The washers have been tested with at least 1,000 hours in the neutral salt spray test, ensuring optimum performance over time, even in the most extreme environments. Clipsandfasteners inc 50 25 pair 516 8mm nord lock. Stud bolts nord lock washers safely lock the nut on stud bolts and eliminate the need for adhesives. It is impossible for our products to loosen unintentionally due. Apr 28, 2017 the 2part lock washer uses ramps cast into the opposing faces to prevent bolts or nuts from coming loose.
When youre loosening a bolt with nordlocks they are hard to turn and release with a snap. M10 delta protekt nordlock bolt securing washerpair. During loosening, the movement must occur between the faces of the cams. With the next generation of nordlock washers, the x. Nordlock sp washers have the same wedgelocking design as original washers, but with an enlarged outer diameter. This stainless steel also has extra low carbon content in order to reduce the risk of.
The present invention concerns a mounting element 2, 10, 50, comprising a means of fastening 4, 12, 53, 102 such as a nut or bolt and an upper washer 14 and a lower washer 16. The term washer is often applied to various gasket types such as those used to seal the control valve in taps. Each batch is assigned a control number which ensures full traceability and confirms that the. Patents assigned to nordlock ab justia patents search. Nord lock wheel nuts nord lock original washers the wheel nuts use nord lock wedgelocking technology to secure wheels by maintaining a high clamp force, even under severe operating conditions. Each batch is assigned a control number which ensures full traceability and confirms that the washer is a genuine nord lock article. Nord lock is a high end product with documented success in many industries. Testing nordlock washers to understand how they work.
The control number is printed on the package as well as on every washer pair, enabling full. Installing the washers the preassembled washers are. The challenge bolt securing has been a problem ever since the bolt was invented. The pair of washers expand more than the corresponding pitch of the thread.
Nord lock steel washer promises the highest corrosion resistance on the market. Nordlock washers secure bolted joints with tension instead of friction. A tightened nord lock wheel nut cannot loosen by itself. Nordlock original washers are recognized around the world for the ability to safely secure bolted joints exposed to severe vibration and dynamic loads. Easy online ordering for the ones who get it done along with 247 customer service, free. In addition, there are radial teeth on the opposite side. Nordlock 1523 wedge locking washer carbon steel zinc flake coated m8 516 pkg of 20 product information technical details. Nordlock washers maintain preload at loosening movements. Learn more about our solutions by selecting your industry below. Since the angle a is larger than the angle b, the pair of washers expand more than the corresponding pitch of the thread.
Canrig has created a nordlock washer kit to allow customers replace existing lock washers in the 175 and 275 ton backup wrench assembly. Product benefits maintains high clamp load and thereby ensures the function of the joint quick and easy to install and remove with standard tools. Nord lock washers are sized for counterbored holes. The delta protekt finished nord lock system consists of a pair of washers with a wedgelocking action, which is a unique method that uses tension instead of friction. The rise of the cams between the nord lock wedge lock washers is greater than the pitch of the bolt. To find the fastener standard you need, select the iso standard iso 4014, iso 4017, iso 4035, iso 4762, bolt size and. Lubricate the thread and the area under the head prior to installation. Nord lock washer pdf nordlock washers secure bolted joints with tension instead of friction. Sp washers are ideal for use on large or slotted holes, painted or sensitive areas and soft materials. The items i received worked fine however they were advertised as nord lock vibration proof lock washers. Our products are based on leading wedgelocking technology and are recognized for their ability to safely secure bolted joints exposed to severe vibration and. Reusing nord lock nord lock washers can normally be reused.
Lock washer pairs is beneficial wherever there is a risk of a threaded connection working loose. Nordlock washers are an effective lock washer which uses tension to prevent bolts from loosening when exposed to vibration. Their action is purely mechanical, based on clamping. Nordlock washers and nordlocks production facilities. Loosening nordlock washers is as easy as tightening them. This stainless steel also has extra low carbon content in order to reduce the risk of chromiumcarbide precipitation. Nordlock is a high end product with documented success in many industries. Nord lock washers are easy and effective to use while ensuring structural security for applications exposed to vibration and dynamic loads. Nordlock washers are sized for counter bored holes. The 2part lock washer uses ramps cast into the opposing faces to prevent bolts or nuts from coming loose. So to put it simply it takes more force to loosen the nut then to tighten it so it does not loosen.
Tightening tighten nord lock washers with standard tools according. Fastenal uses cookies to improve website user experience. The system is comprised of a pair of washers with cams on one side and radial teeth on. The nordlock group nordlock original washers julie pereyra business development, projects. We have decades of experience successfully solving industryspecific challenges around the world and you can rely on us to solve yours. Lock washers, locknuts, jam nuts, and threadlocking fluid are ways to prevent vibration from loosening a bolted joint.
Multifunctional wedgelock washers nordlock xseries. The rise of the cams between the nordlock wedge lock washers is greater than the pitch of the bolt. Therefore it is not possible to measure offtorque as verification of locking function. Nord lock 1523 wedge locking washer carbon steel zinc flake coated m8 516 pkg of 20 product information technical details. Nordlock created the original wedgelocking technology that secures bolted joints, even when exposed to severe vibration and dynamic loads. Our washers are approved by several industry standards and specified by numerous international companies. Even under strong vibrations and dynamic loads, nord. Nordlock washers are a high end products with documented success in many industries. We do not use cookies for the processing, collection, or storage of personal data under any circumstances. Tighten the bolt at a torque according to the nord lock torque guidelines. Nord lock washer pdf nord lock washer pdf nord lock washer pdf download. Nord lock washers are rigorously tested in all steps of production to verify that the quality requirements are met.
Nord lock washers safely secure bolted joints that are subjected to extreme vibration and dynamic loads. The wedge lock washers are installed in pairs, cam face to cam face. For stud bolts nord lock washers lock the nut, and eliminate the need for adhesives. A simple solution for an advanced machine with the worlds appetite for lcd displays. Installing the washers the preassembled washers are installed in pairs, cam face to cam face. The delta protekt finished nordlock system consists of a pair of washers with a wedgelocking action, which is a unique method that uses tension instead of friction.
Nordlock washers safely secure bolted joints that are subjected to extreme vibration and dynamic loads. Nord lock washers are a high end products with documented success in many industries. Nordlock washers protect a threaded connection, even under strong vibrations and high dynamic loads. To find the fastener standard you need, select the iso standard iso 4014, iso 4017, iso 4035, iso 4762, bolt size and screw length. In a twostep process, tuv monitored and successfully approved both nordlock washers and nord lock s production facilities.
Assembly takes place without additional flat washers. The worlds most effective bolt securing system nordlock washers for tapped. It is impossible for our products to loosen unintentionally due to the wedge created underneath the bolt head and nut. It is imperative that the following instructions are closely observed. The result is a selflocking effect of the bolted joint. Nordlock lock washer, bolt 34, 254 smo ss, pk3 k485. M10 delta protekt nordlock bolt securing washerpair fastenal. Nordlock multifunctional xseries washer is the result of our goal to design a system that would address both challenges and eliminate our customers insecurity when choosing a solution. For stud bolts nordlock washers lock the nut, and eliminate the need for adhesives. Nordlock washers are easy to install and to ensure the system functions effectively, do take into. The items supplied were manufactured by a company other than nord lock inc.
Through holes require two pairs of nord lock washers one pair for securing the bolt and one pair for securing the nut. Nordlock washers can be used with standard and high grade bolts. Nordlock washers nordlock international ab pdf catalogs. Nordlock steel washers with electro zinc plated bolt grade 8. Through holes require two pairs of nord lock washers. Nordlock group has the technologies you need to solve your complex bolting challenges, whatever your industry. Nord lock washers can be used with standard and high grade bolts. Spring washer standard nut of 8mm 8mm standard nut and nord lock tightened at 25% yielding point frequency of vibration 15 10 5 100 200 300 400 15 10 5 part number nldf3 ethis product is to be used in pairs. This ensures the load is distributed over a larger area, which is gentler for sensitive surfaces. Washers in comparison property class flat washer rip lock contact washer ripped lock washer nordlock 12. You can visit the company website for more informaiton, and find these guys at amazon and mcmastercarr. Other uses are as a spacer, spring belleville washer, wave washer, wear pad, preload indicating device, locking device, and to reduce vibration rubber washer. The nordlock wedge lock washer is a purely mechanical machine element. The present invention concerns a mounting element 2, 10, 50, comprising a means of fastening 4, 12, 53, 102 such as a nut or bolt and an upper washer 14 and a lower washer 16 constituting a pari of washers, where each washer has one side with cams 18, 20 and one principally flat side 22, 24, the washer sides with cams.
Counterbores the outer diameter of regular nord lock washers is designed for counterbore holes according to din 974. Washers ss dp nordlock washers nordlock stainless steel washers dia. Nordlock washers are rigorously tested in all steps of production to verify that the quality requirements are met. Nord lock washers must not be used on washers that. Nord lock washers are easy to install and to ensure the system functions effectively, do take into consideration the information presented in this instruction guide.
This ensures the load is distributed over a larger area, which is gentler for sensitive. Nord lock washers are high end products with documented success in many industries. Qprinciple of lock washers a pair of washers with wedge cams on one side and radial ribs on the other side each to compose a selflocking. In fact, vibration will tend to make the connection tigher, not looser, making these. Remind yourself the only thing stopping you is yourself. An expansion in thickness of the wedge lock washer as a result of loosening leads to an elongation of the bolt and therefore to an increase in preload. Note that since the locking function is not based on increased friction, the untightening torque is generally lower than the tightening torque. Unlike other lock washers which rely on friction and spring action to. Nord lock created the original wedgelocking technology that secures bolted joints, even when exposed to severe vibration and dynamic loads. Please refer to your local bossard eshop for the current assortment and dimensions.
In a twostep process, tuv monitored and succesfully approved both nordlock washers and nordlocks production facilities. Join our newsletter give yourself the power of responsibility. Nordlock washers are an improved option for secondary. Din 25201 nordlock washer dimension fasteners china. In fact, vibration will tend to make the connection tigher, not looser, making these possibly the best lock washers that youll find. Here you see what happens when a nut attempts to loosen. Nordlock washers have been certified for safety and quality by tuv, a leading international institute in quality and safety certification. Wedge lock washers ring lock washers wedge lock nuts. Nord lock washers positively lock the fastener in a joint which is subjected to extreme vibration.
Unlike other lock washers which rely on friction and spring action to prevent loosening, the innovative design of nord lock washers means they are capable of preventing loosening entirely. When the fastener is untightened, sliding will occur between the two washers. Nord lock wheel nuts are used on heavy onroad vehicles. The nordlock principle the nordlock washer has cams or wedges on one side, with a lead angle greater than a thread angle, and radial teeth or ribs on the other side. Nordlock is a proud holder of iso 9001 and iso 14001 certificates, all products are elv and rohs compliant. Looking for nordlock lock washer, bolt 34, 254 smo ss, pk3 k485. Nord lock washers wedgelocking security for bolted joints subjected to extreme. Spring washer standard nut of 8mm 8mm standard nut and nordlock tightened at 25% yielding point frequency of vibration 15 10 5 100 200 300 400 15 10 5 part number nldf3 ethis product is to be. Nord lock washers are an effective lock washer which uses tension to prevent bolts from loosening when exposed to vibration. A webbased app to find fastener measurements easily for bolted joint design. Untightening nord lock washers is as simple as tightening.
Nordlock washer pairs must be assembled cam face to cam face. Industries where nord lock washers are used nord lock washers are used in industries such as. Nordlock washers are high end products with documented success in many industries. Nordlock washers are available in special steel alloys for highly corrosive or acid environments as well as for high temperature resistance. Nordlock washers provide more than just a safe locking function, using our washers also improves the general performance of a bolted joint. In a twostep process, tuv monitored and succesfully approved both nordlock washers and nordlock s production facilities. Nordlock washers are easy and effective to use while ensuring structural security for applications exposed to vibration and dynamic loads. 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. Apr 20, 2018 testing nord lock washers to understand how they work.
Washers in comparison property class flat washer riplock contact washer ripped lock washer nordlock 12. The worlds most effective bolt securing system nordlock washers for tapped holes. Through holes require two pairs of nordlock washers. 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.
Downloads for nordlock wedgelocking solutions nord. An expansion in thickness of the wedge lock washer as a result of loosening leads. Our products are approved by several industry standards and specified by numerous international companies. The term washer is often applied to various gasket types such as those used to.