Nylon insert lock nuts nylon pushing out or fracturing fastenal. The original nylon locking nut the nylstop nut is designed to stop nut and bolt disengagement during use. Metric hex nut dimensions sizes chart according to iso 4032. Skf lock nuts provide a variety of ways to secure the nut onto a shaft. Clamp loads for grade c lock nuts equal 75% of the bolt proof loads specified for sae j429 grade 8, and astm a354 grade bd bolts. Skf lock nut spanner makes an impossible job simple seven different spanners for fitting km lock nuts size 5 to 11. A nyloc nut, also referred to as a nylon insert lock nut, polymerinsert lock nut, or elastic stop nut, is a kind of locknut. The spanner engages the nut in four positions giving a secure grip. In addition, self locking fasteners also decrease the tendency of the fastener to fatigue by reducing the vibration transferred to the fastener. Place the socket that matches the nylon lock nut onto the 38inch drive ratchet. This range of self locking nuts are manufactured with a polyamide insert and metric iso fine thread. Electrical components catalog nylon cable glands and locknuts catalog 8235 issued 1103 size mm cable range mm bag quantity package quantity dimensions mm gland and cap assembly locknut td tl af h af2 part numbers colors grey black red white m12 3.
View our conversion chart to find out what size heavy hex nut that you need for your job. Electrical components catalog catalog 8235 nylon cable. Dry nylon will act more brittle, have smaller dimensions, be harder and. It does not mention outgassing problems caused by the relatively high vapor pressure of these metals. A nyloc nut, also referred to as a nylon insert 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. Typically inch or imperial sizes of lock nuts are supplied to the strength. 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. This will be the point that the nylon insert contacts the top thread of the fastener.
A nylon ring is attached to the selfclinching body on the screw exit side with an id. A hex nut with a nylon filled collar at its back end. 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. Nylon insert lock nuts din, iso standards ita fasteners.
The common alternatives jam nuts, cotter pins, lock nuts, lock washers and similar devices also prevent the loss of the bolt or nut. The fastener manual was intended primarily for aeronautical applica. Hex nylon insert locknuts ne, grade n5, zinc the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. Nylon lock nut is hexagonal nut used with nylon lock nut is hexagonal nut used with bolts and washers of the same material finish and grade. In a typical installation of a nylon insert lock nut, some amount of nylon displacement is expected see figure 4. Earnest offers ne series nylon insert lock nut in several strength levels. The use of this type of nut eliminates milling of the shaft and the use of a lock washers. The values shown in the chart are to be used as a midrange guideline.
We supply nylon insert nuts in the following materials, stainless steels. Lock nuts with other locking methods can be supplied on request. The screw thread does not cut into the nylon insert, however, the. Skf spanner set tmhn 7 for lock nuts it is essential when mounting self. The internal nylon ring deforms around the threads as the nut is twisted on to the bolt, ensuring a tight, vibration resistant grip on the bolt. Nylon completely fills the cavity and fully engages the threads. The nylon ring creates rotational resistance when displaced by a mating male threaded fastener thus preventing loosening. Double hexagon self locking nut 6667 nonslotted self locking nut 7173 metric flexloc nuts full height 3841 thin height 4245 microsize 4647 full height, flanged 6870 clinch nuts regular 5255 microsize 5657 application information 5859 flexithred swage nuts application information 6061 non locking 6263 self locking 6465 additional. 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. Toggle wings and nylon nail anchors 77 plastic anchors and toggles 78 to 79 locknuts esna light hex nuts 81 to 82 flexloc selflocking nuts 83 prevailingtorque type steel hex and hex flange nuts 84 to 85 anco selflocking nuts 86 locknuts esna light hex nuts 81 to 82 flexloc selflocking nuts 83 to 84. They are also suitable for sealing internal or external pressures, up to 80 psi. 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.
Metric hex lock nuts nylon insert, zinc plated class 8. It is less expensive than a gradec automation lock nut. When a screw or bolt reaches the collar, the threads and nylon form a tight frictional fit, restricting movement between the nut and bolt or screw when subjected to vibration. Benefits vibration resistanthe deformation of the nylon ring holds the fastener in place even t. Din 985 nylon lock nut, nylon insert lock nut made from stainless steel grade a270a480 etc or galvanized steel material. Woodstock industrial supplies nyloc dimensions w3layouts. This captures the bolt or screw, providing a locking feature causing resistance or prevailing torque keeping the nut locked in position and. About 25% stronger than mediumstrength steel locknuts, these nuts are made of high strength, class 10 steel. Each spanner is clearly marked with the correct tightening angle. This nut has a special slot in the collar for locking hex nut with conical spring washer steel zinc plated pkg qty. 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. For example, wrench sizes of fastener used in japanese built cars comply with jis. Nylon insert nuts fastener specifications fastenerdata. Thread the nylon lock nut onto the bolt or threaded stud and turn the nut clockwise with your hand until it no longer turns.
These grade 8 steel locknuts are 25% stronger than our mediumstrength steel nylon insert locknuts. Description part dimensions and size ab black gray thickness wrenching flats in. In 2008 the us standards organization ansi published a new nylon insert lock nut standard and introduced another grade designations for this style of lock nut. It is able to be reused more times than a twoway reversible nut. Shop nylon insert lock nuts at the reasonable price.
Fastenerdata nylon insert nuts fastener specifications. A nyloc nylon insert nut is a torque prevailing nut which uses a plastic nylon insert located towards the top of the nut, reducing its inner diameter, which then deforms over the mating thread. It is a nut with a nylon collar insert that resists turning. The nylon insert comes in various colors and is supplied with a zinc plated finish. End users typically order lock nuts using the more common industry standard strength levels also called the sae strength levels of grade 2, 5 and 8. Purchase the unique quantity you need from fmw fasteners today. Self locking nuts when torquing a self locking nut, the nut should be run down on the threads of the bolt until the nut almost contacts the mating surface. Grade c lock nuts equal 75% of the bolt proof loads specified for sae j429 grade 8, and astm a354 grade bd bolts. Self locking nuts guk series with nylon inserts standard. They are referred to as prevailing torque nuts or stiff nuts.
Barrett march 1990 the manual describes various platings that may be used for corrosion control including cadmium and zinc plating. Type nkm, nke, nktm and nkte cap nuts are designed for use in place of standard and thin height hex nuts in applications where for reasons of safety or appearance, it is desirable to cover exposed bolt ends. Pem selfclinching locknuts provide ideal solutions to prevent mating hardware. Hexagon locking nuts with a nylon locking ring inserted. Din 985 nylon lock nut, nylon insert nut dimension. The amount of nylon that is displaced depends on nylon ring geometry, thread tolerance of the external threads, size of cavity holding the nylon ring, and more. Typically inch or imperial sizes of lock nuts are supplied to the strength levels specified by the ifi 100107 of grades of a, b or c instead of the more common nut grade designations per the society of automotive engineers standard sae j995 for grades 2, 5 and 8. What happens to a cold and dry nylon insert lock nut when installed. The plastic insert is placed at the end of the nut, and its inner diameter id is slightly smaller than the major diameter of the screw. Applications advantages class 8 metric nylon insert lock nuts are to be used with screw of a class 8.
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