Their products are based on leading wedgelocking technology and are recongnized for their ability to safely secure joints exposed to severe vibration and dynamic loads. Nord lock washer pdf nordlock washers secure bolted joints with tension instead of friction. Lock washers, locknuts, jam nuts, and threadlocking fluid are ways to prevent vibration from loosening a bolted joint. Lock washers are used with the km, kml, 3074, 3015, 3072, 3016, hm, n and an series of lock nuts. Tooth lock washer assortment 2 internal tooth lock washer 52 lock set washer 7 selflocking lock washer 84 serratted belleville washer 8 split lock washer 265 spring wave washer 3 material 561 alloy steel 41.
Spring lock washers myth from truth hill country engineering. A split coil or teeth of the lock washer bite into the head of the fastener and against another flat surface. It is the result of charters respected team of employees, each persons dedication to continuous improvement and an entrepreneurial spirit that thrives within the charter family. Nord lock washers are rigorously tested in all steps of production to verify that the quality requirements are met. Page 1 table of contents page 2 important safety information page 3 when using the washer page 4 control panel page 5 page 6 features page 7 loading and using page 8 the washer page 9 page 10 before you call for service page 11 page 12 consumer.
Whittethiggins w07 bearing and shaft lockwasher, for use with whittethiggins n07, pn07 or pl07, replaces rose w07, skf w 07, standard w07, timken w07. The term washer is often applied to various gasket types such as those used to seal the control valve in taps. When to use flat washers and lock washers engineers edge. An internal tooth lock washer has teeth that extend radially inward to bite into the bearing surface. Nordlock has been focusing on providing the worlds most effective bolt securing system for over 30 years. Split lock helical spring washer size dimension table chart. An internal tab fits into the keyway of a shaft and an outer tab is bent over into one of the slots located on the outside diameter of the nut. The locknut is mounted and torqued up the shaft forcing the lockwasher forward. Internal tooth lock washer, internal locked tooth washer, star washer. It is the result of charters respected team of employees, each persons dedication to continuous improvement and an entrepreneurial spirit that thrives within the charter. Nordlock washers are rigorously tested in all steps of production to verify that the quality requirements are met.
Spring like takeup compensates for loosening caused by slight material wear. Split lock washers, tooth lock washers, helical spring. Nordlock washers are available in special steel alloys for highly corrosive or acid environments as well as for high temperature resistance. Mulitple styles, materials and sizes of steel mechanical lock washers for industrial, commercial and residential applications. If the nut loosens a fraction the edge should come up a touch and bite into the nut on one side and the base material on the otherbut i dont believe that either. Therefore it is not possible to measure offtorque as verification of locking function. Nord lock washers are easy and effective to use while ensuring structural security for applications exposed to vibration and dynamic loads. N and an inch design lock nuts retained with lock washers.
A washer is a thin plate with a hole typically in the middle that is normally used to distribute the load of a threaded fastener, such as a bolt or nut. Other uses are as a spacer, spring belleville washer, wave washer, wear. Tooth lock washer assortment 2 internal tooth lock washer 52 lock set washer 7. Regular, heavy, extra duty and hicollar as given below. Nordlock washers nordlock international ab pdf catalogs. Split lock helical spring washer size dimension table chart ansiasme b18. We continue to closely monitor covid19 and directives from authorities to remain in compliance. Each batch is assigned a control number which ensures full traceability and confirms that the washer is a genuine nord lock article. Note that since the locking function is not based on increased friction, the untightening torque is generally lower than the tightening torque. Hillman 2count 12in standard sae split lock washer. Trailer axle spindle hardware home for truck parts.
Split washer or spring lock washer a ring split at one point and bent into a helical shape. Split lock washerss, search through thousands of split lock washerss in the fch database of surplus, odd lot, slowmoving and hard to find fasteners. Helical split spring lock washers are available in four series. Please refer to your local bossard eshop for the current.
At quality bearings online, many of our clients choose our standard tracked dhl service, with a delivery time of between 1 and 3 working days. Split lock washers, tooth lock washers at instock fasteners the lowprice easytouse source for industrial and construction fasteners. Lock washer definition of lock washer by the free dictionary. Ansi and metric hardware resources tables and references. We do not use cookies for the processing, collection, or storage of personal data under any circumstances. Adapter sleeve shaft lock washers, mounted bearing type pdf adaptersleeveshaftlockwashersmountedbearingtype. International trade commission publication 4277 november 2011 washington, dc 20436 helical spring lock washers from china and taiwan investigation nos. Available in steel, stainless steel, copper and brass. Split lock helical spring washer size dimension table.
Fastenal uses cookies to improve website user experience. Assembly takes place without additional flat washers. Looking for nordlock lock washer, bolt 58, steel, pk4 12w462. Untightening nord lock washers is as simple as tightening. American national standard helical spring lock washers ansiasme b18.
Crush washers are made of a soft metal such as aluminium or copper, and are used to seal fluid or gas connections such as those found in an internal. Internal tooth lock washer prevents the nut from loosening on screw. With the use of ripp lock lock washers which only allow a relative movement between screw head and washer, defined friction values and thus defined. Lock washers are a very simple but effective and reliable method of fastening. Looking for nordlock lock washer, bolt 1 34, steel 5ute9.
Lock washers and lock nuts prevent this from happening. In some applications they are deployed along with a flat washer in order to distribute the load evenly without deforming the assembly that the. Nord lock has been focusing on providing the worlds most effective bolt securing system for over 30 years. Lock washers, when tightened to the required torque beneath an ordinary. Nord lock washer pdf nord lock washers secure bolted joints with tension instead of friction. Specifications for external tooth lock washers asme b18. This causes the washer to exert a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to. In my opinion, its ok to use the flat washer beneath the bolt head for whatever reason you might want to do that, but i feel the lock washer should only contact between the nut and the parent item that is being bolted. An ordinary nut with an ordinary washer, used to fasten a bolt on something that is subject to repetitive vibration say, a wheel axle or engine accessory would eventually vibrate loose. Also known as spring lock washers, these split lock washers provide a positive locking action.
Nordlock lock washer, bolt 58, steel, pk4 12w4621537. Nasa reference publication 1228 1990 fastener design manual. I have seen it done a million times that way but it seems the flat washer defeats the. Standard locknut llc w 09 w00 series bearing lock washer 1.
Lock washers are used with the km, kml, 3074, 3015, 3072, 3016, hm. Covid19 we are open and continuing operations as a designated essential supplier. The control number is printed on the package as well as on every washer pair, enabling full. When the fastener is untightened, sliding will occur between the two washers. Din 25201 nordlock washer dimension fasteners china. 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. Lock washers can be used with a standard flat washer to provide uniform bearing surface. Nordlock washers secure bolted joints with tension instead of friction. The washer is designed to exert a load, partially deform, and lock a fastener in place. Different types of stainless steel internal teeth serrated lock washer steel serrated lock washer din 6797 and 6798. Nordlock washers are easy and effective to use while ensuring structural security for applications exposed to vibration and dynamic loads. Tightening tighten nord lock washers with standard tools according. When using a nut, lock washer and bolt, should you also use a flat washer between the object and the lock washer.
Helical spring lock washers made of materials other than carbon steel are available in the regular series. The system is comprised of a pair of washers with cams on one side and radial teeth on. Form b square ends w040 127b bare steel w041 127b zinc plated w041zy 127b yellow zinc plated w140 127b hot dipped galvanized. The internal tooth lock washer is designed to prevent a nut or bolt head from loosening with. Nordlock washers and nordlocks production facilities. Each batch is assigned a control number which ensures full traceability and confirms that the washer is a genuine nordlock article. Helical spring lock washers separating myth from truth. Wedge locking washer carbon stl zinc flake coated through hardened m10 20 glued pairspack clipsandfasteners inc 50 25 pair 516 8mm nord lock vibration proof lock washers hilitchi 300pcs 304 stainless steel external tooth star lock washers assortment kit included. Washers in comparison property class flat washer riplock contact washer ripped lock washer nordlock 12. Installing the washers the preassembled washers are installed in pairs, cam face to cam face. Since the nordlock group began operations in 1982 we have focused on providing the worlds most effective bolt securing system.
Reusing nord lock nord lock washers can normally be reused. Uboltit is a leading distributor of highquality wedge lock washers from the top manufacturers in the industry, with over 25 years of experience supplying washer solutions for industrial applications. Split lock washer carbon steel regular split lockwasher, asme b18. Wedge locking washer carbon stl zinc flake coated through hardened m10 20 glued pairspack clipsandfasteners inc 50 25 pair 516 8mm nord lock vibration proof lock washers hilitchi 300pcs 304 stainless steel external tooth star lock washers assortment kit. Split lock washers by material from steel split lock washerss to rubber, buna n etc. Rick, im with you, i believe using the 2 together negates the locking effect. Din 127 b spring lock washers, form b equivalent norms. The upper washer is locked to the nut or bolt head by the serrations.
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