon collar that increases friction on the screw thread the nylon collar insert is placed at the end of the nut, with an inner diameter id slightly smaller than the major diameter of the screw. 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. Nylon insert nuts supplied by fastenright ltd from stock, diameters from m4 to m24 with fine pitch available in some sizes. All pem metal prevailing torque type locknuts achieve their prevailing torque by altering the shape of the nut in some way most commonly by distorting the threads of the nut, which then grips the mating part during tightening. Woodstock industrial supplies nyloc dimensions w3layouts. The usage of these nuts makes sure that the structural damage to the body is minimum despite repeated assembly and disassembly. Din 985 nylon insert lock nut basic dimensions andrews. For dimensions in millimeters, multiply inch values, except thread diameters, by 25. The ne series is the most common style of lock nut used in industry. The nylon filling is machine threaded and acts as a lock to ensure that the fastening is secure. Self locking nuts when torquing a selflocking nut, the nut should be run down on the threads of the bolt until the nut almost contacts the mating surface.
The nylock is to resist loosening from high vibration environment that could loosen a nut. Standard locknuts series n00 for ball bearings and cylindrical and spherical roller bearings. Fastenright supply a wide range of selflocking nuts for various applications. View our conversion chart to find out what size heavy hex nut that you need for your job. The screw standard is based on jis b0205 and jis b0207, and the nut standard is based on jis b1181 at least m8 for hot dipped zinc plating. Center lock nuts are low cost, one piece, allmetal prevailing torque hex lock nuts with chamfered beveled corners. If you would like to prevent our website from using cookies or remove existing ones, you will need to adjust the cookies settings in your browser. All metal self locking nut, standard a one piece fixing, including a depitched selflocking slot found on the turret portion of the nut, which grips the shank thread of the bolt on installation. Nylock nuts, also known as nyloc insert lock nut, is a kind of nut that includes a ring of nylon inside the thread. Nyloc nuts have a nylon ring inserted at the end of the nut. Hexagon lock nuts din 439 2 din 4392 dimensions of nuts dinstockltd,unitc1hortonwood10 telford,shropshiretf17es,unitedkingdom tel. This is a selflocking device to stop the nut undoing under constant vibration or load variations.
Fastenerdata nylon insert nuts fastener specifications. Dimensions are presented according to bearing bore size and are applicable to bearings in the various series e. Dimensional data charts for imperialnyloc,full,halfandcastlenuts. Nyloc nuts are also known as prevailing torque nuts and half nuts are also known as jam nuts. The kmk nut is locked in position with a steel insert, an integral part of the nut thread, which presses against the shaft thread. Elastic stop nuts and prevailing torque nuts are of the particular type where some portion of the nut deforms elastically to provide a locking action. Dimensions shown are in inches, if you wish to convert to mm, please use ouruniversal converter. Metric hex lock nuts nylon insert, zinc plated class 8. Self locking nuts have a thread locking system that resists the screw reverse turning or backing off. Skf lock nut spanner makes an impossible job simple seven different spanners for fitting km lock nuts size 5 to 11. Din 985 nylon insert lock nut basic dimensions dimensions for selected sizes size m5 m6 m8 m10 m12 m16 m20 m24 m30 m36 m min.
A short guide to metric nuts and bolts dd thomson rail. Standard locknut llc an20 n series bearing lock nut 3. It is able to be reused more times than a twoway reversible nut. The klincher locknut was designed for high vibration applications. A locknut, also known as a lock nut, locking nut, selflocking nut, prevailing torque nut, stiff nut or elastic stop nut, is a nut that resists loosening under vibrations and torque. Type s, ss, cls, and clss nuts provide loadbearing threads in thin sheets with high pushout and torqueout resistance. Nuts, bolts and fasteners 228 suitable for connecting description material article no. Self locking bolt and nut set sm lsnum6x12 a4 71981 self locking bolt and nut set sm lsnum6x12 pg 72750 self locking bolt and nut set sm lsnum6x20 a4 71982. When nuts are submitted to a laboratory for testing, samples are tested in a room temperature environment, with special external threads, and installed with hand tools or other slow speed tools. Self locking nuts locknuts stiff nuts fastenright ltd. The two main categories of prevailing torque type nuts include. Refer to nut dimensions below for washer face dt general dimensions of structural nuts as1252 1983 nom.
Hex nut with a metric thread pitch and a nylonfilled collar at its back end. Hex nylon insert lock nuts imperial unc grade 5 zinc plated. Screws for use with pem prevailing torque locknuts should be class 3a4h fit or no smaller than class 2a6g. It is less expensive than a gradec automation lock nut.
When it comes to nuts, i use nylock nuts on practically every bolt. Hexagon locking nuts with a nylon locking ring inserted. The minimum preload of the abovementioned lower nuts are 60% of the bolts yield tensile strength, given the torque constant of 0. We do not use cookies for the processing, collection, or storage of personal data under any circumstances. The screw thread does not cut into the nylon insert, however, the. Lock nuts are also frequently used to secure gears, belt pulleys and other machine components. Stainless nyloc nuts metric din 985, unc, unf, bsw. M4m39 in stock in stainless steel and steel, other materials and threads to order. The amount of torque required to run the nut down friction drag torque should be measured and added to the amount of torque specified for the fastener. The locking action is created by two or three equally spaced rectangular or round indentations centered in the flats sides of the nuts that slightly distort the threads. A nyloc nylon insert nut is a torque prevailing nut which uses a plasticnylon insert located towards the top of the nut, reducing its inner diameter, which then deforms over the mating thread. Nylok torqpatch locknut is a selflocking element comprised of nylon permanently bonded into the threads of a nut.
Sizes with a diameter m24 are minimal property class 50. Thread pitch width across flats width across corners nut height washerface or chamfer dia. Each spanner is clearly marked with the correct tightening angle. It is designed to increase locking force and prevent the nut from coming loose. Because of this nylon, nyloc nuts not suitable for use where the temperature is liable to exceed 120 degrees celsius. The spanner engages the nut in four positions giving a secure grip. This expansion occurs when an anchor bolt is tightened down on the anchor nut. In stock at store today 51 choose your preferred store.
Nuts nylock nuts product catalog search results galco. Din 985 nylon lock nut, nylon insert nut dimension. This captures the bolt or screw, providing a locking feature causing resistance or prevailing torque keeping the nut locked in position and. They are referred to as prevailing torque nuts or stiff nuts.
Nylock nuts from ita fasteners have a nylon filled center which prevents the components from loosening. W b x t nominal size in inches t b width across flats overall thickness hex height nom max min max min min 14 716 0. The operational principle of both is that the interference fit prevents relative lateral movement in the threads that is movement perpendicular to. Purchase the unique quantity you need from fmw fasteners today. This metal to metal contact results in a positive resistance to vibration and. Din 985 dimensions, specifications, standard, weights. Vibration is a factor that can negatively affect the performance of many lock nuts, selflocking nuts, high torque lock nuts, reusable lock nuts, prevailing torque nuts lock nuts and various other fastening devices. Hex nut nylock nut nylock nut hex weld nut hex lock nut hex nut hex nut nylock nut hex serrated flange nut hex coupling nut m6 to m80 m6 to m20 gr. Nut dimensions comparison chart metric unified leyton. Shop screw type metric fine thread bearing lock nuts at misumi. This standard specifies requirements for m1 to m160 hexagon nuts, assigned to product grade a up to size m 16 or product grade b for sizes above m16. Metric hex nut dimensions sizes chart according to iso 4032.
Hex nylon insert lock nuts imperial unc grade 5 zinc plated un0228. Pdf download on the right to view dimensional information on this part in pdf format. Nylon insert lock nuts din, iso standards ita fasteners. Stainless steel nyloc nuts dimensions, stainless steel fasteners dimensions, stainless steel nuts and bolts dimensions dimensions for rivets stainless steel fasteners dimensions stainless steel screw dimensions stainless steel bolts standards stainless steel bolts chart stainless steel bolts size stainless steel ubolts dimensions. Width across flats wrench size and corners, nut height thickness and thread pitch dimensions are given for nut sizes between m1. Misumi offers free cad download, short lead times and competitive pricing. Nylon insert nuts to american specification with all the different types and a dimensional comparison page. Class 8, style 1 nuts of a basic diameter greater than m16 are quenched and tempered. Anchor nut anchor nuts expand so that a portion of the nut s body presses tightly against the wall of the hole in which it located. Fastenal uses cookies to improve website user experience.
Fasteners vacuum connectors metric hoses metric clamps wheel weights. Proof loads and tensile stress metric hexagon bolts. If the material is a grade 5 nut as others have suggested then use correct torque for the material. The outline and dimensions of the instrument mounting nuts shall conform to ms33737. When the nylok torqpatch locknut is engaged, it creates a wedge between the nut and mating part compressing the nylon and creating metal to metal contact opposite the patch. Din 985 nylon lock nut, nylon insert lock nut made from stainless steel grade a270a480 etc or galvanized steel material. Skf spanner set tmhn 7 for lock nuts it is essential when mounting self. Nylock flange nuts license plate fasteners flange bolts 10. Nylock insert lock nut din 982 nylock nut ram kishan. The chart below shows dimensions for locknuts and lockplates used in the mounting of straight bore bearings on shafts. Screw type metric fine thread bearing lock nuts misumi. N120 9858 hot dipped galvanized iso fit n024 98510 zinc plated. Type sp, pem 300 nuts provide strong loadbearing threads in stainless steel sheets as thin as. Raj fasteners offering nylock nut, metal nut in chennai, tamil nadu.
Be it the upper and lower aarms and steering racks to the. For an allmetal element the nuts thread is typically manufactured either slightly outofround or under size, necessitating elastic deformation of the nut as its threaded onto the male thread. Huge nylock nuts inventory same day shipping expert technical support. Prevailing torque a design feature of the lock nut produces friction between threads of mated components thereby increasing the force needed to tighten as well as loosen the nut. Nylon insert lock nut also called nonmetallic insert lock nuts or nyloc nuts manufacturers have historically used the strength designation of grade a, b and c, established by the industrial fastener institutes standard ifi100107, to designate the three different strength levels that these nuts can be manufactured to. Nuts m20 and larger may be double chamfered, or have a washer face on one side and a chamfered surface on the opposite side.
This data sheet and its contents the information belong to the members of the premier farnell group of companies the group or are licensed to it. Most locknuts are available from stock for fast delivery, with nonstandard sizes and specials available to order. Nylon insert locking nuts with metric threads to din 985 and din 982 in steel and stainless steel, this is the full range of metric. Standard locknuts series n00 for ball bearings and cylindrical and spherical. Nuts m16 and smaller are chamfered on the top and the bearing surface. Lock nuts have to be secured to prevent unintentional loosening by.
The nut shall consist of the nut proper and a holding device or cage to maintain the nut in position while inserting and tightening the screw. Din 985 prevailing torque type hexagon thin nuts with nonmetallic insert dimensions, specifications, standard, weights, equivalent and download pdf. Other dimensions and tolerances related to shaft configurations are also shown. Acorn nuts are domed nuts that seal the threads inside of the nut. The nut remains perpendicular to the shaft when the insert is pressed against the shaft thread. The internal nylon ring has no threads cut into it. I keep a supply of all the common sizes, such as 14, 516, 38, 716, 12, 916 and 58inch.
14 210 1580 1197 711 1266 16 1220 1332 1072 598 1616 1550 250 409 758 226 888 54 1158 57 1147 121 1324 695 1494 1189 303 1071 1039 1336